Bull BSE Flashcards
mininum progressively motile sperm to pass
30%
minimum normal morphology to pass
70%
if you defer a bull bse when do you recheck
2weeks to 2 months
what are three broad reason a bull fails BSE
SC less than the minimum for their age group
disease that has a poor prognosis for recovery
failed more than one BSE and not improving
you identify a stricture on examination what is the treatment and prognosis
no effective treatment once adhesions form– maybe Rand A but thats a lot of money. cull
you diagnose a retropreputial abscess. what is the treatment and prognosis
poor prognosis due to stricture formation. can rupture abscess and drain through the preputial lumen not through the skin.
when should a persistent frenulum be gone
by 12 months of age. sx removal
there is a large wart/papilloma on the tip of the penis. what do you do
if it has a broad base it may damage too many nerves trying to surgically remove it. you can wait it out and see if it resolves over time. but may be poor breeding prognosis
you diagnose a spiral penis abnormality during EEJ. what do you want to do
could be iatrogenic. have owner watch the bull and see if he can sucessfully enter the female.
what are the balanoposthitis causes
bovine herpes 1
mollicutes: mycoplasma
what is the toxin we think about in bull bse/ sperm motility and morphology failures
gossypol, cottonseed products
you have a yearling bull that has proximal droplets. what do you do
defer due to age. it is common in pubertal bulls. defer if <18months old
what are common genetic abnormalities seen in sperm morphology
dags, knobbed acrosomes, stump tail, detached heads
vesiculitis. who gets it and what is the prognosis
young-peripubertal and old >9
good prognosis for spontaneous recovery in young
grave prog for old. treatment is unrewarding
a bull is positive to trich what do you do
can be lifelong carriers due to trich living in the crypts. test and cull