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COW AND MOUSE PHYSIOLOGY
15
FROM A REPRODUCTION PERSPECTIVE
Characteristic
Mouse
Cow
Human
Similarities cow and human cycle and pregnancy
Ovulation rate
Polyovulatory
Monovulatory
Monovulatory
Cycle length
4-6 days
21 days
28 days
Pregnancy duration
19-21 days
280 days
266 days
Life span
1-2 years
20-30 years
80 years
Similarities mouse and human placentation
Implantation
Day 4-5
Day 19
Day 7
Placenta macroscopic
Discoid
Cotyledonary
Discoid
Placenta microscopic
Hemochorial
Synepitheliochorial
Hemochorial
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