Flushing sows-meaning

Flushing sows is a feeding strategy that ensures reproductive success. It involves of overfeeding sows for one or two weeks prior to the insemination to optimize the ovulation leading increase the number, size and reduce mortality of piglets per sow.

 The mechanism of action underlying the Flushing technique consists of increased secretion of follicle stimulating hormone (FSH) and increased frequency of luteinizing hormone (LH) pulses, which stimulate the quality (size and uniformity) and number of oocytes.

The Flushing diet should contain not only a greater energy intake, but also a greater number of vitamins and minerals, such as Vit. A Vit E, Vit. 12, cobalt and Chromium, as they have shown to have a positive effect on reproduction.

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