Reproductive Disease in the Bull (and BSE) Flashcards
What is the minimum progressive motility of sperm in the bull?
30%
What is the minimum percentage of normal sperm morphology in the bull?
70%
What is a “cork screw” claw?
when lateral claws grow at a faster pace than the medial claws
What are the methods of semen collection in the bull?
- electro-ejaculation
- manual massage
- AV collection
Define a primary morphological abnormality of sperm
a defect that originates in the testis during spermatogenesis
- a production problem
- usually involves head and middle piece
Define a secondary morphological abnormality of sperm
a defect that originates in the epididymis
- a transit defect
Define a major morphological defect of sperm
defect that has been proven to be associated with infertility
Define a minor morphological defect of sperm
defect that is not associated with infertility
Define a compensable morphological defect of sperm
a defect that can be compensated for by additional normal sperm
What is the etiology of penile papilloma?
- Bovine papilloma virus
- hommsexual riding among young bulls
How is penile papilloma transmitted?
enters via wounds
What are the clinical signs of penile papilloma?
- scant hemorrhage after coitus
- hesitance to extend penis or to breed
- usually a single, pedunculated growth
How is penile papilloma treated?
surgical excision
What are the complications associated with penile papilloma?
- urethral injury
- recurrence
What is the etiology of penile hair rings?
- body hair accumulation on penis
- homosexual riding among young bulls