Estrous Cycles Flashcards

1
Q

cow estrous cycle avg length

A

21 days

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2
Q

sow estrous cycle avg length

A

21 days

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3
Q

mare estrous cycle avg length

A

21 days

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4
Q

doe estrous cycle avg length

A

21 days

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5
Q

ewe estrous cycle avg length

A

16 days

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6
Q

llama estrous cycle avg length

A

10 days

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7
Q

queen estrous cycle avg length

A

17 days

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8
Q

bitch estrous cycle avg length

A

6 months

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9
Q

cow estrus avg duration

A

18 hours

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10
Q

sow estrus avg duration

A

2-3 days

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11
Q

mare estrus avg duration

A

6 days

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12
Q

doe estrus avg duration

A

36 hours

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13
Q

ewe estrus avg duration

A

36 hours

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14
Q

llama estrus avg duration

A

5 days

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15
Q

queen estrus avg duration

A

9 days

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16
Q

bitch estrus avg duration

A

9 days

17
Q

cow ovulation

A

24-30 hours after onset

18
Q

sow ovulation

A

~40 hours after onset

19
Q

mare ovulation

A

1-2 days before end

20
Q

doe ovulation

A

24 hours after onset

21
Q

ewe ovulation

A

21-35 hours after onset

22
Q

llama ovulation

A

induced

23
Q

queen ovulation

A

induced

24
Q

bitch ovulation

A

2-3 days post LH surge

25
Q

polyestrus species

A

cow, sow, llama

26
Q

seasonally polyestrus species

A

mare, doe, ewe, queen

27
Q

monestrus species

A

bitch

28
Q

spontaneous ovulators

A

cow, sow, mare, doe, ewe, bitch

29
Q

induced ovulators

A

llama, queen