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Therio > Therio Key-Points Table > Flashcards

Therio Key-Points Table Flashcards

1
Q

cow age of puberty (months)

A

8-12 (breed differences)

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2
Q

mare age of puberty (months)

A

15-24 (seasonal effects)

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3
Q

ewe age of puberty (months)

A

5-7

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4
Q

sow age of puberty (months)

A

5-8

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5
Q

bitch age of puberty (months)

A

6-24

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6
Q

queen age of puberty (months)

A

5-12

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7
Q

mare type of placenta

A

diffuse/microcotyledonary

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8
Q

sow type of placenta

A

diffuse

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9
Q

carnivore placental attachment style vs herbivore

A

herbivores: epithelio-chorial
carnivores: endothelial-chorial

ie. of domestic species only cat and dog have endothelio-chorial

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10
Q

cow breeding season?

A

all year

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11
Q

mare breeding season?

A

april-sept (long day), earlier with lighting

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12
Q

ewe breeding season?

A

short-day breeders (fall)

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13
Q

sow breeding season?

A

all year, slight seasonal influence

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14
Q

bitch breeding season?

A

all year

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15
Q

queen breeding season?

A

jan-oct

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16
Q

cow type of estrus cycle?

A

polyestrus

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17
Q

mare type of estrus cycle?

A

seasonally polyestrus

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18
Q

ewe type of estrus cycle?

A

seasonally polyestrus

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19
Q

sow type of estrus cycle?

A

polyestrus

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20
Q

bitch type of estrus cycle?

A

monoestrus

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21
Q

queen type of estrus cycle?

A

polyestrus

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22
Q

cow length of estrus cycle?

A

21d

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23
Q

mare length of estrus cycle?

A

21d

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24
Q

ewe length of estrus cycle?

A

17d (range 14-19)

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25
Q

sow length of estrus cycle?

A

21d

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26
Q

bitch length of estrus cycle?

A

16-56 weeks

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27
Q

queen length of estrus cycle?

A

1-3 weeks (if not mated)

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28
Q

cow duration of estrus

A

12-18 hours

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29
Q

mare duration of estrus

A

4-7 days

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30
Q

ewe duration of estrus

A

36 hours

31
Q

sow duration of estrus

A

48-72 hours

32
Q

bitch duration of estrus

A

5-10 d

33
Q

queen duration of estrus

A

3-6 d

34
Q

which domestic species is an induced ovulator (rather than spontaneous)?

A

queen

35
Q

cow time of ovulation

A

4-16h after estrus

36
Q

mare time of ovulation

A

24-48h before end of estrus

37
Q

ewe time of ovulation

A

24h after onset of estrus

38
Q

sow time of ovulation

A

24-42h after onset of estrus

39
Q

bitch time of ovulation

A

6d before diestrus

40
Q

queen time of ovulation

A

25-50h after coitus

41
Q

cow ovulation rate (# of ova)

A

1

42
Q

mare ovulation rate (# of ova)

A

1-3

43
Q

ewe ovulation rate (# of ova)

A

1-5

44
Q

sow ovulation rate (# of ova)

A

10-20

45
Q

bitch ovulation rate (# of ova)

A

3-20

46
Q

queen ovulation rate (# of ova)

A

1-12

47
Q

cow transit time of ovum in oviduct (days)

A

5

48
Q

mare transit time of ovum in oviduct

A

5-6

49
Q

ewe transit time of ovum in oviduct

A

4

50
Q

sow transit time of ovum in oviduct

A

2

51
Q

bitch transit time of ovum in oviduct

A

8

52
Q

queen transit time of ovum in oviduct

A

4-8

53
Q

cow attachment (days)

A

20

54
Q

mare attachment (days)

A

25-56

55
Q

ewe attachment (days)

A

16

56
Q

sow attachment (days)

A

16

57
Q

bitch attachment (days)

A

16-18

58
Q

queen attachment (days)

A

11-14

59
Q

which domestic animals experience pseudopregnancy? how often?

A

mare: occasionally
sow: rare
bitch: always (60-90d)
queen: frequent (6wks avg)

60
Q

cow gestation length

A

278-293

61
Q

mare gestation length

A

330-345 (341 avg)

62
Q

ewe gestation length

A

144-151

63
Q

sow gestation length

A

112-115

64
Q

bitch gestation length

A

63d from ovulation

65
Q

queen gestation length

A

58-68

66
Q

sow birth numbers

A

6-12

67
Q

bitch litter size

A

1-20

68
Q

queen litter size

A

1-8

69
Q

doe length of estrus cycle

A

21d

70
Q

doe duration of estrus

A

30-40h

71
Q

doe time of ovulation

A

12-36 h after onset of estrus

72
Q

doe time for attachment

A

10-11d

73
Q

doe pseudopregnancy

A

frequent

74
Q

doe gestatiomn length

A

147-155

Therio (13 decks)

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