NAVLE Prep Exam Guide: Study Smarter, Pass
Confidently
1. What nerve(s) need to be 4. Two bucket-fed veal
blocked in order to dehorn calves are de- pressed
cattle? and stunted and have
sticky feces coating
2. What nerve(s) need to be
their hindquarters. Flu-
blocked in order to dehorn
goats?
3. Several rabbits in a commercial
meat operation have developed
genital scabs, perineal ulcerations
a crusty ex- udate around the
nose and eyes. Mi-
crohemaglutination tests are
positive for treponematosis.
Which one of the following steps
is most effective to treat this
problem?
A - Amprolium-medicated feed
for whole herd, 2 weeks; Increase
ventila- tion
B - Clindamycin PO for exposed
rabbits, 8 days; Cull affected
animals
C - Amipcillin PO for affected
rabbits, 10-14 days
D - Isolate affected animals, Lin-
comycin in water 2-3 weeks
E - Penicillin IM for all rabbits, 5-7
days
1/
89
, NAVLE Prep Exam Guide: Study Smarter, Pass
Confidently
Cornual
cornual nerve and infratrochlear nerve
Penicillin IM for all rabbits, 5-7 days
B - Remove fermented rumen contents, flush
with saline
id-splashing sounds are audible during This is the clinical picture of a ruminal
drinker
auscultation over the left flank calf with chronic indigestion from milk
when a calf is drinking. deposited directly into the rumen.
2/
89
, NAVLE Prep Exam Guide: Study Smarter, Pass
Confidently
Passage of a stomach tube Treat by removing the fermented material
obtains a rancid-smelling liquid and flushing the rumen with saline. Attempt to
with a pH of 5.2 [N=5.9-6.2] induce gastric/reticular groove closure during
feeding by inducing vigorous sucking
Which one of the following choices
activity with a finger before feeding milk. If
is the most appropriate
calves relapse, consider weaning.
treatment?
The problem occurs due to failure of the
A - Cull affected calves
gastric groove reflex, which normally shunts
B - Remove fermented rumen con-
milk directly into the abomasum, (bypassing
tents, flush with saline
the rumen). Most often seen in bucket fed
C - Wean affected calves; Shift
calves who gulp their milk.
to bot- tle-feeding for well calves
D - Vitamin E/Selenium injections,
plus dietary supplements
E - Inoculate rumen fluid from a
healthy cow into calf by stomach
tube
5. Abortions due to brucellosis tend to oc- D - Last half of pregnancy
cur at what stage of pregnancy?
Typically, Brucellosis causes abortion in the
LAST HALF of pregnancy, for the 5th
month onwards. Last trimester is also a
good answer, though not entirely correct.
You might remember "Bruce is always
late".
Expect STILLBORN calves. Cows only abort
ONCE. Brucellosis is REPORTABLE.
3/
89
, NAVLE Prep Exam Guide: Study Smarter, Pass
Confidently
The vaccines used are the Brucella abortus
strain 19 vaccine or the RB51 vaccine,
given to heifer calves 4-12 months old,
along with a USDA tattoo
4/
89
Confidently
1. What nerve(s) need to be 4. Two bucket-fed veal
blocked in order to dehorn calves are de- pressed
cattle? and stunted and have
sticky feces coating
2. What nerve(s) need to be
their hindquarters. Flu-
blocked in order to dehorn
goats?
3. Several rabbits in a commercial
meat operation have developed
genital scabs, perineal ulcerations
a crusty ex- udate around the
nose and eyes. Mi-
crohemaglutination tests are
positive for treponematosis.
Which one of the following steps
is most effective to treat this
problem?
A - Amprolium-medicated feed
for whole herd, 2 weeks; Increase
ventila- tion
B - Clindamycin PO for exposed
rabbits, 8 days; Cull affected
animals
C - Amipcillin PO for affected
rabbits, 10-14 days
D - Isolate affected animals, Lin-
comycin in water 2-3 weeks
E - Penicillin IM for all rabbits, 5-7
days
1/
89
, NAVLE Prep Exam Guide: Study Smarter, Pass
Confidently
Cornual
cornual nerve and infratrochlear nerve
Penicillin IM for all rabbits, 5-7 days
B - Remove fermented rumen contents, flush
with saline
id-splashing sounds are audible during This is the clinical picture of a ruminal
drinker
auscultation over the left flank calf with chronic indigestion from milk
when a calf is drinking. deposited directly into the rumen.
2/
89
, NAVLE Prep Exam Guide: Study Smarter, Pass
Confidently
Passage of a stomach tube Treat by removing the fermented material
obtains a rancid-smelling liquid and flushing the rumen with saline. Attempt to
with a pH of 5.2 [N=5.9-6.2] induce gastric/reticular groove closure during
feeding by inducing vigorous sucking
Which one of the following choices
activity with a finger before feeding milk. If
is the most appropriate
calves relapse, consider weaning.
treatment?
The problem occurs due to failure of the
A - Cull affected calves
gastric groove reflex, which normally shunts
B - Remove fermented rumen con-
milk directly into the abomasum, (bypassing
tents, flush with saline
the rumen). Most often seen in bucket fed
C - Wean affected calves; Shift
calves who gulp their milk.
to bot- tle-feeding for well calves
D - Vitamin E/Selenium injections,
plus dietary supplements
E - Inoculate rumen fluid from a
healthy cow into calf by stomach
tube
5. Abortions due to brucellosis tend to oc- D - Last half of pregnancy
cur at what stage of pregnancy?
Typically, Brucellosis causes abortion in the
LAST HALF of pregnancy, for the 5th
month onwards. Last trimester is also a
good answer, though not entirely correct.
You might remember "Bruce is always
late".
Expect STILLBORN calves. Cows only abort
ONCE. Brucellosis is REPORTABLE.
3/
89
, NAVLE Prep Exam Guide: Study Smarter, Pass
Confidently
The vaccines used are the Brucella abortus
strain 19 vaccine or the RB51 vaccine,
given to heifer calves 4-12 months old,
along with a USDA tattoo
4/
89
