(1) Sows were tested with adult boars about three weeks after the breeding and the performance was observed.
(2) Observe whether the sow vulva is red and swollen, if the diet is abnormal, and if the behavior is disturbed, such as estrus symptoms.
(3) Sowed sows are in principle subject to two periods of love (42) days. Beware of missed sows.
(4) If you are not sure, you should use a pinpoint of acupuncture. If you do not have an estrus, you will determine abortion.
Palm Recognition Access Control
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