Mouse reproductive biology:
Become sexually mature at 6-7 weeks
Pregnancy lasts for 19-21 days. Fetuses can be detected using ultrasound or by gentle palpitation of the abdomen by 7-10 days
Most have 10-16 in each litter
Male mice have an obvious scrotum. Can differentiate by looking at the ano-genital distance (larger in males)
What are the average body weights of male and female adult mice?
Male: 20-40g
Female: 25-40g
What is the typical weaning age for mice?
21-28 days