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NAVLE > Repro Cycle > Flashcards

Repro Cycle Flashcards

1
Q

When do Cattle come into puberty?

A

10-12 months

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2
Q

When do Horses come into puberty?

A

10-24 months

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3
Q

When do sheep come into puberty?

A

6-9months

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4
Q

When do goat come into puberty?

A

5-7 months

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5
Q

When do pig come into puberty?

A

6-7 months

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6
Q

When do dogs come into puberty?

A

6-24months

Earlier in small breeds
(Later in LARGE breeds)

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7
Q

When do cats come into puberty?

A

4-12 months

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8
Q

What is the length of the estrus cycle in cow?

A

21 days

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9
Q

What is the length of the estrus cycle in horses?

A

21 days

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10
Q

What is the length of the estrus cycle in goat

A

21 days

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11
Q

What is the length of the estrus cycle in sheep

A

17 days

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12
Q

What is the length of the estrus cycle in pigs

A

21 days

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13
Q

What is the length of the estrus cycle in dogs?

A

6-7 months

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14
Q

What is the length of the estrus cycle in cats

A

14-21 days

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15
Q

How long is estrus in the cow?

A

18 hrs

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16
Q

How long is estrus in the horse?

A

5-7 days

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17
Q

How long is estrus in the goat?

A

24-48hrs

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18
Q

How long is estrus in the sheep

A

24-36hrs

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19
Q

How long is estrus in the pig?

A

40-60hrs

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20
Q

How long is estrus in the dog?

A

9 days

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21
Q

How long is estrus in the cat?

A

6-7 days

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22
Q

When is ovulation in a cow (time from estrus)?

How long does ovulation last in a cow?

When do you breed a cow?

A

24hrs after estrus

6-12hrs after standing estrus seen

“Am-Pm rule”

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23
Q

When is ovulation in a horse (time from estrus)?

How long does ovulation last in a horse?

When do you breed a horse?

A

1-2 days before end of estrus (day 20-21ish) When CL is ~30mm

24-48hr

  • breed in 2 day intervals
  • start before ovulation for >success
24
Q

When is ovulation in a goat (time from estrus)?

How long does ovulation last in a goat

When do you breed a goat?

A

40hrs after start of estrus

36hrs

Daily during estrus

25
Q

When is ovulation in a sheep (time from estrus)?

How long does ovulation last in a sheep

When do you breed a sheep?

A

40hrs after start of estrus

30hrs

Daily during estrus

26
Q

When is ovulation in a pig (time from estrus)?

How long does ovulation last in a pig?

When do you breed a pig?

A

2/3 of the way through estrus (~16hrs after onset of estrus)

24hrs

Daily or 12hrs into ovulation

27
Q

When is ovulation in a cat (time from estrus)?

How long does ovulation last in a dog?

When do you breed a dog?

A

3-4th day into estrus

24-48hrs

Second day after ovulation

28
Q

When is ovulation in a cat (time from estrus)?

How long does ovulation last in a cat?

When do you breed a cat?

A

INDUCED. During estrus queen is receptive, but will not ovulate w/o male

24-48hrs AFTER breeding

Daily from second day of estrus

29
Q

Ok she is pregnant! YAY! How long is gestation in a cow?

Not preggo…Shit! How long till return of estrus?

When is the earliest you can detect pregnancy?

A

280days

Remember the cycle. I today is 11 days post breeding it means she will go back into estrus in ~10days

—-

30
Q

Ok she is pregnant! YAY! How long is gestation in a horse?

What is she is not preggo

A

335 days

Q21 days in spring-summer

31
Q

Ok she is pregnant! YAY! How long is gestation in a Goat?

What is she is not preggo?

A

145 days

Can rebreed Q21 days in fall

32
Q

Ok she is pregnant! YAY! How long is gestation in a sheep?

What if she is not preggo?

A

145 days

Can rebreed Q17 days during fall

33
Q

Ok she is pregnant! YAY! How long is gestation in a pig?

A

115 days

*3 months
3 weeks
3 days

34
Q

Ok she is pregnant! YAY! How long is gestation in a dog?

What if she is not preggo?

A

65 days

Well…you are basically fucked for the next 6-7 months

35
Q

Ok she is pregnant! YAY! How long is gestation in a cat?

What if she is not preggo?

A

65 days

Dont sweat it she will be receptive Q21days from spring-fall

36
Q

When will first estrus return after parturition in a cow?

A

20-60days post calving

37
Q

When will first estrus return after parturition in a horse?

A

9 days post foaling

38
Q

When will first estrus return after parturition in a goat?

A

Next fall

39
Q

When will first estrus return after parturition in a sheep?

A

Next fall

40
Q

When will first estrus return after parturition in a pig?

A

4-days post weaning

41
Q

When will first estrus return after parturition in a dog?

A

4-5 months post whelping

42
Q

When will first estrus return after parturition in a cat?

A

4-6 weeks post queening

43
Q

What type of estrus do cows have (how often to they come into heat each year?)

A

Polyestrus

Breed Q21 days or 20-60days post-partum

44
Q

What type of estrus do horses have (how often to they come into heat each year?)

A

SEASONAL polyestrus
*long day

Breed in spring

45
Q

What type of estrus do goat have (how often to they come into heat each year?)

A

SEASONAL polyestrus
*short day

Breed in fall

46
Q

What type of estrus do sheep have (how often to they come into heat each year?)

A

SEASONAL polyestrus
*short day

Breed in fall

47
Q

What type of estrus do pig have (how often to they come into heat each year?)

A

Polyestrus

Breed Q21 days or 4-10days post weaning

48
Q

What type of estrus do dogs have (how often to they come into heat each year?)

A

Monestrus

Breed Q6-7months or 4-5months post-partum

49
Q

What type of estrus do cats have (how often to they come into heat each year?)

A

Technically SEASONAL polyestrus, but are induced ovulators

Spring-Fall

50
Q

When is the earliest you can detect pregnancy in a cow?

When is heartbeat detected

A

~25days via U/S

Maybe 25-30days

51
Q

When is the earliest you can detect pregnancy in a horse?

When can you detect a heartbeat?

A

Day 14-18 via U/S- check for twins

Day 25-30 evaluate normal embryo development

Day 24–25

52
Q

When is the earliest you can detect pregnancy in a goat?

When can you detect a heartbeat?

A

Day 18-20 w/ U/S

Day 25

53
Q

When is the earliest you can detect pregnancy in a sheep?

When can you detect a heartbeat?

A

Day 18-20

Day 25

54
Q

When is the earliest you can detect pregnancy in a pig?

A

Dx made by observing return to estrus 17-24days post breeding

55
Q

When is the earliest you can detect pregnancy in a dog?

A

Day 21-22

  • U/S
  • Abdominal palpation- “string of pearls”
56
Q

When is the earliest you can detect pregnancy in a cat?

A
  • U/S: day 14-15

- Abdominal palpation- “string of pearls”: day 16-30

NAVLE (7 decks)

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