Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Equine Reproduction > Exam 1 > Flashcards

Exam 1 Flashcards

1
Q

What hormone is secreted by the pineal gland?

A

melatonin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What size is a preovulatory follicle?

A

30-50mm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

True or False: PGF2alpha can aid in oviductal transport of the embryo

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

True or False: the cervix in the mare has hard cartilaginous rings

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is a CA on the ovary

A

white body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

True or False: The hypothalamus is physically isolated from the reproductive tract but plays a central role in reproduction

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the major physical barrier to contamination of the mare’s uterus?

A

the vestibulovaginal ring

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

True or False: A general physical exam should be included in a BSE.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

True or False: Heritable conditions/conformation should be considered when selecting a sire

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are three parts of a stallion’s reproductive history that should be included in a BSE?

A

Foaling rates
Age
Pregnancy rates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the ideal number of mounts for a stallion to breed a mare/be collected?

A

1-2 times

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

True or False: All equipment used for semen evaluation should be kept at 37 degree C

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are three components of semen evaluation?

A

Motility
Volume
Concentration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

True or False: The gland penis can be used as an indicator of ejaculation in the stallion during collection

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

True or False: The testes are responsible for production of seminal plasma

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Describe spermiogenesis

A

Spermatids differentiate into mature spermatids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

How many days does it take for production and maturation of sperm in the stallion?

A

65 days

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

True or False: Spermatogenesis occurs at body temperature

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

True or False: Severe discipline aids in reproductive fertility and should always be used in excess when handling a stallion

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What type of penile tissue is present in the stallion?

A

Musculocavernous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Where does fertilization occur in the mare?

A

the ampullary-isthmic junction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

True or False: Ovulation can occur at any place on the mare’s ovary

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Give 3 general descriptions of the ovary of the mare

A

Kidney bean shaped
“Inside out”
Houses an ovulation fossa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Is cervical mucus thick or thin during estrus?

A

Thin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Which layer of the uterus is glandular and secretory?
The endometrium
26
True or False: Cyclicity in the mare starts and ends very quickly, similar to turning on and off a light switch
False
27
What hormone is dominant during pregnancy?
P4
28
What are three example times when a stallion BSE is performed?
Pre-purchase Insurance Purposes When a problem in identified
29
What defines DSO (daily sperm output) in the stallion?
How much sperm the stallion could provide on a daily basis
30
Which best describes the mare? Lactational anestrus Seasonal polyestrous Monoestrous
Seasonal polyestrous
31
True or False: If you administer exogenous P4 the mare will show signs of heat
False
32
How many days on average is estrous in the mare?
21-22 days
33
True or False: Diestrus ends with the regression of the CL
True
34
What type of feedback does P4 have on GnRH?
Inhibitory feedback
35
What hormone is dominant during the follicular phase?
E2
36
True or False: Horses are induced ovulators
False
37
Where is FSH produced?
The anterior pituitary
38
True or False: You can efficiently and easily super ovulate the mare for not much cost
False
39
What structure allows GnRH to act directly on the anterior pituitary?
The hypothalamic-hypophyseal portal system
40
True or False: PGF2alpha can aid in oviductal transport of the embryo
False
41
True or False: Mares are short day breeders
False
42
True or False: Inhibin has a positive feedback on FSH
False
43
True or False: The follicular wave in the mare can and does occur in waves
True
44
True or False: T4 is dominant during the luteal phase
False
45
True or False: PGF2alpha is secreted by the ovary in mare
False
46
When does the mare secrete PGF2a if not bred?
Days 13-16 post ovulation
47
True or False: the mare's uterus is more T shaped than Y shaped
True
48
True or False: You only need to see a DF to determine if a mare is in estrus
False
49
List some important factors in predicting ovulation
Day of estrus/signs of estrus DF size and characteristics Uterine edema Cervical relaxation
50
True or False: Foal heat is unique to the mare
True
51
What role does melatonin play on GnRH
Inhibitory
52
What is the juncture between the vestibule and vagina?
vestibulovaginal ring
53
True or False: The myometrium is glandular and secretory
False
54
What is the scale range of detecting estrus in the mare?
0-4
55
True or False: A mare that scores a 1 while teasing is sexually receptive to the stallion
False
56
How long does a mare need to be under lights to start cycling?
8-10 weeks
57
How many hours per day must a mare be exposed to lights to induce cyclicity?
14-16 hours
58
True or False: You should breed on the first ovulation of the season
False
59
True or False: Fertility is increased during foal heat
False
60
What two drugs induce ovulation in the mare with a pre-ovulatory sized follicle
Deslorelin | hCG
61
True or False: P4 masks signs of heat in the mare
True
62
What is the minimum size of follicle required to administer hCG
35mm
63
True or False: ovulation occurs typically within 24-48 hours post deslorelin
True
64
What drug can be used for super ovulation protocol in mares
reFSH
65
What does Lutalyse do?
lyse the CL
66
True or False: You can use Regumate as part of a synchronization protocol
True
67
You can breed a more on her foal heat which occurs ____ days post foaling
7-10
68
What procedure can help a mare that has a sunken anus?
Caslick's

Equine Reproduction (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions