Small Mammal Reproduction Statistics Flashcards
1
Q
Rats
A
Estrus Cycle Length: Every 4-5 days Gestation Period: 21-23 days Litter Size: up to 18 pups Weaning Times: 21-28 days Sexual Maturity: 6-8 weeks Altricial vs. Precocial: Altricial Lifespan: 2-4 years
2
Q
Hamsters
A
Estrus Cycle Length: 4-5 days Gestation Period: 15-18 days Litter Size: 4-12 pups Weaning Times: 21 days Sexual Maturity: 4-5 weeks Altricial vs Precocial: Altricial Lifespan: 18-36 months
3
Q
Gerbils
A
Estrus Cycle Length: 4-5 days Gestation Period: 24-26 days Litter Size: 2-6 pups Weaning Times: 4 weeks Sexual Maturity: 7-12 weeks (females earlier than males) Altricial vs Precocial: Altricial Lifespan: 3-5 years
4
Q
Guinea Pigs
A
Estrus Cycle Length: 16 days Gestation Period: 68 days Litter Size: 3-4 young Weaning Times: 14-21 days Sexual Maturity: 4-6 weeks (females) 9-10 weeks (males0 Altricial vs Precocial: Precocial Lifespan: 4-8 years
5
Q
Chinchillas
A
Estrus Cycle Length: Every 28-35 days Gestation Period: 111 days Litter Size: 2-3 young Weaning Times: 8-10 weeks Sexual Maturity: 4-12 months Altricial vs Precocial: Precocial Lifespan: 14-20 years
6
Q
Rabbits
A
Estrus Cycle Length: 5-6 days Gestation Period: 28-35 days Litter Size: 4-6 kits Weaning Times: 5-6 weeks Sexual Maturity: 4-8 months (females) 5-10 months (males) Altricial vs Precocial: Altricial Lifespan: 8-12 years
7
Q
Ferrets
A
Estrus Cycle Length: Seasonal/Induced Gestation Period: 39-42 days Litter Size: 1-18 kits Weaning Times: 5-7 weeks Sexual Maturity: 4-8 months Altricial vs Precocial: Altricial Lifespan: 5-7 years
8
Q
Mice
A
Estrus Cycle Length: Every 4-5 days Gestation Period: 19-21 days Litter Size: 8-12 pups Weaning Times: 21-28 days Sexual Maturity: 6-8 weeks Altricial vs. Precocial: Altricial Lifespan: 1-3 years
