We have always had a challenge to maintain pre-weaning growth rates in the early post-weaningperiod 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。
2
It is hardly surprising that with such social and nutritional stress the pig generally suffers a growth check in the immediate post-weaningperiod.
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。
3
The parents whose children were in the weaningperiod and had practice of switching milk were investigated by questionnaire and partial structured interview.