BVetMed3: Equine Reproduction

Question 1 of 27

1

In the northern hemisphere, when is the normal breeding season of the mare?

Select one of the following:

March to August
August to November
They breed year-round
November to March

Explanation

Question 2 of 27

1

How does increased day length affect the hormonal pathway of estrus in the mare?

Select one of the following:

It stimulates the pineal gland to produce less melatonin which acts on the anterior pituitary to produce FSH
It stimulates the pineal gland to produce more melatonin which acts on the hypothalamus to produce GnRH
It stimulates the pineal gland to produce less melatonin which acts on the hypothalamus to produce GnRH
It stimulates the pineal gland to produce more melatonin which acts on the anterior pituitary to produce FSH
It stimulates the pineal gland to produce less melatonin which acts on the anterior pituitary to produce LH
It stimulates the pineal gland to produce more melatonin which acts on the anterior pituitary to produce LH

Explanation

Question 3 of 27

1

How long is the oestrus cycle in the mare?

Select one of the following:

21 days
14 days
28 days
35 days

Explanation

Question 4 of 27

1

How long is a mare in the oestrus phase of her cycle?

Select one of the following:

5-7 days
7-14 days
2-3 days
1 day
7-9 days

Explanation

Question 5 of 27

1

Which of the following would NOT manipulate the oestrus cycle of a mare?

Select one of the following:

Lights
Dopamine agonist
Rising plane of nutrition
Green grass effect

Explanation

Question 6 of 27

1

A mare has not been cycling properly and it exhibiting stallion-like behavior. Her inhibin levels are over 120 and her AMH levels are over 15. On ultrasound, you find her ovaries have a honeycomb like appearance. What do you diagnose the mare with?

Select one of the following:

Anovulatory follicles
Luteal ovarian cysts
Granulosa Theca Cell Tumor
Follicular ovarian cysts

Explanation

Question 7 of 27

1

When grading endometriosis with the Kenney biopsy scale, which grade do you expect the histopathology to show inflammation, fibrosis and reversible changes?

Select one of the following:

Category 1
Category 2A
Category 2B
Category 3
Category 4

Explanation

Question 8 of 27

1

Which of the following is a notifiable disease in horses?

Select one or more of the following:

Equine Infectious Anaemia
Equine Viral Arteritis
Contagious Equine Metritis
Klebsiella pneumonia
Pseudomonas aeruginosa
Equine Herpes Virus
Strangles
Dourine

Explanation

Question 9 of 27

1

A clitoral swab is used to test for what diseases?

Select one or more of the following:

Equine Infectious Anaemia
Equine Viral Arteritis
Contagious Equine Metritis
Dourine
Klebsiella pnemonia
Pseudomonas aeruginosa
Equine Herpes Virus
Strangles

Explanation

Question 10 of 27

1

Clitoral Swabs are used on which part of the clitoris?

Select one of the following:

Fossa
Sinus
Both fossa and sinus

Explanation

Question 11 of 27

1

What notifiable disease has venereal transmission and is spread by Trypanosoma equiperdum?

Select one of the following:

Dourine
Equine Coital Exanthema
Equine Infectious Anaemia
Equine Viral Arteritis
Contagious Equine Metritis
Equine Herpes Virus

Explanation

Question 12 of 27

1

A caslicks procedure is done to

Select one of the following:

correct any abnormal vulval conformations
correct any abnormal perineum conformations
correct any abnormal clitoral conformations

Explanation

Question 13 of 27

1

When using an ultrasound, at what part of the mare's oestrus cycle does her uterus look firm, have a high tone and is a muscular tube?

Select one of the following:

Anoestrus
Dioestrus
Oestrus

Explanation

Question 14 of 27

1

Which horse breed must always be bred using natural cover?

Select one of the following:

Thoroughbreds
Ponies
Cobs
Arabs

Explanation

Question 15 of 27

1

Which is FALSE regarding foal heat breeding?

Select one of the following:

It occurs in the first oestrus after foaling (approx 5-10 days after)
It usually has higher conception rates than breeding during a mare's normal cycle
It will bring next years foaling date forward
The mare can short cycle off foal heat

Explanation

Question 16 of 27

1

When is the ideal timing of insemination when using frozen semen in horses?

Select one of the following:

48 hours before ovulation
24 hours before ovulation
12 hours before ovulation
24 hours after ovulation
12 hours after ovulation

Explanation

Question 17 of 27

1

What structure attaches the epididymis and testes to the scrotum?

Select one of the following:

spermatic cord
gubernaculum
mesorchium
suspensory ligament
ischiocavernous muscle

Explanation

Question 18 of 27

1

When is a stallion sexually mature?

Select one of the following:

6 months
10-12 months
12-15 months
14-18 months
22-24 months

Explanation

Question 19 of 27

1

In the stallion, where is spermatozoa stored?

Select one of the following:

cranial epididymis
prostate
ampulla
bulbourethral gland

Explanation

Question 20 of 27

1

What attaches the penis at the root?

Select one or more of the following:

suspensory ligament
ischiocavernous muscle
corpus spongiosum
gubernaculum
mesorchium

Explanation

Question 21 of 27

1

A "cut proud" cryptorchid refers to

Select one of the following:

a unilaterally retained testcile in the inguinal canal
an incomplete castration where usually the epidymal tissue remains
bilaterally retained testicles found at the caudal pole of the kidney
an incomplete castration where usually part of the testicular tissue remains

Explanation

Question 22 of 27

1

What is the most common type of castration in the horse?

Select one of the following:

open
closed

Explanation

Question 23 of 27

1

What is the average gestation length in a mare pregnancy?

Select one of the following:

340 days
300 days
350 days
275 days
360 days
260 days

Explanation

Question 24 of 27

1

What type of placenta does a mare have?

Select one of the following:

Diffuse epitheliochorial
DIffuse endotheliochorial
Cotyledonary epitheliochorial
Cotyledonary endotheliochorial

Explanation

Question 25 of 27

1

When does implantation of the conceptus occur in a mare pregnancy post-conception?

Select one of the following:

D14
D20
D8
D22
D5

Explanation

Question 26 of 27

1

What is FALSE regarding the hormonal control of pregnancy in the mare?

Select one of the following:

eCG is produced from endometrial cups
eCG levels persist until 120-150d through gestation
when the mobile conceptus implants, it promotes a secondary ovulation from the mare
foetal oestrone sulphate increases in foetal compromise and prepartum

	Created by Marina Martins over 5 years ago

Covers set of four lectures about the mare, the stallion, practical breeding, and parturition.

BVetMed3: Equine Reproduction

Question 1 of 27

In the northern hemisphere, when is the normal breeding season of the mare?

Select one of the following:

Explanation

Question 2 of 27

How does increased day length affect the hormonal pathway of estrus in the mare?

Select one of the following:

Explanation

Question 3 of 27

How long is the oestrus cycle in the mare?

Select one of the following:

Explanation

Question 4 of 27

How long is a mare in the oestrus phase of her cycle?

Select one of the following:

Explanation

Question 5 of 27

Which of the following would NOT manipulate the oestrus cycle of a mare?

Select one of the following:

Explanation

Question 6 of 27

A mare has not been cycling properly and it exhibiting stallion-like behavior. Her inhibin levels are over 120 and her AMH levels are over 15. On ultrasound, you find her ovaries have a honeycomb like appearance. What do you diagnose the mare with?

Select one of the following:

Explanation

Question 7 of 27

When grading endometriosis with the Kenney biopsy scale, which grade do you expect the histopathology to show inflammation, fibrosis and reversible changes?

Select one of the following:

Explanation

Question 8 of 27

Which of the following is a notifiable disease in horses?

Select one or more of the following:

Explanation

Question 9 of 27

A clitoral swab is used to test for what diseases?

Select one or more of the following:

Explanation

Question 10 of 27

Clitoral Swabs are used on which part of the clitoris?

Select one of the following:

Explanation

Question 11 of 27

What notifiable disease has venereal transmission and is spread by Trypanosoma equiperdum?

Select one of the following:

Explanation

Question 12 of 27

A caslicks procedure is done to

Select one of the following:

Explanation

Question 13 of 27

When using an ultrasound, at what part of the mare's oestrus cycle does her uterus look firm, have a high tone and is a muscular tube?

Select one of the following:

Explanation

Question 14 of 27

Which horse breed must always be bred using natural cover?

Select one of the following:

Explanation

Question 15 of 27

Which is FALSE regarding foal heat breeding?

Select one of the following:

Explanation

Question 16 of 27

When is the ideal timing of insemination when using frozen semen in horses?

Select one of the following:

Explanation

Question 17 of 27

What structure attaches the epididymis and testes to the scrotum?

Select one of the following:

Explanation

Question 18 of 27

When is a stallion sexually mature?

Select one of the following:

Explanation

Question 19 of 27

In the stallion, where is spermatozoa stored?

Select one of the following:

Explanation

Question 20 of 27

What attaches the penis at the root?