现在我们应该考虑关于仔猪断奶后管理和营养实践的已有知识。

Now is an opportune time to take stock of what we have learned about good post-weaning management and nutrition practices with this goal in mind.

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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。

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.

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现在食品和药物管理局提出的指南旨在减少儿童食品中脂肪、糖和盐的含量，增加更多营养成分。 这一指南尚未最终确定，似乎已经有相似效果。

Now the administration's proposed guidelines — designed to reduc fat, sugar and salt

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