Puberty and Estrous cycle Flashcards

1
Q

reflex or induced ovulation happens in

A

rabbit

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2
Q

spontaneous ovulation with mating happens in what animals

A

rat

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3
Q

spontaneous ovulation happens in what anumals

A

ruminant, sow, primates, mare, dog

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4
Q

3 types of ovulation

A

spontaneous ovulation, spontaneous ovulation with mating, reflex or induced ovulation

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5
Q

imposing of a pregnancy on an existing pregnancy

A

superfetation

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6
Q

rabbit’s estrus length

A

not well defined

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7
Q

mare’s av. estrus length

A

5 days

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8
Q

ewe’s av. estrus length

A

30 hours

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9
Q

sow’s av. estrus length

A

3 days

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10
Q

cow’s av. estrus length

A

10 to 30 hours

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11
Q

rabbit estrus

A

15 days

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12
Q

sheep estrus cycle

A

16 days

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13
Q

mare estrus cycle

A

21 days

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14
Q

sow estrus cycle

A

21 days

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15
Q

cow estrus

A

21 days

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16
Q

the time when the ewe is not cycling

A

anestrus

17
Q

seasonal breeders

A

sheep and horses

18
Q

polyestrus animals

A

cattle

19
Q

are in estrus more than once a breeding season or year

A

polyestrus

20
Q

has only 1 estrus in a breeding season of year

A

monoestrus

21
Q

causes of anestrus

A

pregnancy
season
nutriotion
pathology
presence of offspring

22
Q

the reproductive tract becomes less active

A

diestrus

23
Q

the female is sexually receptive to the male for mating

A

estrus

24
Q

follicle matures to release the egg

A

proestrus

25
Q

three phases of estrous

A

proestrus
estrus
diestrus

26
Q

turkey mature at

A

27 to 30 weeks

27
Q

chickens mature at

A

17 to 26 weeks

28
Q

rabbits usually reach puberty

A

5 to 8 months

29
Q

dogs reaches puberty

A

6 to 12 months

30
Q

horses reach puberty

A

10 to 12 months

31
Q

ewe lamb reaches puberty

A

5 to 9 months

32
Q

gilt reaches puberty

A

4 to 8 months

33
Q

heifer reaches puberty

A

6 to 12 months

34
Q

puberty in female is marked by

A

first estrus

35
Q

stage of sexual maturation

A

puberty