Puberty

Question 1

Female becomes sexually mature and able to reproduce

Answer 1

Puberty

Question 2

T/F Puberty precedes the development of physical maturity

Answer 2

T

Question 3

At wage age does pygmy goats reach puberty

Answer 3

3 months

Question 4

Time mares reach the age of puberty

Answer 4

1-2 years

Question 5

Time cows reach the age of puberty

Answer 5

7-18 months

Question 6

Time ewes reach the age of puberty

Answer 6

6-15 months

Question 7

Time doe or nanny goat reach the age of puberty

Answer 7

4-8 months

Question 8

Time sows reach the age of puberty

Answer 8

6-8 months

Question 9

Time bitch reach the age of puberty

Answer 9

6-20 months

Question 10

Time queen cat reach the age of puberty

Answer 10

7-12 months

Question 11

The initiation of puberty is a function of

Answer 11

age & maturity

Question 12

Onset of puberty is signaled by

Answer 12

1st estrous or 1st ovulation

Question 13

At what stage does cows ovulate?

Answer 13

Metestrus

Question 14

Non seasonal polycyclic animals

Answer 14

cow and sow

Question 15

Seasonal polycyclic animals

Answer 15

mare
ewe
doe/nanny
cat

Question 16

T/F Domestic animals experience menopause

Answer 16

False

Question 17

T/F Ewes are short day breeders

Answer 17

True

Question 18

T/F cats are interrupted by sexual quiescence

Answer 18

True

Question 19

Seasonally Monocyclic animal

Answer 19

Bitch

Question 20

What causes the changes during puberty?

Answer 20

• production of female gametes
• synthesis of hormones

Question 21

Pituitary gland produces what hormone?

Answer 21

Luteinizing Hormone

Question 22

Theca Cells produce what hormone?

Answer 22

progesterone

Question 23

Granulosa cells produce what hormone?

Answer 23

Estrogen

Question 24

Puberty onset relies on the secretion of o__ o__

Answer 24

ovarian oestradiol

Question 25

Puberty in males occurs as a result of a decrease in hypothalamic sensitivity to __ and ___

Answer 25

E2 and Testosterone

Question 26

Presence of ___ in semen = puberty

Answer 26

spermatozoa

Question 27

This hormone influences the release of LH, FSH, & Prolactin

Answer 27

Melatonin

Question 28

Source of melatonin - gland

Answer 28

Pineal gland

Question 29

T/F Melatonin is responsive to the amount of daylight

Answer 29

True

Question 30

This breed is capable of out oof onset breeding

Answer 30

Dorset breed

Question 31

This hormone influences the release of GnRH

Answer 31

Kisspeptin

Question 32

External factors affecting puberty (4)

Answer 32

1. Nutrition 2. Proximity of the male 3. Climate 4. Disease

Question 33

This is done in sows to induce hyperovulation

Answer 33

Flushing

Question 34

___ is secreted by white fat cells

Answer 34

Leptin