Rat Reproduction - Anatomy & Physiology

BACK TO REPRODUCTIVE SYSTEM BACK TO SMALL DOMESTIC MAMMALS

Male

• Sexually mature at 6-8 weeks.

, mice 19-21d, delayed if lactating.

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Female

• Non-seasonal polyoestrus
• Oestrus cycle 4-5 days.
• Duration of oestrus is ~14 hours.

• Gestation length is 20-22 days.

• Ejaculate plug forms in the vagina.