Equine Pathology Workbook

Following either type of castration the horse is administered IM for five days post surgery. A tetanus shot or booster will be administered as well as NSAIDs to help with pain & swelling. , hydrocele and bacterial infection of the castration site or the peritoneum. Haemorrhage and peritonitis are more common with closed castration while evisceration, hydrocele and bacterial infection of the castration site are more common with open castration. Complications of castration include evisceration,

Post-surgery most horses experience

of the scrotum, the ventral abdomen and the

medial thighs. It is essential to encourage the horse to move about, or to force

to

aid in the dissipation of the edema.

Balanitis & Balanoposthitis

Balanitis is used to describe swelling of the

. Balanoposthitis is a term used to

describe swelling of the

.

It is most commonly caused by minor trauma or which may subsequently become infected by the bacteria that is normally found on the surface of the prepuce. A viral cause is EHV-3. Irritation or injury of the penile or prepuce mucosa is caused by friction between the mucosa and accumulations of , dirt and dead skin. The friction causes ulceration or laceration of the penile or prepuce mucosa which allows the bacterial normally found on the surface of the prepuce to invade the deeper layers of tissue causing inflammation and swelling of the prepuce. of the penis/prepuce, over-vigorous cleaning of the penis/prepuce, cleaning of the penis/prepuce with irritating chemicals, inability to extend the penis and neoplasia of the penis or prepuce causing urination into the prepuce all predispose for balanoposthitis. The use of artificial vaginas can also predispose for inflammation. Irregular The clinical presentation of balanoposthitis includes heat, pain and swelling of the penis &/or prepuce and potential for slight serous or mucopurulent discharge from the penis or prepuce. Diagnosis can be made through the clinical signs and symptoms and through swab of the discharge for bacterial culture. Treatment includes rest, cold hydrotherapy, massage, washing of the penis or preputal cavity and the application of topical antibiotics & NSAIDs. If the horse is unable to urinate or cannot retract the penis systemic antibiotics should be administered.

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