State;
Key;
Laboratory;
of;
Reproductive;
Biology,;
Institute;
of;
Zoology,;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100080,;
China;
State;
Key;
Laboratory;
of;
Reproductive;
Biology,;
Institute;
of;
Zoology,;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100080,;
China;
State;
Key;
Laboratory;
of;
Reproductive;
Biology,;
Institute;
of;
Zoology,;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100080,;
China;
State;
Key;
Laboratory;
of;
Reproductive;
Biology,;
Institute;
of;
Zoology,;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100080,;
China;
State;
Key;
Laboratory;
of;
Reproductive;
Biology,;
Institute;
of;
Zoology,;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100080,;
China;
State;
Key;
Laboratory;
of;
Reproductive;
Biology,;
Institute;
of;
Zoology,;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100080,;
China;