Reproductive Biology Flashcards
Number of sows that can be mated to one boar when mating in a harem:
80-90 sow
60-70 sow
20-30 sow
40-60 sow
60-70 sow
Birth weight of lamb
3,0-5,5 kg
2,5-5,0 kg
1.5-4.0 kg
1,5-2,0 kg
1.5-4.0 kg
Typical number of kittens in a litter:
1-2 kitten
4-10 kittens
10-12 kitten
4-10 kittens
Sexual (and breeding) maturity of pigs:
12-21 month
5-6 (8-9) month
3-12 month
8-14 month
5-6 (8-9) month
Typical number of offspring in horse:
3
2
1
1
Sexual (and breeding) maturation of the goose:
35-38 (40-45) week
30-35 (40-45) week
35-38 (50-55) week
25-28 (30-35) week
35-38 (40-45) week
Gestation length in sows:
120 day
110 day
105 day
114 day
114 day
Ideal (expected) reproduction (reproductive performance) of poultry:
-hatchable proportion of the annual number of breeding eggs produced (approx. 55%)
-hatchable proportion of the number of breeding eggs produced per year (approx. 80%)
-hatchable proportion of the number of breeding eggs produced per year (approx. 60%)
-hatchable proportion of the number of breeding eggs produced per year (approx. 40%)
hatchable proportion of the number of breeding eggs produced per year (approx. 80%)
Ideal (expected) reproduction (reproductive performance) of a horse:
3-4 foals every four years
2-3 foals every four years
2 foals per year
2-3 foals every two years
2-3 foals every four years
The number of mothers that can be inseminated from the ejaculate of a bull in diluted fresh semen and artificial insemination (AI):
5-15(20-100) cows
25-35 (80-300) cows
15-20 (50-200) cows
35-40(60-250) cows
15-20 (50-200) cows
Birth weight of a calf
35-65 kg
25-50 kg
8-25 kg
15-35 kg
25-50 kg
Gestation length in bitches:
53 day
63 day
66 day
59 day
63 day
Gestation length in ewe:
160 day
140 day
150 day
130 day
150 day
Typical litter size of swine:
6-18 (8-14)
6-14 (8-10)
6-14 (8-10)
6-18 (8-14)
Gestation period in female chinchillas:
111 (108-114)
115 (108-114)
113 (108-114)
109 (107-111)
111 (108-114)
Gestation length in female red and Arctic foxes:
54-56 day
48-50 day
52-54 day
50-52 day
52-54 day
The heritability (h2) of the horse’s performance in competition:
0.4-0.5
0.5-0.6
0.2-0.3
0.3-0.4
0.2-0.3
Sexual (and breeding) maturity of the horse:
26-28 month (3-5 year)
16-18 month (3-5 year)
13-15 month (2-4 year)
13-14 month (3-4 year)
16-18 month (3-5 year)
Ideal (expected) reproduction (reproductive performance) of sheep:
-three lambings every four years, 6-8 lambs
-three lambings every three years, 3-6 lambs
-three lambing every two years, 3-6 lambs
-two lambings a year, 2-4 lambs
three lambing every two years, 3-6 lambs
Ideal (expected) reproduction (reproductive performance) of a rabbit:
-10 litters a year, 70-90 rabbits
-two litters a year, 10-20 rabbits
-5 litters a year, 50-60 rabbits
-eight litters a year, 50-80 kittens
eight litters a year, 50-80 kittens
Sexual (and breeding) maturation of the laying hen:
8-13 (11-13) week
18-20 (22-24) week
3-6 (4-9) week
12-16 (16-18) week
18-20 (22-24) week
Number of mothers that can be inseminated from the ejaculate of a ram, buck in diluted fresh semen and artificial insemination (AI):
20-25 (20-30) yerks, ewe
5-10 (15-20) yerks, ewe
10-15 (20-30) she-hogget, ewes
30-35 (20-30) yerks, ewe
10-15 (20-30) she-hogget, ewes
Number of mothers that can be paired with a rabbit buck when mating in a harem:
10-20 mother
40-60 mother
20-40 mother
50-70 mother
10-20 mother
Sexual (and breeding) maturation of turkey bucks:
34-36 (38-40) week
14-16 (18-20) week
20-22 (25-28) week
24-26 (28-30) week
24-26 (28-30) week
Birth weight of a piglet
3,2-4,0 kg
2,2-3,5 kg
1.2-2.0 kg
4,2-5,0 kg
1.2-2.0 kg
Number of mares that can be inseminated from the ejaculate of a stallion in diluted fresh semen and artificial insemination (AI):
10-13 (25-30) mares
5-8 (15-20) mares
15-20 (25-30) mares
25-30 (25-40) mares
5-8 (15-20) mares
Gestation length in rabbit:
28 day
30 day
31 day
29 day
31 day
Sexual (and breeding) maturation of the meat-type hen:
22-24 (25-26) week
22-24 (25) week
22-24 (25) week
22-24 (25) week
22-24 (25-26) week
Number of mothers that can be inseminated from the ejaculate of one boar -boar in diluted fresh semen insemination (AI)-:
25-30 sows
10-15 sows
30-35 sows
20-25 sows
10-15 sows
Birth weight of a puppy
700-1800 g
100-700 g
500-1500 g
200-1000 g
200-1000 g
Number of mares that can be mated to a stallion when mating in a harem:
45 (40-50) mares
30 (40-50) mares
20 (30-40) mares
40 (50-60) mares
30 (40-50) mares
Number of dams that can be mated to a ram when mating in a harem:
200 (210-220) mother
60 (70-80) mother
150 (160-170) mother
50 (60-70) ewes
50 (60-70) ewes
Typical number of offspring in rabbit:
10-16 little rabbits
4-12 little rabbits
2-4 little rabbits
4-12 little rabbits
Number of eggs that can be fertilised from the ejaculate of a cock, goose or gosling using diluted fresh semen (AI):
20-25 eggs
10-20 eggs
3-7 eggs
5-10 eggs
10-20 eggs
Typical number of offspring in cattle:
2 (rarely twins, Fremartinism)
3 (rarely twins, Fremartinism)
1 (rarely twins, Freemartins)
1 (rarely twins, Freemartins)
Gestation length in cows:
285 day
280 day
275 day
290 day
285 day
Sexual (and breeding) maturity of the cat:
3-6 (4-9) month
8-13 (11-13) month
12-16 (16-18) month
6-8 (7-12) month
6-8 (7-12) month
Gestation length in the horse:
345 day
340 day
335 day
350 day
335 day
Sexual (and breeding) maturation of the duck:
15-18 (after sexual maturity 2-4.) week
25-30 (after sexual maturity 2-4.) week
18-26 (after sexual maturity 2-4) week
30-35 (after sexual maturity 2-4.) week
18-26 (after sexual maturity 2-4) week
Gestation length in donkeys:
365 day
360 day
370 day
340 day
360 day
Number of mothers that can be paired to a cock, goose or gosling when mating in a harem:
15-20 layer
8-15 layers
25-30 layer
20-25 layer
8-15 layers
Sexual (and breeding) maturation of the Muscovy duck:
40 week
33 week
42 week
30 week
30 week
Sexual (and breeding) maturity of sheep and goat:
10-12 (14-16) month
8-12 (7-12) month
6-8 (7-12) month
12-14 (16-18) month
6-8 (7-12) month
Typical litter size of dogs:
Choose one
2-12 (6-8)
2-20 (6-8)
1-2 (3-4)
2-12 (6-8)
Ideal (expected) reproduction (reproductive performance) of a goat:
4-6 kids per year
1-2 kids every two years
4 kids per year
3-4 kids per year
4-6 kids per year
Ideal (expected) reproduction (reproductive performance) of pigs:
3 farrowings per year, 20-25 pigs
2.2 farrowing per year, 25-30 weaned piglets
1 farrowing per year, 10-14 pigs
4 farrowings per year, 25-35 pigs
2.2 farrowing per year, 25-30 weaned piglets
Gestation length in female cats:
62 day
61 day
64 day
63 day
61 day
Number of females that can be mated to a bull when mating in a harem:
40-50 (60-70) cows
70-80 (80-90) cow
60-70 (70-80) cow
30-40 (50-60) cow
40-50 (60-70) cows
Typical number of offspring in goat:
1
2 (4)
4-(5)
2 (4)
Sexual (and breeding) maturation of turkey layers:
16 (28-30) week
20(38-35) week
26(38-40) week
30(38-40) week
16 (28-30) week
Sexual (and breeding) maturity of cattle:
15-16 month (25-30) month
9-12 month (15-24) month
3-5 month (15-24) month
6-10 month (15-24) month
9-12 month (15-24) month
Ideal (expected) reproduction (reproductive performance) of cattle:
one and a half calves per year
three calves per year
one calf per year
four calves every three years
one calf per year
Birth weight of a foal
20-40 kg
30-70 kg
8-15 kg
10-30 kg
20-40 kg
Sexual (and breeding) maturity of the dog:
6-9 (7;12, third heat!) month
3-6 (4-9, third heat!) month
8-13 (11-13, third heat!) month
12-16 (16-18, third heat!) month
6-9 (7;12, third heat!) month