Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Therio > Breeding Soundness 1.1 > Flashcards

Breeding Soundness 1.1 Flashcards

1
Q

all animals except dogs and horses have intra-scrotal testes _______

A

at birth

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

dogs have intra-scrotal testes by _____ after birth

A

14 days (6 months at the latest)

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

horses have intra-scrotal testes by _____ after birth

A

10 days (9 months at the latest)

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

decreased body condition causes decreased ____, lengthening time to puberty

A

LH

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

canine average age of puberty in months

A

9 (5-12)

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

feline average age of puberty in months

A

9 (8-10)

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

equine average age of puberty in months

A

14 (10-24)

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

bovine average age of puberty in months

A

11 (7-18)

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

sheep average age of puberty in months

A

7 (6-9)

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

goat average age of puberty in months

A

5 (3-8)

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

pig average age of puberty in months

A

7 (5-8)

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

llama and alpaca average age of puberty

A

2-3 years

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

the ____ center in the brain is inactive males following puberty

A

surge

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

FSH produced by the anterior pituitary acts on ______ cells

A

sertoli

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

LH produced by the anterior pituitary acts on ______ cells

A

leydig

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

hormone produced by sertoli cells under influence of FSH

A

E

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

hormone produced by leydig cells under influence of LH

A

T (some T converted to E)

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

hormone produced by sertoli cells under influence of T

A

DHT

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

hormone produced by sertoli cells that directly provides negative feedback to the anterior pituitary

A

inhibin

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

dog considered seasonal breeder? changes during non-breeding season?

21
Q

cat considered seasonal breeder? changes during non-breeding season?

A

yes (long-day)- decreased sperm count

22
Q

horse considered seasonal breeder? changes during non-breeding season?

A

somewhat (long-day)- decreased sperm count

23
Q

cow considered seasonal breeder? changes during non-breeding season?

24
Q

sheep considered seasonal breeder? changes during non-breeding season?

A

yes (short-day)- decreased libidio, scrotal circumference and semen quality

25
goat considered seasonal breeder? changes during non-breeding season?
somewhat (short-day)- decreased libido, buck odor, scrotal circumference, semen quality
26
pig considered seasonal breeder? changes during non-breeding season?
unknown- unknown
27
llama considered seasonal breeder? changes during non-breeding season?
no- none
28
dog- time required for full spermatogenic cycle in days
62
29
cat- time required for full spermatogenic cycle in days
47
30
horse- time required for full spermatogenic cycle in days
55
31
cow- time required for full spermatogenic cycle in days
61
32
sheep- time required for full spermatogenic cycle in days
47-56
33
goat- time required for full spermatogenic cycle in days
59-64
34
pig- time required for full spermatogenic cycle in days
39
35
with changes in ambient temp, testes must be maintained at ~____'C
35
36
muscle that primarily contributes to maintenance of testes temp
tunica dartos
37
animals with long axis of testis oriented horizontal
dog, stallion, boar
38
animals with long axis of testis oriented vertically
bull, ram, buck
39
development and maintenance of function of accessory sex glands is ______ dependent
testosterone
40
animals with all four accessory sex glands present (bulbourethral glands, prostate, vesicular glands, ampullae)
horse, cow, sheep, goat
41
accessory sex gland found in the dog
prostate
42
accessory sex glands found in the cat
bulbourethral glands, prostate
43
accessory sex glands found in the pig
bulbourethral glands, prostate, vesicular glands
44
accessory sex glands found in the llama and alpaca
bulbourethral glands, prostate
45
most common accessory sex gland to be pathologically affected in cows
vesicular glands
46
most common accessory sex gland to be pathologically affected in horses
ampullae
47
animals with fibroelastic penis
bull, ram, buck, boar, macho
48
layer of the penis that prevents increase in size in the fibroelastic penis
tunica albuginea
49
animals with musculocavernous penis
stallion, dog

Therio (13 decks)

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