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Flashcards in Repro Cycle Deck (56)
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1

When do Cattle come into puberty?

10-12 months

2

When do Horses come into puberty?

10-24 months

3

When do sheep come into puberty?

6-9months

4

When do goat come into puberty?

5-7 months

5

When do pig come into puberty?

6-7 months

6

When do dogs come into puberty?

6-24months

(Earlier in small breeds)
(Later in LARGE breeds)

7

When do cats come into puberty?

4-12 months

8

What is the length of the estrus cycle in cow?

21 days

9

What is the length of the estrus cycle in horses?

21 days

10

What is the length of the estrus cycle in goat

21 days

11

What is the length of the estrus cycle in sheep

17 days

12

What is the length of the estrus cycle in pigs

21 days

13

What is the length of the estrus cycle in dogs?

6-7 months

14

What is the length of the estrus cycle in cats

14-21 days

15

How long is estrus in the cow?

18 hrs

16

How long is estrus in the horse?

5-7 days

17

How long is estrus in the goat?

24-48hrs

18

How long is estrus in the sheep

24-36hrs

19

How long is estrus in the pig?

40-60hrs

20

How long is estrus in the dog?

9 days

21

How long is estrus in the cat?

6-7 days

22

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

How long does ovulation last in a cow?

When do you breed a cow?

24hrs after estrus

6-12hrs after standing estrus seen

“Am-Pm rule”

23

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

How long does ovulation last in a horse?

When do you breed a horse?

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

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

How long does ovulation last in a goat

When do you breed a goat?

40hrs after start of estrus

36hrs

Daily during estrus

25

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

How long does ovulation last in a sheep

When do you breed a sheep?

40hrs after start of estrus

30hrs

Daily during estrus

26

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

How long does ovulation last in a pig?

When do you breed a pig?

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

24hrs

Daily or 12hrs into ovulation

27

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

How long does ovulation last in a dog?

When do you breed a dog?

3-4th day into estrus

24-48hrs

Second day after ovulation

28

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

How long does ovulation last in a cat?

When do you breed a cat?

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

24-48hrs AFTER breeding

Daily from second day of estrus

29

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?

280days

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

—-

30

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

What is she is not preggo

335 days

Q21 days in spring-summer

31

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

What is she is not preggo?

145 days

Can rebreed Q21 days in fall

32

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

What if she is not preggo?

145 days

Can rebreed Q17 days during fall

33

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

115 days

*3 months
3 weeks
3 days

34

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

What if she is not preggo?

65 days

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

35

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

What if she is not preggo?

65 days

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

36

When will first estrus return after parturition in a cow?

20-60days post calving

37

When will first estrus return after parturition in a horse?

9 days post foaling

38

When will first estrus return after parturition in a goat?

Next fall

39

When will first estrus return after parturition in a sheep?

Next fall

40

When will first estrus return after parturition in a pig?

4-days post weaning

41

When will first estrus return after parturition in a dog?

4-5 months post whelping

42

When will first estrus return after parturition in a cat?

4-6 weeks post queening

43

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

Polyestrus

Breed Q21 days or 20-60days post-partum

44

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

SEASONAL polyestrus
*long day

Breed in spring

45

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

SEASONAL polyestrus
*short day

Breed in fall

46

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

SEASONAL polyestrus
*short day

Breed in fall

47

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

Polyestrus

Breed Q21 days or 4-10days post weaning

48

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

Monestrus

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

49

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

Technically SEASONAL polyestrus, but are induced ovulators

Spring-Fall

50

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

When is heartbeat detected

~25days via U/S

Maybe 25-30days

51

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

When can you detect a heartbeat?

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

Day 25-30 evaluate normal embryo development

Day 24–25

52

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

When can you detect a heartbeat?

Day 18-20 w/ U/S

Day 25

53

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

When can you detect a heartbeat?

Day 18-20

Day 25

54

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

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

55

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

Day 21-22
-U/S
-Abdominal palpation- “string of pearls”

56

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

-U/S: day 14-15
-Abdominal palpation- “string of pearls”: day 16-30