University of Wyoming - High Altitude Bull Sale [3/28/26]

University of Wyoming

MARCH 28, 2026 Laramie Research & Extension Center

Welcome Friends and Cattlemen, We are excited to welcome you to the 4th annual University of Wyoming High Altitude Bull Test and Sale and to offer an excellent set of bulls at the field day and sale on Saturday, March 28, 2026. The mission of the bull test is to provide a unique learning experience for our students, provide valuable data and a venue for producers to market their bulls, and provide performance and PAP-tested bulls for cow-calf producers across the region. Twelve undergraduate and 2 graduate students participated in the program during the fall and spring semesters. Students had lectures and gained hands-on experience in bull development, bull selection, breeding soundness exams, pulmonary hypertension, feed efficiency, and carcass ultrasound. Additionally, students developed mar- keting materials, clipped and pictured bulls, recorded data, and performed daily health checks. Bulls were brought to Laramie at the beginning of November and went through an initial screening period. Bulls were PAP-tested after 45 days, and any bulls that had PAP scores too high to excel at this altitude were sent home. The remaining bulls were on test for a 70-day feed efficiency test. A final PAP test was completed, and the data is available in this catalog. Not all bulls being sold are recommended for high-altitude breeding pro- grams. Please see the table referencing PAP scores and elevation to help you decide which PAP score range your operation should consider. The sale will be a live auction at the Laramie Research and Extension Center Hansen teaching arena and will also be available online at dvauction.com. Bulls will be available for pick up immediately after the sale. University of Wyoming will house the bulls until April 10th at no charge, after which time a feed and yardage fee will be applied. A big THANK YOU goes out to the people who worked hard to make this program happen. The UW Beef Unit at the Laramie Research and Extension Center (LREC) provided oversight of day-to-day management, feeding, and health of the bulls. The undergraduate students involved in the class did an outstanding job feeding and man- aging the bulls throughout the test, as well as assisting with data collection and developing marketing materials. We would also like to express our deepest gratitude to our consignors and buyers; this program would not exist without you. We have high hopes for this program moving forward and appreciate your support! Thank you for your interest and for taking the time to evaluate the cattle. We look forward to seeing you at the field day for the educational program and sale! Thank you,

Shelby Rosasco, Ph.D. Assistant Professor, Beef Extension Specialist Hannah Cunningham-Hollinger, Ph.D. Associate Professor, Animal Genetics Cody Gifford, Ph.D. Assistant Professor, Meat Science Ben Hollinger LREC Beef Unit Manager

2025 UW High Altitude Bull Sale

2 THE 4TH ANNUAL UNIV. OF WYOMING HIGH ALTITUDE BULL SALE

SCHEDULE OF EVENTS March 27th: Preview Bulls: 12:00-5:00 p.m. March 28th: Preview Bulls: 9:00-1:00 p.m. Educational Program 10:00 a.m.-11:30 p.m. Feed efficiency and feeding behavior of yearling bulls Dr. Zach McFarlane, Cal Poly San Luis Obispo UW High Altitude Bull Test Update High Altitude Bull Test Undergraduate Students Cattle Market Outlook Dr. Tyler Cozzens, Livestock Marketing Information Center ALL-BREED PERFORMANCE TESTED BULL SALE Saturday | 10 a.m. March 28, 2026 At the UW Laramie Research and Extension Center Cliff and Martha Hansen Teaching Arena 470 Hwy 230, Laramie, WY 82070 4th Annual Bull Test & Sale

Lunch: 12:00-1:00 p.m. Sale: starting at 1:00 pm

SALE INFORMATION

Bull Test Contact Information: Shelby Rosasco (209)753-8227

Transportation and Loading: Bulls will be available to load out at the conclusion of the sale. Any cattle sold in the sale will be fed and cared for until April 10, 2026, at UW-LREC, but at the buyer’s (owner’s) risk. Death or injury after the animal is sold is at the buyer’s risk. Delivery is the responsibility of the buyer. UW will not deliver any cattle. Bidding: If unable to attend the sale we recommend setting up your absentee bidding option prior to sale day. Online bidding will be available through DV Auction. High-speed internet connections are recommended. The auctioneer will settle and render a final decision on any disputes. The University of Wyoming is an equal opportunity/affirmative action institution. If you need a reasonable accommodation to participate in this event, please contact Shelby Rosasco, srosasco@uwyo.edu or (307)766-2329, no later than March 23, 2026. Language access services, such as interpretation or translation of vital information, will be provided free of charge to limited English proficient individuals upon request. 3 MARCH 28, 2026 IN LARAMIE, WY

Ben Hollinger (307)761-2811 Blake Fabrizius (970)556-9115 website: www.uwyo.edu/anisci/outreach/index.html

Auctioneer: Garrett Nunn Supplemental Sheet:

A supplemental sheet will be available sale day with complete and up-to-date information. Announcements from the auction block take precedence over sale book information. Herd Health and Brand Inspection: All cattle will be accompanied by proper health certificates and brand inspection required for transportation. Terms and Conditions: Cattle will sell under the Terms and Conditions outlined on pg 5.

Acknowledgements

We would like to extend our most sincere appreciation to Steve Paisley, Ph.D., Director of UW-SAREC, Dr. Dave Evertson and Dr. Carey Beacom of Alpine Animal Hospital, Payton Voloshin of Bar Y J Photography, the University of Wyoming College of Agriculture, Life Sciences, and Natural Resources, University of Wyoming Ag Experiment Station, University of Wyoming Extension, University of Wyoming Department of Animal Science, and UW-Laramie Research and Extension Center Beef Unit (Students: Luke Zimmerman, Deacon DeNaeyer, Marek Cody) for their time and services invested in the University of Wyoming High Altitude Bull Test and Sale. A special thank you to Dr. Tim Holt, DVM, of Colorado State University, for his expertise with brisket disease and pulmonary arterial pressure (PAP) testing. Finally, a very special thank you to all consignors who entered bulls in the test this year.

The Laramie Research & Extension Center, part of the University of Wyoming - Agricultural Experiment Station, is proud to host the High Altitude Bull Test & Sale at our facility.

For additional information visit: https://www.uwyo.edu/uwexpstn/centers/laramie/index.html

THE 4TH ANNUAL UNIV. OF WYOMING HIGH ALTITUDE BULL SALE

Terms & Conditions 1. Any changes in the sale book will be announced at the field day from the auction block and such announcements shall take precedence. 2. Each animal will be sold to the highest bidder without a reserve bid. 3. The Auctioneer in charge will settle any disputes as to bids, and his decision on such matters shall be final. 4. All purchases need to be settled between seller and buyer. A certificate of registry and transfer will be furnished for the purchaser for each animal sold by the seller, at the seller’s expense 5. BREEDING GUARANTEE: All animals sold are guaranteed by the breeder/consignor to be breeding sound for at least one breeding season. The breeding season must start no more than 90 days after the sale to be considered for the breeding guarantee. Bulls are guaranteed breeders if properly cared for. Any bull that settles at least one-third of the healthy cows he breeds will be considered a breeder. Any animal found not to be a breeder may be returned to the ranch of the seller at the buyer’s expense, and if in good condition and complying with the health requirements of the seller’s state, shall entitle the buyer to a satisfactory adjustment. In the case a bull is claimed to be a non-breeder, the seller shall be entitled to six months following the return of the animal in which to demonstrate that he is a breeder.

6. All cattle are eligible for shipment anywhere in the United States, although some states may require additional testing prior to shipment. 7. TRANSPORTATION: Transportation is the responsibility of the purchaser. University of Wyoming will not deliver any cattle. Bulls will be available to load out at the conclusion of the sale. Any cattle sold in the sale will be fed and cared for until April 10, 2026 at UW-LREC, but at the buyer’s (owner’s) risk. Death or injury after the animal is sold is at the buyer’s risk. 8. LIABILITY: All persons attending the field day and sale do so at their own risk and assume all liability for accidents or injuries which may occur. University of Wyoming and its em- ployees, and any other person connected with the manage- ment of this sale, assume no liability, legal, or otherwise for accidents which may occur. 9. TERMS OF THE SALE: Terms of the sale are cash. Settlement is to be made immediately after the completion of the sale before movement of the bulls from the facility. All checks shall be made payable to the University of Wyoming. 10. The above guarantees and terms of sale shall constitute a contract between the buyer and seller of each lot and shall be equally binding upon both. Neither University of Wyo- ming nor any other person connected with the management of the sale assumes any liability, legal or otherwise.

5 MARCH 28, 2026 IN LARAMIE, WY

SELECTION TOOLS

Expected Progeny Difference (EPD) is the prediction of how future progeny of each animal are expected to perform rela- tive to progeny of other animals in the database. EPDs are expressed in units of the trait, plus or minus. Accuracy values are provided with the EPD and indicate the reliability of that EPD. An accuracy of close to 1.0 indicates higher reliability. This number is impacted by the number of progeny and ancestral records included in the analysis. EPDs should not be compared across breed prior to across-breed adjustments. Genomic-enhanced EPDs incorporate results from available genomic, or DNA, tests to increase reliability and accuracy of EPDs. Genomic tests available are specific to breed association. A. EPDs energy expenses). Components for computing the cow $EN savings difference include lactation energy requirements and energy costs associated with differences in mature cow size.

Calving Ease (CE/CED) - Expressed as a difference in percentage of unassisted births, with a higher value indicating greater calving ease in first-calf heifers. Birth Weight (BW) - Expressed in pounds, is a predictor of a sire’s ability to transmit birth weight to his progeny compared to that of other sires. Weaning Weight (WW) - Expressed in pounds, is a predictor of sire’s ability to transmit weaning growth to his progeny compared to that of other sires. Yearling Weight (YW) - Expressed in pounds, is a predictor of a sire’s ability to transmit yearling growth to his progeny compared to that of other sires. Maternal Milk/Milk (MILK or MM) - Expressed in pounds, is a predictor of a sire’s genetic merit for milk and mothering ability as expressed in his daughters compared to daughters of other sires. It is the part of a calf’s weaning weight attributed to milk and mothering ability. Scrotal Circumference (SC) - Expressed in centimeters, is a predictor of the difference in transmitting ability for scrotal size compared to that of other sires. Stayability (STAY) - Expressed as a percentage, predicts the differences in the ability of an animals’ retained daughters to remain productive in the herd and calve every year through 6 years of age. Docility (DOC) - Percent of offspring achieving a docile (1) score. Marbling (MARB or MB) - Expressed as a fraction of the difference in USDA marbling score of a sire’s progeny compared to progeny of other sires. Ribeye Area (RE or REA) - Expressed in square inches, is a predictor of the difference in ribeye area of a sire’s progeny compared to progeny of other sires. Yield Grade (YG) - Predicts difference in USDA Yield Grade score and expressed in USDA Yield Grade units. Calculated using genetic predictions of CW, REA, and FAT EPDs. B. Breed Specific EPD and/or Index: Angus: Heifer Pregnancy (HP) - is a selection tool to increase the probability or chance of a sire’s daughters becoming pregnant as first-calf heifers during a normal breeding season. A higher EPD is the more favorable direction and the EPD is reported in percentage units. Udder Suspension EPD (UDDR) - expressed in units of udder suspension score, with a higher EPD indicating a sire will produce daughters with tighter udder suspension compared to that of other sires’ daughters. Pulmonary arterial pressure (PAP) - Expressed in millimeters of Mercury (mmHg), with a lower EPD being more favorable, indicating a sire should produce progeny with a lower PAP score. Cow Energy Value ($EN) - expressed in dollar savings per cow per year, assesses differences in cow energy requirements as an expected dollar savings difference in daughters of sires. A larger value is more favorable when comparing two animals (more dollars saved on feed

Weaned Calf Value ($W) - an index, expressed in dollars per head, to predict profitability differences in progeny due to genetics from birth to weaning. The underlying objective being producers will retain 20% of the female progeny as replacements and sell the rest of the cull females and their male counterparts as feeder calves. Traits included are as follows (in no particular order): birth weight, weaning weight, milk, and mature cow weight. Maternal Weaning Calf Value ($M) - An index expressed in dollars per head that predicts profitability differences from conception to weaning with the underlying breeding objective assuming that individuals retain their own replacement females within herd and sell the rest of the cull female and male progeny as feeder calves. Traits included are: CED, CEM, WW, MILK, HP, DOC, MW, Claw, and Angle. Beef Value ($B) - Represents the expected average dollar-per-head difference in the progeny post-weaning performance and carcass value compared to progeny of other sires. The $B value is comprised of two pieces: feedlot ($F) and grid value ($G). Combined Value ($C) - An index, expressed in dollars per head, with the objective that producers will replace 20% of their breeding females per year with replacement heifers retained within their own herd. The remaining cull heifer and steer progeny are then assumed to be sent to the feedlot where the producers retain ownership of those cattle and sell them on a quality-based carcass merit grid. EPDs included are: CED, CEM, WW, YW, Milk, HP, DOC, MW, Angle, Claw, DMI, MARB, CW, REA and Fat. *Interim EPDs: Interim EPDs are calculated on animals during the time period between the weekly American Angus Association National Cattle Evaluations (NCE). An interim value is indicated by an “I” in front of the number. While admittedly low in accuracy, an interim value gives you a snapshot of the animal’s value as a parent, and, thus, it provides a temporary selection-decision tool until the next NCE run in which enough information is available to calculate a true NCE EPD Simmental & Black Hereford: Maternal Weaning Weight (MWW) - Pounds of weaning weight due to milk and growth. All-Purpose Index (API) - Evaluates sires for use on the entire cow herd (bred to both Angus first-calf heifers and mature cows) with the portion of their daughters required to maintain herd size retained and the remaining heifers and steers put on feed and sold grade and yield. Terminal Index (TI) - Evaluates sire for use on mature Angus cows with all offspring put on feed and sold grade and yield. Red Angus: Maintenance Energy (ME) - Expressed in Mcal per Month, is a predictor of the difference in maintenance energy requirement.

6 THE 4TH ANNUAL UNIV. OF WYOMING HIGH ALTITUDE BULL SALE

Heifer Pregnancy (HPG) - Heifer Pregnancy predicts differences in the percent of daughters who are able to conceive and calve at 2 years of age following exposure to breeding. (Percent/High Value) Profitability and Sustainability (ProS) - An index expressed in dollars per head born. ProS is an all-purpose Index that predicts the average economic differences in all segments in the beef supply chain. A combination of the breeding objectives modeled in the HerdBuilder and GridMaster selection indexes. In this index it is assumed that replacement heifers are retained from within the herd and all remaining progeny are fed out to slaughter and sold on a quality- based grid. Traits included are: calving ease, growth, HP, STAY, MW, DMI, and carcass traits. HerdBuilder (HB) - Index expressed in dollars per head born. HB is a maternal selection index that predicts the economic differences of animals for traits that are important from conception through weaning. It is calculated based on the scenario that bulls are mated to heifers and cows, replacement females are retained and all remaining progeny are marketed at weaning. Traits included are: CED, CEM, WW, Milk, MW, HP , and STAY. Charolais: Total Maternal EPD (MTL) - A value to predict the weaning weight performance of calves from an animal’s daughters due to genetics for growth and maternal ability. Total Maternal is calculated by adding ½ the WW EPD to the Maternal Milk EPD. Calving Ease Maternal (MCE) - Expressed as a difference in percentage of unassisted births in first calf daughters. It predicts the average difference in unassisted births with which a sire’s daughters will calve as first-calf heifers when compared to daughters of other sires. Carcass Weight EPD (CW) - Expected progeny differences for Carcass Weight is a predictor of pounds of retail product at a constant age endpoint. Selection for increased values should result in heavier carcasses, while selection for decreased values should result in lighter carcass weights at the same age endpoint. Carcass Weight EPD are expressed in pounds and is a predictor of the differences in hot carcass weight between parents progeny at an age constant endpoint. Terminal Sire Index (TSI) - The AICA Terminal Sire Index (TSI) is a formal method of combing Expected Progeny Differences (EPD) – BW, WW, YW, REA, CW, MARB and FAT – into one single value on which to base selection decisions. The TSI uses estimates of the genetic relationships between traits with an economic default value based on three year rolling USDA data. The TSI represents a dollar index per terminal progeny produced for a bull in the AICA database, ranking them for profit potential. Hereford: Udder suspension (UDDR) - UDDR EPDs are reported on a 9 (very tight) to 1 (very pendulous) scoring scale. Differences in sire EPDs predict the difference expected in the sires’ daughters’ udder characteristics when managed in the same environment. For example, if sire A has a UDDR EPD of 0.4, and sire B has a UDDR EPD

environment, you would expect half a score better udder suspension in daughters of sire A, compared to sire B. Teat Size (TEAT) - TEAT EPDs are reported on a 9 (very small) to 1 (very large, balloon shaped) scoring scale. Differences in sire EPDs predict the difference expected in the sires’ daughters’ udder characteristics when managed in the same environment. For example, if sire A has a teat size EPD of 0.4, and sire B has a teat size EPD of -0.1, the difference in the 86 values is 0.5, or one-half of a score. If daughters of sires A and B are raised and managed in the same environment, you would expect half a score smaller teat size in daughters of sire A, compared to sire B. Baldy Maternal Index ($BMI) - BMI$ is a maternally focused index that has a production system based on 1,000-Hereford x Angus females with a progeny harvest endpoint directed toward Certified Hereford Beef (CHB®). This index is more critical of CE than the Brahman Influence Index (BII$) and also has significant weight on fertility. There is positive weight on WW and a slightly negative weight on YW, which promotes early growth and then a slow down on growth to keep mature size manageable. The emphasis of IMF is greater than the emphasis of REA. This is true because of the price difference of the Choice-Select spread and the fact that there is very little incentive to produce cattle better than a Yield Grade 3. This index is geared to service any commercial program that has British- cross cows. Certifed Hereford Beef Index ($CHB) - This is a terminal sire index that is built on a production system where Hereford bulls sire calves for the CHB market. There is some pressure put on CE and then positive weight on both WW and YW. Of course, we have much more emphasis on fat in this index, as we want the cattle to stay lean. There is also a significant weight on both REA and IMF with more emphasis again on IMF. This index would be used by producers who have a target of producing bulls for a terminal breeding program. It could be used heavily in the Midwest where bulls are used in rotational breeding programs to produce cattle in a retained ownership program or are simply sold to backgrounders. This is the only index that has no emphasis on fertility. Remember that nothing is retained in the herd. Wagyu: Intermuscular Fat (IMF) - An animal’s expression of fat in the muscle, also known as marbling, measured within the ribeye at the 12th and 13th rib interface. Fat Thickness (FAT) - Rib Fat expressed in inches and measured at the 12th and 13th rib interface, is a predictor of the differences in external fat thickness that is traditionally discarded. FB Terminal Index ($FB) - characterizes Wagyu progeny from Fullblood and Purebred mating programs F1 Terminal Index ($F1) - Applies to Wagyu progeny from crossbreeding programs. The AWA EPDs that are used in the calculation of $FB and $F1 are Carcass Weight, Rib Eye Area, Percent IMF, Fat, and postweaning gain (also known as Yearling Weight)

Breed Averages

Breed Angus 1

CE +6

BW +1.2 -1.86

WW YW

MILK

REA MARB

+68 +67

+120 +106

+0.89

+27 +26

+0.71 +0.13 +0.73

+0.78 +0.47 +0.15 +0.18 +0.15

Red Angus 1 Charolais 1 Simmental Hereford

+13

+11.2 +9.90

-1.3

+63.7 +115.5

+1.1

+24.7

+1.30 +79.50 +118.50

+23.20 +0.88

+3.8

+2.5

+56

+90

+1.1

+27

+0.47

1 Non-Parent Averages

Top 20% EPD’s that rank in the top 20% or higher will be highlighted in grey

7 MARCH 28, 2026 IN LARAMIE, WY

TEST OVERVIEW & PAP INFORMATION

The High Altitude Bull Test is a breeder-financed test that strives to evaluate and improve the quality of beef cattle. This year’s test had 97 bulls enrolled from 12 consignors, with 72 bulls making it through the initial screening phase to complete the feed efficiency portion of the test, and 57 are consigned for sale on March 21st. Bulls were evaluated based on risk for development of pulmonary hypertension (brisket disease) associated with pulmonary arterial pressure (PAP), feed efficiency data, growth performance, carcass ultrasound characteristics, and reproductive soundness criteria. How have bulls been handled?

Bulls arrived in November and were managed as a large group in a pasture setting and transitioned onto a grower ration to achieve moderate gain (2-2.5 lb/d) for a 45-day screening period designed to assess each bull’s risk for pulmonary hypertension (brisket disease) and propensity for adequate growth for successful completion of the test. At the conclusion of the 45-day period, an initial PAP test was completed, and bulls with a PAP greater than 60 mmHg were removed from the test. At completion of the screening period, bulls were transitioned to the LREC feedlot, where they were acclimated to an individual intake feed system to collect daily individual feed intake data used to evaluate and generate growth performance and feed efficiency metrics, described in detail in the feed efficiency section in the catalog (page 9). Bulls also underwent a final PAP test to further evaluate risk for pulmonary hypertension, carcass ultrasound evaluation, and a complete breeding soundness exam. PULMONARY ARTERIAL PRESSURE (PAP) INFORMATION PAP Risk Factor Very High Elevation Test Chart PAP test conducted at elevation >7000 ft.

Use at Low Elevation (<4000 feet)

Use at Moderate Elevation (4000-5000 feet)

Use at High Elevation (5500- 7500 feet)

Use at Extreme Elevation (>7500 feet)

PAP Score

34-45 46-49

Low Risk

Moderate Risk Moderate Risk

Moderate Risk

> 50 High Risk • When selecting an animal based on a PAP measurement, other factors besides those listed above should be considered such as genetics or pedigree, PAP EPD, Systolic/Diastolic pressures, breed, and previous illness. • Special consideration should be given to the amount of time the animal was exposed to elevation (>5500 ft.) prior to testing. The predictability and repeatability of the PAP measurement improves with longer exposure to higher elevation (minimum of 4 weeks is required). • This chart is based on animals greater than 10 months of age. Testing older animals (>12 months) results in a measurement with higher predictability and repeatability. • Testing of younger animals (<12 months) may result in a greater variability to the predictive and repeatability measurement. Definitions: High Risk • Repeatable or Repeatability percent - this is a term used to give strength to a given PAP score predicting that if a retest PAP was carried out later in life then the score would be close to or within the same category as the original. For example; a PAP measurement taken below 4000 feet only has a 40% repeatable percent meaning that a repeat test only has a 40% chance of staying within the same risk category as the original test. • Predictive Value - this term is closely related to repeatability percent but specifically says that the original score can accurately predict what that animal will retest in a higher elevation. • Risk - Defined as the likelihood of an animal developing pulmonary hypertension themselves or being at risk for having a genetic predisposition for the disease.

8 THE 4TH ANNUAL UNIV. OF WYOMING HIGH ALTITUDE BULL SALE

WHY FEED EFFICIENCY?

The University of Wyoming High Altitude Bull Test strives to provide data that can be utilized to improve multi-trait selection efforts for cow-calf producers across the region. Combining the uniqueness of LREC elevation (7200 ft), as one of the highest Agriculture Experiment Stations in the United States, with the access to individual feed intake monitoring systems we are able to provide a comprehensive set of data that can be used to evaluate bull growth, feed efficiency, risk for pulmonary hypertension (brisket disease), fertility, and carcass traits. As the beef industry continues to face increased feed costs, improvements in feed efficiency while maintaining or improving gain are of the utmost importance. There are various metrics for evaluating feed efficiency and performance, and the benefits of multiple-trait selection apply to these metrics as they do to selection decisions based on EPDs. To bring this data to the 4th Annual High Altitude Bull Test, the final 70 days of the test consisted of a feed efficiency trial where bulls had unlimited access to a grower ration (40% cracked corn, 33% corn silage, 11% dried distillers grain, 13% ground grass hay, complete vitamin and mineral supplement with monensin) were weighed every 2 weeks, and daily individual intake was recorded. These data were used to generate average daily gain (ADG; lb/day), weight per day of age (WPDA; lb/day of age), dry matter intake (DMI; lb/day), feed conversion ratio (FCR; lb DMI/lb gain), and residual feed intake (RFI; lb/day). Below is a description of how each metric was calculated and an explanation of the application of each measurement: • Average daily gain (ADG; lb/day): calculated by regressing individual weight on day; improved accuracy of metric compared to the standard method (final weight-initial weight/days on test); higher ADG indicates greater growth • Weight per day of age (WPDA; lb/day of age): calculated as final body weight divided by age; provides an unbiased metric which evaluates growth performance adjusted for age; higher values indicate greater growth relative to the age of the animal • Dry matter intake (DMI; lb/day): calculated by regression of daily dry matter intake on day; improved accuracy compared to generating average daily intake (sum of all intake/days on test); daily dry matter was evaluated from feed samples and averaged to convert as fed feed intake to dry matter intake; higher values indicate greater feed intake • Feed conversion ratio (FCR; lb DMI/lb gain): calculated as the ratio of DMI to ADG; indicates pounds of feed required to gain 1 pound; lower values indicates more favorable conversion of feed to pounds • Residual feed intake (RFI; lb/day): calculated as the difference in DMI and expected feed intake (EFI); EFI is calculated by regression of DMI on ADG and metabolic mid weight (MMW); EFI represents the expected feed required to meet the growth and metabolic weight of each individual animal; the difference in actual intake (DMI) and EFI indicate the RFI; negative values indicate animals consumed less feed than expected given their growth (ADG) and metabolic weight (MMW)

9 MARCH 28, 2026 IN LARAMIE, WY

Meet the 2025/2026 High Altitude Bull Test Class Bull Test Advisors: Shelby Rosasco, Ph.D., Beef Extension Specialist Hannah Cunningham-Hollinger, Ph.D., Associate Professor

Cody Gifford, Ph.D., Assistant Professor Ben Hollinger, LREC Beef Unit Manager Students:

Lane Jay Major: Secondary Education with Animal and Vet Science

Deacon DeNaeyer Major: Animal Science

Sarah Liepold Major: Agriculture Business

Erin Smith Major: Animal Science,minor in Equine Science

Morgan Slover Major: Agriculture Business

Rebekah Widmer Major: Animal Science

Morgan Weimer Major: Animal Science

Courtney Beene Major: Agriculture Business

Bailey Ceder Major: Animal Science

Marek William Cody Major: Plant Production and Protection

10 THE 4TH ANNUAL UNIV. OF WYOMING HIGH ALTITUDE BULL SALE

11 MARCH 28, 2026 IN LARAMIE, WY

11 THE 4TH ANNUAL UNIV. OF WYOMING HIGH ALTITUDE BULL SALE

CONSIGNOR INFORMATION

Horse Creek Angus, LLC is owned by Dan and Bobbie Frank of Meriden. Our focus has always been on maternal function and productivity as we built this herd from the ground up over the past 18 years. We manage our herd the same as any commercial herd by minimizing feed costs and relying on graz- ing as much as possible. Our A.I. program focuses on some of the few sires that can combine in their offspring the ability to PAP well at high altitudes, emphasize foundational maternal traits, put down heavy weaning weights while keeping mature cow size under control.. We do not compromise on the female to chase terminal trait numbers. We do not creep feed calves. The UW High Altitude Bull Test has provided us the next step in selection pressure through the opportunity to find the bulls that can go out and work at high altitudes and sire your next high value calf crop. Their daughters will be excel- lent replacement females that make money in the long run. Fabrizius Land & Cattle is family owned and operated by Brian and Blake Fabrizius of Carr, CO. Origi- nally a commercial cow-calf operation that has now started to incorporate registered Simmental and SimAngus genetics as a seedstock producer. They focus on generating herd sires that excel phenotyp- ically but don’t disappoint on paper, as well as replacements that are functional and practical for our part of the country. TCL Red Angus is located 25 miles northwest of Cheyenne, Wyoming, on Horse Creek Road. Found- ed in 2012 by TC and Kim Berry, the ranch carefully developed a registered herd from select heifers purchased from top breeders. They also maintain a commercial cow herd that shares the same sires, allowing them to evaluate performance from birth to weaning and through finishing. TCL Red Angus focuses on producing rugged, range-ready bulls that thrive in Wyoming’s altitude, climate, and terrain, without sacrificing the strong maternal traits the breed is known for. They offer annual private treaty and consignment sales and take pride in raising cattle that perform in real-world conditions while adding value to commercial programs. Rafter Running Two Cattle is a family-run registered Angus operation rooted in creating a legacy for future generations. Our program focuses on producing high altitude cattle that are pleasing to look at and easy to be around. Cattle are summered at 9,000 feet. During calving cattle are handled in a low- stress environment to ensure that docility remains high. The Pearson family strives to raise bulls and replacement females that are dependable, easy to manage, and provide functional longevity. Cranor Charolais is a family-owned, multi-generational cow-calf operation based in Gunnison, Col- orado. After graduating from the University of Wyoming in 2017, Hannah Cranor-Kersting returned home to expand the ranch into a registered Charolais program. Our cattle are raised at elevations above 8,000 feet, where only functional, durable livestock thrive. With nearly a century of ranching experience, we are committed to producing performance-driven cattle with strong genetics, structural soundness, and the resilience to succeed in real-world conditions. Our goal is to provide practical, high-quality Charolais bulls and replacement heifers that add value to commercial programs while remaining dependable, efficient, and easy to manage. The Wyoming Hereford Association- later named and known today as the Wyoming Hereford Ranch (WHR)- is the oldest, continuous registered livestock operation in the United States. The first calf bred and registered by Wyoming Hereford Association arrived Jan. 2, 1883. She was Lady Clara 2D, No. 25638 in the then 18 month old American Hereford Cattle Breeders Association registry. Swan decided to establish a large registered Hereford herd, which he did in 1882 under the name of Wyoming Hereford Cattle and Land Association. Headquarters were set up on Crow Creek, east of Cheyenne, and George Morgan was appointed general manager. Morgan shortly was sent to England to buy foundation stock for the new herd. In 1883, by ship and rail, 146 head from eight of the leading English herds arrived, and the legacy of Wyoming Hereford Ranch was born.

Horse Creek Angus, LLC Dan and Bobbie Frank 5396 CR 236 Meriden, WY 82081 307-421-4022 ● 307-630-6695 horsecreekangus@gmail.com

Fabrizius Land & Cattle Brian and Blake Fabrizius 12620 CR 108 Carr, CO 80612 970-556-9115 (Blake) bwfabrizius@gmail.com

TCL Red Angus TC and Kim Berry 918 County Road 222 Cheyenne, WY 82009 307-634-6503 tclreds@gmail.com

Cranor Charolais Hannah Cranor-Kersting 3600 County Road 10 Gunnison, CO 81230 970-275-4026 cranorcharolais@gmail.com Rafter Running Two Cattle Carson and Holly Pearson 22501 CR 88 Ault, CO 80610 435-590-3897 Pearson.carson@gmail.com

Wyoming Hereford Ranch Michael Genho 1610 Hereford Ranch Rd. Cheyenne, WY 82007 307-631-0568 mgenho@gmail.com

12 THE 4TH ANNUAL UNIV. OF WYOMING HIGH ALTITUDE BULL SALE

CONSIGNOR INFORMATION

Hollingsworth Angus is owned and operated by T.J. and Lindsey Hollingsworth and is located north- west of Cheyenne, Wyoming. We run both registered and commercial Angus cattle at approximately 6,700 feet in elevation. We established our registered herd roughly 15 years ago and have consistent- ly used the bulls we raise on our own commercial cows, while also selling a select number of bulls through private treaty. Our commercial herd begins calving in May, with calves sold straight off the cow in early November. In 2025, our commercial steer calves—sired by siblings to these registered bulls that were selected for the UW High Altitude Bull Test were raised entirely on pasture, and aver- aged 594 pounds at shipping. These commercial calves achieved an estimated average daily gain of approximately 3 pounds per day without any supplemental feed or implants. We remain committed to selecting bulls based on real-world performance and functionality rather than “on paper” num- bers alone. This approach continues to produce productive, efficient commercial cattle that buyers return for year after year. The McGuire family acquired the Oxford Ranch in 1992. Management of the ranch passed to the youngest daughter, Kelly in 2014. In 2016, freshly graduated from the University of Wyoming with a degree in Animal Science, Kelly and the family worked to rehabilitate the working facilities, historic barn, and ranch house. Now a showcase of West luxury, the ranch offers long views, comfortable sur- roundings, and a rich history detailed in a book available on Amazon, Meanwhile, Back at the Ranch. Kelly began with 150 head of Angus cows and two full blood Wagyu bulls. Slowly, she built up her own herd from heifers she selected. Eight years later, she has built a herd of 57 mother cows, 40 of which have Wagyu bloodlines. Kelly’s goal is to continue breeding stock that thrives in this rugged environ- ment while producing a phenomenal eating experience on your dinner plate. Nate and Kalyn Walsh, from Meeker Colorado, are working to build their purebred Angus cattle opera- tion alongside their growing family. The core of their operation has Angus genetics tracing back to the 1990’s, carrying the legacy of Bart and Mary Strang, Strang Black Angus, forward. Consistent maternal traits, with an emphasis on udder constitution, calving ease, and longevity remain key focus areas for our herd. Bulls are elevation tested with proven performance at higher altitudes. We are humbled to carry on this legacy to create functional cattle that will perform for generations to come. Azure Valley Black Herefords raises well-socialized Hereford breeding stock focused on structural soundness, longevity, and gentle disposition. A member of the American Hereford Association, the farm maintains detailed pedigrees and follows established herd health protocols with routine testing and veterinary care. Cattle graze rotational pastures for optimal forage diversity, and calves are calmly handled from birth. With sustainable land practices and proactive management, the herd is known for consistent, durable conformation and strong maternal traits. Ben and Hannah Hollinger are located in Laramie, WY where they are building their purebred Hereford operation with their 3 kids from the base herd inherited from Hannah’s grandparents Bart and Mary Strang. Strang Herefords, out of Meeker, Colorado, has built a legacy of elevation tested, hardy, and high performing Hereford genetics for over 60 years. We are honored to carry on those genetics and continue to improve efficiency and offer balanced bulls strong in both maternal and terminal traits. Josh and Cynda Nicklas, along with their children Berklee and Zane, run their Registered Angus cattle operation in Meeker, Colorado. Cattle are turned out in the rugged Piceance Creek Basin for grazing, requiring cattle to travel long distances for forage and water at an elevation up to 8500 feet. We have focused on producing efficient cattle that are able to thrive in high elevations, without overlooking the characteristics required to produce a quality end product.

Hollingsworth Angus TJ and Lindsey Hollingsworth 1875 CR 224 Cheyenne, WY 82009 307-421-4548 hollingsworthangus@gmail.com

Oxford Ranch Kelly McGuire

22 Oxford Ranch Rd Laramie, WY 82070 307-760-2599 Oxfordranchwyo@gmail.com

Nate and Kalyn Walsh 710 Strawberry Patch Rd Meeker, CO 81641 970-270-3360 walshnate74@gmail.com

Azure Valley Black Herefords Boyd Myer 6204 Enfield Dr Cheyenne, WY 82007 970-396-2249 Boyd.meyer44@gmail.com Ben and Hannah Hollinger 343 Hwy 230 Laramie, WY 82070 307-761-2811 (Ben) 307-761-4182 (Hannah) Hollingers2018@gmail.com Josh and Cynda Nicklas P.O. Box 2557 Meeker, CO 81641 970-590-0219 (Josh) cyndanorell@yahoo.com

13 MARCH 28, 2026 IN LARAMIE, WY

Reference Sires

Angus Sires

Sitz Resilient 10208

S Right Time 7861

Schiefelbein Attractive 4565

Sitz Accomplishment 720F

Hereford Sire

Simmental Sire

H WR SUSTAINABLE 5511 ET

CCR 707 Cowboy 6005B

14 THE 4TH ANNUAL UNIV. OF WYOMING HIGH ALTITUDE BULL SALE

Yearling Bulls

15 MARCH 28, 2026 IN LARAMIE, WY

1 AAA 21480411 DOB: 2/17/2025 FRANK Wrangler 535

Angus

-7

$EN

Act. BW 50 Adj. WW 707 Mar. 2026 1105 PAP 40 ADG 4.62

U-2 Coalition 206C

+76

S Wrangler 830

S Erica 6196 Sitz Resilient 10208

+63

+186

FRANK Rita 352

FRANK Rita 527

+85

CED BW WW YW

SC MILK UDDR

HP PAP MARB RE

+17 -2.7 +58 +100 +0.34 +25 +0.32 +11.8 -1.85 +0.11 +0.82 0.36 0.53 0.45 0.37 0.38 0.31 0.31 0.21 0.28 0.33 0.31

Consigned by: Horse Creek Angus

FRANK Wrangler 535 Sells as Lot 1.

2 AAA 21481535 DOB: 3/13/2025 FRANK Resilient 584

Angus

$EN

Act. BW 86 Adj. WW 688 Mar. 2026 1065 PAP 41 ADG 3.68

Sitz Stellar 726D

+113

Sitz Resilient 10208

Sitz Miss Burgess 1856 Bruin Torque 5261

+79

+225

FRANK Lady 841

H L Lady 4BZS1 6V7

+86

CED BW WW YW

SC MILK UDDR

HP PAP MARB RE

+7 -0.5 +61 +103 +0.77 +33 +0.48 +15.4 -0.66 +0.5 +0.51 0.35 0.54 0.46 0.38 0.39 0.35 0.35 0.24 0.3 0.36 0.35

Consigned by: Horse Creek Angus

FRANK Resilient 584 Sells as Lot 2.

3 AAA 21480409 DOB: 3/12/2025 FRANK Armstrong 518

Angus

-26

$EN

Act. BW 80 Adj. WW 744 Mar. 2026 1150 PAP 36 ADG 3.88

S Architect 9501

+99

S Armstrong

S Queen Essa 7149 R/M Absolute 7A17

+100 +339

R/M Sarah 0N18

MVR Sarah E761

+185

CED BW WW YW

SC MILK UDDR

HP PAP MARB RE

+2 +1.9 +85 +139 +1.93 +36 +0.8 +14.3 -1.43 +0.94 +0.84 0.34 0.54 0.45 0.37 0.37 0.3 0.33 0.20 0.26 0.33 0.32

Consigned by: Horse Creek Angus

FRANK Armstrong 518 Sells as Lot 3.

16 THE 4TH ANNUAL UNIV. OF WYOMING HIGH ALTITUDE BULL SALE

4 AAA 21479334 DOB: 4/3/2025 FRANK Safe Deposit 509

5 AAA 21481528 DOB: 3/6/2025 FRANK Resilient 513

Angus

-10

$EN

Act. BW 75 Adj. WW 738 Mar. 2026 962 PAP 44 ADG 4.29

Act. BW 72 Adj. WW 708 Mar. 2026 1085 PAP 41 ADG 4.12

Basin Safe Deposit 9324

Sitz Stellar 726D

+73

+96

FRANK Safe Deposit 362

Sitz Resilient 10208

FRANK Rita 627 Square B True North 8052

Sitz Miss Burgess 1856 Ox Bow Ozzie 3233

+78

+59

+235

+265

FRANK Duchess 309

FRANK Blackcap 113

FRANK Duchess 195

44 Blackcap 3117

+125

+130

CED BW WW YW HP PAP MARB RE +11 -1.5 +67 +111 +1.2 +29 +0.37 +7.3 -0.32 +0.7 +0.33 0.31 0.49 0.41 0.31 0.3 0.25 0.26 0.13 0.2 0.29 0.27 SC MILK UDDR

CED BW WW YW

SC MILK UDDR

HP PAP MARB RE

+7 +0.71 +17.7 -2.99 +1.15 -0.01 0.35 0.54 0.46 0.38 0.39 0.34 0.35 0.23 0.32 0.36 0.35 -0.2 +55 +98 +0.31 +27

Consigned by: Horse Creek Angus

6 AAA 21480410 DOB: 2/24/2025 FRANK Architect 525

Angus

-9

$EN

Act. BW 75 Adj. WW 739 Mar. 2026 1185 PAP 42 ADG 4.69

SydGen Blueprint

+97

S Architect 9501

S Blossom 7514 Ox Bow Ozzie 3233

+85

+260

FRANK Duchess 325

FRANK Duchess 715

+126

CED BW WW YW

SC MILK UDDR

HP PAP MARB RE

-2 +3.3 +83 +136 +1.27 +26 +0.83 +12.3 -1.25 +0.27 +0.52 0.36 0.53 0.45 0.37 0.37 0.32 0.32 0.21 0.28 0.33 0.31

Consigned by: Horse Creek Angus

FRANK Architect 525 Sells as Lot 6.

7 AAA 21479332 DOB: 3/10/2025 FRANK Right Time 557

Angus

-11

$EN

Act. BW 90 Adj. WW 707 Mar. 2026 1105 PAP 51 ADG 3.93

Sitz Right Time 8034

+103

S Right Time 7861

S Queen Essa 367 S A V Resource 1441

+72

+274

FRANK Erica 957

FRANK Erica 578

+132

CED BW WW YW

SC MILK UDDR

HP PAP MARB RE

+6 +0.71 +13.3 -1.84 +0.05 +0.54 0.33 0.53 0.45 0.37 0.37 0.31 0.32 0.20 0.27 0.32 0.31 +1.7 +69 +114 +1.4 +27

Consigned by: Horse Creek Angus

FRANK Right Time 557 Sells as Lot 7.

MARCH 28, 2026 IN LARAMIE, WY

8 AAA 21480414 DOB: 3/8/2025 FRANK Architect 568

Angus

-6

$EN

Act. BW 76 Adj. WW 709 Mar. 2026 980 PAP 38 ADG 3.81

SydGen Blueprint

+96

S Architect 9501

S Blossom 7514 B3R Electorate A229

+77

+274

FRANK Erica 068

FRANK Erica 678

+137

CED BW WW YW HP PAP MARB RE +8 -0.2 +73 +121 +0.77 +23 +0.81 +15.9 -0.75 +0.62 +0.91 0.35 0.54 0.46 0.38 0.39 0.34 0.34 0.21 0.29 0.34 0.32 SC MILK UDDR

Consigned by: Horse Creek Angus

FRANK Architect 568 Sells as Lot 8.

9 AAA 21479333 DOB: 3/11/2025 FRANK Right Time 569

10 AAA 21481527 DOB: 3/3/2025 FRANK Resilient 573

Angus

$EN

-+6

$EN

Act. BW 88 Adj. WW 703 Mar. 2026 1140 PAP 50 ADG 4.47

Act. BW 73 Adj. WW 647 Mar. 2026 1080 PAP 50 ADG 4.46

Sitz Right Time 8034

Sitz Stellar 726D

+97

+78

S Right Time 7861

Sitz Resilient 10208

S Queen Essa 367 FRANK Dash 671

Sitz Miss Burgess 1856 Mohnen Substantial 272

+56

+69

+254

+225

FRANK Blackbird 869

FRANK Pride 173

FRANK Blackbird 691

+121

FRANK Pride 773

+113

CED BW WW YW

SC MILK UDDR

HP PAP MARB RE

CED BW WW YW

SC MILK UDDR

HP PAP MARB RE

+4 +2.1 +64 +102 +1.2 +0.62 +11.3 -0.48 +0.54 +0.24 0.33 0.53 0.46 0.37 0.38 0.31 0.33 0.18 0.26 0.32 0.31 +17

+9 -0.8 +65 +119 +0.57 +26 +0.77 +12.6 -1.13 +0.37 +0.36 0.34 0.52 0.45 0.37 0.37 0.33 0.34 0.22 0.3 0.35 0.34

Consigned by: Horse Creek Angus

12 AAA 21481530 DOB: 3/1/2025 FRANK Resilient 595

11 AAA 21479336 DOB: 3/26/2025 FRANK Safe Deposit 586

Angus

-+18

$EN

-+3

$EN

Act. BW 76 Adj. WW 755 Mar. 2026 1095 PAP 38 ADG 3.07

Act. BW 73 Adj. WW 709 Mar. 2026 932 PAP 44 ADG 3.46

Sitz Stellar 726D

Basin Safe Deposit 9324

+71

+83

Sitz Resilient 10208

FRANK Safe Deposit 362

Sitz Miss Burgess 1856 FRANK Medicine Man 890

FRANK Rita 627 S Right Time 7861

+77

+75

+276

+252

FRANK Duchess 195

FRANK Rita 386

FRANK Duchess 915

FRANK Rita 862

+158

+130

CED BW WW YW

SC MILK UDDR

HP PAP MARB RE

CED BW WW YW

SC MILK UDDR

HP PAP MARB RE

+7 -1 +69 +123 +0.63 +30 +0.52 +14.7 -2.02 +1.08 +0.34 0.34 0.53 0.45 0.37 0.37 0.33 0.34 0.22 0.3 0.35 0.34

+1 +1.3 +71 +109 +0.83 +23 +0.69 +9 -0.46 +0.72 +0.48 0.35 0.54 0.45 0.36 0.36 0.29 0.30 0.17 0.26 0.34 0.32

Consigned by: Horse Creek Angus

18 THE 4TH ANNUAL UNIV. OF WYOMING HIGH ALTITUDE BULL SALE

13 AAA 21335529 DOB: 2/28/2025 RR2 Rawhide M02

Angus

-+24

$EN

Act. BW

Poss Rawhide

+78

Rafter 1 Rawhide 18J

Adj. WW

RCAR Blacklass 921 Deer Valley All In

+67

+266

Mar. 2026 1020 PAP 39 ADG 3.98

HEP All Focus 502C

HEP Miss Focus 327

+145

CED BW WW YW

SC MILK UDDR

HP PAP MARB RE

+7 +0.48 +16.9 -1.73 +0.73 +0.7 0.3 0.51 0.42 0.33 0.34 0.28 0.27 0.16 0.23 0.32 0.3 +1.9 +80 +130 +0.82 +16

Consigned by: Rafter Running Two Cattle

RR2 Rawhide M02 Sells as Lot 13.

14 AAA 21366646 DOB: 1/27/2025

RR2 Accomplishment M07

Angus

-+10

$EN

Act. BW

Poss Achievement

+85

Sitz Accomplishment 720F

Adj. WW

Sitz Barbaramere Nell 166D Baldridge Colonel C251

+54

+238

Mar. 2026 1270 PAP 57

E L K Susue 6381-807F

MFP Susue 6610 - 6381

+118

CED BW WW YW

SC MILK UDDR

HP PAP MARB RE

ADG 5.11

+9 -0.1 +62 +116 +1.06 +20 +0.83 +12.5 +0.09 +0.73 +0.4 0.36 0.54 0.46 0.39 0.4 0.35 0.35 0.24 0.31 0.37 0.36

Consigned by: Rafter Running Two Cattle

RR2 Accomplishment M07 Sells as Lot 14.

15 AAA 21366622 DOB: 2/4/2025 RR2 Keystone M76

Angus

-+29

$EN

Act. BW

EZAR Step Up 9178

+89

Basin Keystone 2021

Adj. WW

Basin Joy 9140 Musgrave 316 Stunner

+104 +338

Mar. 2026 1230 PAP 43

E L K Blackcap 7127-K76

SCC Blackcap 6224-7127

+192

CED BW WW YW

SC MILK UDDR

HP PAP MARB RE

ADG 5.7

0 +2.1 +87 +153 +1.59 +41 +0.55 +12.5 -1.52 +0.93 +1.06 0.36 0.52 0.44 0.37 0.38 0.27 0.28 0.17 0.27 0.34 0.32

Consigned by: Rafter Running Two Cattle

RR2 Keystone M76 Sells as Lot 15.

19 MARCH 28, 2026 IN LARAMIE, WY

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