Effect of weaning age on nursery pig and sow reproductive performance
نویسندگان
چکیده
Materials and methods: A total of 2467 crossbred barrows and gilts from 339 litters produced in a commercial multiplication herd were randomly allocated to pens by weaning age. Average weaning-age treatments were 15 days (14, 15, and 16 days) and 20 days (19, 20, and 21 days). To evaluate the effect of weaning age on nursery-pig performance, average daily gain (ADG), average daily feed intake (ADFI), gain:feed ratio, and feed cost per kg gain were evaluated. Subsequent sow reproductive performance evaluated included weanto-first-service interval (WSI), wean-toconception interval, total number of piglets born, and total live-born piglets.
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