Copy and Edit

BVetMed3: Infertility in Large Animals

Description

Graduate Accelerated Veterinary Medicine (Reproduction) Quiz on BVetMed3: Infertility in Large Animals, created by Marina Martins on 07/04/2019.
Marina Martins
Quiz by Marina Martins, updated more than 1 year ago
Marina Martins
Created by Marina Martins about 5 years ago
11
0
0

Resource summary

Question 1

Question
Once a heifer has hit puberty, how often should she come into oestrus?
Answer
  • every 18-24 days
  • every 24-30 days
  • every 14-20 days
  • every 30-36 days

Question 2

Question
How many weeks post-partum is a cow expected to return to oestrus?
Answer
  • 4-6 weeks
  • 2-4 weeks
  • immediately
  • 3-5 weeks

Question 3

Question
Which of the following is FALSE considering oestrus expression in cows?
Answer
  • Every single oestrus in fertile cows should have overt behavioural signs
  • In high yield dairy cows, oestrus duration is thought to be less than 15 hours
  • Oestrus expression requires the environment
  • Sub-oestrus implies reduced oestrus expression

Question 4

Question
Ovsynch in dairy cows involves
Answer
  • Insertion of PRID/CIDR for 7-9 days with PGF2a injected 24 hr before removal of the device
  • Two injections of PGF2a 11 days apart
  • Injection of GnRH on day 0, then PGF2a 7 days later, then a final injection of GnRH at day 9

Question 5

Question
Which of the following is FALSE considering ovarian cysts?
Answer
  • They develop from anovulatory Graafian follicles
  • They develop when the theca cell layer degenerates
  • They are 2.5 cm in diameter
  • They persist longer than 10 days
  • They occur because of a failure of the pre-ovulatory LH surge after the end of the recovery period

Question 6

Question
Poor nutrition in dairy cows can influence fertility directly via
Answer
  • reducing IGF-1 production
  • lowering milk progesterone values
  • increasing insulin values

Question 7

Question
An ovarian cause for follicular cysts are reduced numbers of [blank_start]LH[blank_end] receptors in [blank_start]granulosa[blank_end] cells of cysts vs normal follicles.
Answer
  • LH
  • granulosa

Question 8

Question
Which of the following is FALSE when treating ovarian cysts?
Answer
  • Cows often develop cysts in the immediate postpoartum period but these regress spontaneously and don't need treatment
  • Treat luteal cysts with two doses of PGF2a
  • Treat follicular cysts with a dose of GnRH/hCG followed by PGF2a
  • Treat follicular cysts with intra-vaginal CIDR/PRID for 10-12 days

Question 9

Question
Pyometra in cows is often associated with
Answer
  • a persistent CL
  • luteal cysts
  • follicular cysts
  • thickened ovaries

Question 10

Question
What reproductive pathology is shown in the image?
Image:
Hydrosalpinx (binary/octet-stream)
Answer
  • Uterine torsion
  • Hydrosalphinx
  • Pyometra
  • Follicular ovarian cyst
  • Luteal ovarian cyst

Question 11

Question
Which reproductive pathology is shown in the image?
Image:
Luteal Cyst (binary/octet-stream)
Answer
  • Luteal ovarian cyst
  • Follicular ovarian cyst
  • Pyometra
  • Persistent CL

Question 12

Question
Which of the following is NOT a way to prevent embryonic death in repeat breeders cows?
Answer
  • Use semen from a bull with good fertility
  • Give hCG/GNRH at time of first AI
  • Give GnRH 11-12 days after AI
  • Place PRID device immediately after AI

Question 13

Question
Endometritis is clinically scored based on [blank_start]mucus character[blank_end] and [blank_start]mucus odour[blank_end].
Answer
  • mucus character
  • mucus odour

Question 14

Question
How would you treat endometritis in a cow if no CL is present?
Answer
  • PGF2a
  • Intrauterine cephalosporin
  • GnRH
  • Penicillin G

Question 15

Question
The average 600-day liveweight of Charolais bulls is 800kg. The heritability of liveweight is 0.4. What is the simple EBV for a Charolais bull that weighs 820kg at 600 days of age?
Answer
  • +4kg
  • +8kg
  • +10kg
  • +12kg
  • +20kg

Question 16

Question
A bull had a 600-day liveweight EBV of + 8kg. Imagine you mated this bull to a Charolais cow with a 600-day liveweight EBV of -2kg. What would be the simplistic 600-day EBV of the calf?
Answer
  • +0kg
  • +1kg
  • +2kg
  • +3kg
  • +4kg

Question 17

Question
Brucella abortus typically causes abortions in cows in
Answer
  • 6-9 months
  • 5-7 months
  • at any stage
  • 4-7 months
  • usually late stage abortion

Question 18

Question
Which of the following can cause abortions in cows at any stage of pregnancy?
Answer
  • BVDV
  • Brucella abortus
  • Listeria
  • Leptospira spp.

Question 19

Question
The voluntary waiting period for servicing cows should be at least
Answer
  • 42 days
  • 36 days
  • 50 days
  • 65 days

Question 20

Question
What is the target number of days for the calving-to-first service interval?
Answer
  • 65 days
  • 80 days
  • 42 days
  • 50 days
  • 75 days

Question 21

Question
What is the target conception rate at the first AI service of cows?
Answer
  • 70%
  • 55%
  • 60%
  • 50%
  • 40%

Question 22

Question
When should a farmer see big peaks in inter-oestrus intervals of his dairy herd?
Answer
  • 2-17 days after servicing
  • 18-24 days after servicing
  • 25-35 days after servicing
  • 36 to 48 days after servicing
  • more than 48 days after servicing

Question 23

Question
A farmer measured the milk progesterone levels of a number of cows. Which cow's milk progesterone value suggests it's probably in oestrus?
Answer
  • 4 ng/ml
  • 8 ng/ml
  • 11 ng/ml
  • 20 ng/ml

Question 24

Question
Which of the following is NOT a measurement of reproductive performance in sheep?
Answer
  • Fertility
  • Fecundity
  • Survival Rate
  • Foetal Growth

Question 25

Question
The number of lambs that are born per pregnancy is referred to as
Answer
  • Fertility
  • Fecundity
  • Survival rate
  • Conception Rate

Question 26

Question
If a farmer's flock contains a large number of ewes that birth only single lambs, this likely means his flock primarily has an issue with
Answer
  • poor ovulation rate
  • poor conception rate
  • high embryonic or early foetal loss
  • high stillbirth rates

Question 27

Question
Which of the following would NOT cause a poor conception rate in sheep?
Answer
  • Breeding early in the breeding season
  • Ovarian cysts
  • Clover-rich pastures
  • High environmental temperatures
  • Mineral deficiency

Question 28

Question
In sheep, isoflavones can cause
Answer
  • poor conception rate
  • poor ovulation rate
  • early embryonic death
  • late foetal death

Question 29

Question
How would you treat hydrometra in goats?
Answer
  • PGF2a
  • Oxytocin
  • GnRH and Oxytocin
  • PGF2a and Oxytocin
  • GnRH and PGF2a
  • GnRH

Question 30

Question
Which of the following would likely not cause early embryonic death?
Answer
  • Asynchrony between embryonic development and timing of the progesterone rise
  • Underfeeding in early pregnancy
  • Increased age of ewe
  • Deficiency of selenium
  • Deficiency of iodine

Question 31

Question
Placental insufficiency in late foetal death of lambs is likely caused by
Answer
  • underfeeding in early pregnancy
  • overfeeding in early pregnancy
  • underfeeding in late pregnancy
  • overfeeding in late pregnancy

Question 32

Question
Which of the following is the most common reason for late foetal death in sheep and goats?
Answer
  • Chlamydophila abortus
  • Toxoplasmosis
  • Campylobacter
  • Brucellosis
  • Leptospirosis
  • Border Disease

Question 33

Question
[blank_start]NOS[blank_end] inhibitors like [blank_start]L-nitroarginine[blank_end] can correct poor mothering ability by preventing changes in neuronal circuits in the olfactory bulb.
Answer
  • NOS
  • L-nitroarginine

Question 34

Question
If you wanted to investigate the ovulation rate of a flock of sheep, which value(s) would you primarily look at it?
Answer
  • Nutrition
  • Timing of ram use
  • BCS
  • Length of mating
  • Stress
Show full summary Hide full summary

Want to create your own Quizzes for free with GoConqr? Learn more.

Similar

Female Menstrual Cycle (Grade 10)
Leviticus777
Basic Immunology Principles
Robyn Hokulani-C
Anatomical terminology - Axial Skeleton
celine_barbiersg
Life Processes
bastiphillips
Veterinary Technician 2
Kadii Spurling
Joint pathology
Justin Veazey
General epi flashes
Sno
Pelvic limb cutaneous nerves
jess_k_turner
LAM II study questions
curfman.melissa
Non-Arboviruses
Nicolette Adamson
LAM II FINAL
curfman.melissa
Browse Library