Sometimes, the sows do not return to their mothers after mating, and they are ready for delivery. All the performances before the delivery (such as the breasts starting to increase and milk can be extruded, etc.) are shown, but no piglets are born. We call this sow a pseudopregnancy. This happens when the sow is half a month pregnant. Usually, 1 month and a half ago, she suffered from strong irritants or reproductive disorders, resulting in fertilized eggs being Absorption, but the pregnancy program has been started, it will go on, so there are all kinds of pregnancy performance. Injection of cloprostenol 2~3ml can terminate the pseudopregnancy promptly.
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