Answers
1. - crust and scab formation along axillary and cranial Dermatophilosis (der-
ventral abdominal region matophilus congolensis)
- hairs are matted together in a paint-brush formation - penetrate macerated
-Cytology: gram + cocci arranged in railroad tracks skin usually after ectopar-
asites
-lives in soil
-prevention: keep cattle
dry, control ectoparasites
-treatment: penicillin and
topical disinfectants
2. Earliest you can feel: slip: 30-35 days
- Slip: Placentomes:70-75 days
- Placentomes: Fremitus: 120-150 days
- Fremitus
3. - abortion in the second half of gestation, stillborn, brucellosis
and weak calves, retained placentas, reduced milk - best specimen to col-
yield lect are fetal lung/stom-
what is it likely ach and pieces of placenta
for bacterial culture
4. most likely cause of reproductive losses on farm of Pinus ponderosa (pon-
ingestion of what? derosa pine)
- contain a toxin isocu-
pressic acid, which caus-
es vasoconstriction and is-
chemia to the uterus
5. bovine fetus aborted at 6 months mycotic abortion
- thick, leathary placenta, and round, raised plaques - causes ringworm-like
around the eys skin lesions on the shoul-
, Cattle- NAVLE exam UPDATED ACTUAL Questions and CORRECT
Answers
der and around the eyes
what is likely ? of the fetus
-skin scrape: fungal hy-
phae
6. cattle are much more sensitive than horses to intoxi- cyanide
cation with which of the following ?
horses are much more
sensitive than rumi-
nants to intoxication with
ionophores than cattle
7. what is the best choice to confirm salmonellosis in this mesenteric lymph node
animal culture
-
8. gross lesions at necropsy including left heart fail- histophilus somni
ure, myocardial abscesses, and fibrinous thoracic fluid - PCR on synovial fluid
with no evidence of pneumonia
what is the top differential and how do you test for it?
9. south texas near mexican border babesiosis- pear-shaped
- two day history of high fever, anorexia, depression inclusion in RBC
and "redwater:(hemoglobinuria) -Report to state vet
-blood smear: blue specs on RBC
what is likely and what should be done?
10. treatment for chorioptic mange pour on eprinomectin or
moxidectin
11. common cause of enamel hypoplasia in cattle fluorosis ingestion
12.
, Cattle- NAVLE exam UPDATED ACTUAL Questions and CORRECT
Answers
what 3 conditions predispose a cow to retained fetal - dystocia
membranes - short gestation
- male calves
13. yearling - alabama ostertagia ostertagi
- profuse watery diarrhea and weight loss (brown stomach worm)
- rough haircoat and bottle jaw - live in nodules in teh
necrospy: petechia, edema, small umbilicated nod- abomasum and heavy in-
ules in the abomasum festation
- abomasal contents 7
14. - ruminal distention with ingesta and scant stool vagal indigestion
- L-shaped rumen- ventral sac of the rumen enlarged
and palpable to the right of the midline
- left kidney - pushed to the right of the midline by
ruminal distention
15. what plant is ass. with sudden death? Larkspur (delphinium
spp)
16. best treatment for partuirent paresis or milk fever? calcium boroguconate
17. - heat intolerance, skin lesions of the feet and lame- Tall fescue
ness - develope avascular
- signs during late summer in the southeastern US necrosis of the digits
what is the cause?
18. Quercus spp. (Oak) commonly effects what? cattle
19. Infectious bovine rhinotracheitis (IBR) what kind of herpesvirus
organism? - bovine herpes virus 1
- likely fever, hyperemic muzzle (rednose), mucopuru- (BHV-1)
lent oculonasal discharge, and conjunctivitis