a mare in oestrus .
发情期的母马。
The sows of natural oestrus ovulated more swiftly than the superovulation, and the embryo quality of nature was better.
超数排卵影响胚胎的质量，自然发情母猪较超数排卵母猪排卵较快，且胚胎质量较好。
a mare in oestrus .
发情期的母马。
The sows of natural oestrus ovulated more swiftly than the superovulation, and the embryo quality of nature was better.
超数排卵影响胚胎的质量，自然发情母猪较超数排卵母猪排卵较快，且胚胎质量较好。
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