weaning period diet 断乳期饮食
We have always had a challenge to maintain pre-weaning growth rates in the early post-weaning period and this challenge is now even greater.
在断奶初期保持断奶前增长率的问题一直在向我们挑战，目前这个挑战更大。
It is hardly surprising that with such social and nutritional stress the pig generally suffers a growth check in the immediate post-weaning period.
在这样的社会和营养的双重激下，仔猪断奶后短期内生长性能抑制，就不足为奇了。
The parents whose children were in the weaning period and had practice of switching milk were investigated by questionnaire and partial structured interview.
对处于换乳期并有换乳行为的母乳喂养儿父母进行问卷及半结构访谈调查。
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