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Flashcards in Reprod Deck (38)
1

Sheep ovarian cycle

17-18 days

2

Goat ovarian cycle

19-23 days

3

Dog ovarian cycle

4-11 months

4

Cat ovarian cycle

Alternate
14-21 days ovulatory
Anovulatory

5

Cattle ovarian cycle

20-21 days

6

Horse ovarian cycle

20-21 days

7

When do hens start laying eggs

22 weeks

8

When do turkeys start laying eggs

34 weeks

9

Sheep heat duration

30 hrs

10

Goat heat duration

36-36 hrs

11

Cattle heat duration

24.48 hrs

12

Dog heat duration

1,5-2 weeks?

13

Cat heat duration

Induced ovulator

14

Dog seasonality

Mono- or di-estrus
ø true seasonality

15

Cat seasonality

Seasonal polyestrus

16

Horse seasonality

Seasonally polyestrus

17

Cattle seasonality

Polyestrus, no seasonality

18

Swine seasonality

(Seasonal) polyestrus

19

Swine heat duration

2-3 days

20

Sheep seasonality

Seasonal polyestrus (8-10 cycles)

21

Goat seasonality

Seasonal polyestrus (8-10 cycles)

22

Dog gestation

60-65 days

23

Cat gestation

63 days

24

Cattle gestation

280 days

25

Horse gestation

336 days

26

Sheep gestation

145-150 days

27

Goat gestation

150 days

28

Dog maturity

6-12 months depending on breed

29

Cat maturity

Queen 9 months
Tom 12 months

30

Cattle maturity

12-16 months

31

Swine gestation

115 days (3 months, 3 weeks, 3 days)

32

Horse maturity

16-18 months, mature 3-5 yrs

33

Sheep maturity

8 months

34

Goat maturity

8 months

35

Milk yield and composition
Holstein
Jersey
Brown swiss

H: 3.5, 3.1, 4.9 (8000-12 000kg)
J: 5.5, 3.9, 4.9 (5400 kg)
BS: 4.0, 3.6, 5.0 (9000 kg)

36

Milk yield and composition
Sheep

5.3
5.5
4.6
150-500 kg/yr

37

Milk yield and composition
Goat

3.5
3.1
4.6
660-1800 kg/yr

38

Milk composition
Horse

1.6
2.7
6.1