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1·Gestational period and Suckling period take medicine.

孕期和哺乳期服用。

2·Sows were secondly weighted in the end of Suckling period, and weightlessness was observed.

哺乳期结束后再称取母猪的体重，观察其失重。

3·However, a heavy pig at weaning can originate because it was inherently heavier at birth or because, it received preferential management and nutrition during the Suckling period.

然而，断奶体重大的仔猪可能是由于它的初生重大，也可能是它在哺乳期得到了更好的管理和营养。