Herbster Reference Sire
Herbster Doctor Black 2116 – Our favorite Doc Ryan walking bull, and sire of Lot 7, 51, and 55.
Herbster Doctor Black 2116 Birth Date: 03/08/22
Herbster Benjamin 5143 7
Reg: +20458570
KM Broken Bow 002 S A V Heritage 6295 G A R Phenom 7953 S A F 598 Bando 5175 Casino Annie K48 S A V Emblynette 7749 B/R Ruby of Tiffany 688 S A V May 7238
Casino Bomber N33
Birth Date: 03/27/25 Reg: 21428512 Tattoo: 5143
T/D Doc Ryan 049
Casino Bomber N33 T/D Ruby of Tiffany 824 S A V Harvestor 0338
WW Ratio Adj. 205 Wt. Actual Data 89 100 739
19820224
S A V Harvestor 0338 T/D Ruby of Tiffany 824 S A V May 2397
T/D Doc Ryan 049
Birth Weight
Herbster Doctor Black 2116
20458570
PVA Blackcap May 4197
PVA Blackcap May 4197
S A V May 2397
17867859
S A V Pioneer 7301 S A V Abigale 5650 LCC New Standard B A Lady 6807 305
S A V Pursuit 0160
BW: 74
ADJ WW: 863
ADJ YW: 1453
Herbster Lady Prideva 531
CED
BW +3.3
WW +88
YW +148
SC +1.8 +65 +309 $M $C
YW Ratio 100 1358 Adj. 365 Wt. Dam’s Prod 8WW105 4YW104
18086263
R B Lady Standard 305-890
+1
MILK $W +22
CW +77
MARB +1.25
RE
CED BW WW YW
$F $B $C SC CW MILK +160 +265 +100 +1.18 +52
+0.59
-1
+3.7
$W +56 +25 +68 +114
$F
$G +75
$B
MARB RE $M +0.79 +0.78 +57
+76
+112
+188
Doctor Black 2116 blends some of the most dominant cow families from Schaff Angus Valley with the predictable growth and carcass merit of Doc Ryan. His prolific Harvestor dam remains an active donor in our program and records 5WW@109, proving her ability to transmit real-world performance. Doctor Black posts progeny ratios of 21IMF@105, confirming that Doc Ryan’s influence consistently delivers cattle that grade without sacrificing performance. He ranks in the top 10% of current sires for WW, SC, CW, and Marb, offering a balanced package of growth, fertility, and carcass quality backed by proven maternal strength.
Lot 7 is one of those bulls you won’t find if all you can read is paper. He stems from the very first “890 x Pursuit” flush we ever made with the sole intent of building superior cows. His dam records 8WW@105 and is one of those “890” daughters who have had a long and productive career at Herbster Angus Farms. She’s still in the herd, and due to calve this spring in her 11th year. This is a true cow-maker pedigree designed for longevity and maternal consistency. The youngest bull in the sale, he offers lasting herd impact for cattlemen who value substance beyond the spreadsheet.
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