BT: Bull breeding soundess exam and infertility

Question 1

What vet organization set the guidelines for bull breeding soundness exam in North America?

Answer 1

Society for Theriogenology

Question 2

Components of the bull breeding soundness exam (BSE)

Answer 2

PE
Reproductive evaluation
Semen collection and evaluation
Testing for venereal disease is encouraged

Question 3

Which sperm characteristics aren’t considered abnormalities?

Answer 3

Abaxial attachment of the tail
Diatal cytoplasmic droplet

Question 4

What nutritional product is responsible for poor sperm morphology in a bull?

Answer 4

Gossypol (cottonseed)

Question 5

2 hereditary abnormalities in the penis and prepuce

Answer 5

Persistent frenulum
Phimosis (inability to retract skin covering head of the penis)

Question 6

Penile warts

Answer 6

Bovine firbropapilloma virus
Young bulls mounting each other

Question 7

How are penile warts prevented

Answer 7

Autologous vx or bulls not mounting each other

Question 8

Predisposing factors of vesicular adentitis in bulls

Answer 8

Age
Nutrition (high energy ration, acidosis)
Other infections (pneumonia, liver abscess)

Question 9

Diagnosis of vesicular adentitis in bulls

Answer 9

Acute CS: Enlarged glands, painful on palpation, lameness, abdominal pain
Chronic case: adhesions, abscess fistulation tract draining in the rectum

Question 10

Treatment of vesicular adentitis in bulls

Answer 10

Tulathromycin or tilmicosin
Cull is > 9 years
Intraglandular antimicrobial infection (ceftiofur or penicillin)
Surgical ablation