@@The piglet suckling period shortened from 3–4 to 2–3 weeks can increase the potential of sow reproduction and decline the pathogens transmission from sow to the piglets (1). However, weaning, especially early weaning profoundly influences intestinal morphology and function of pigs. Upon weaning, the digestive system of pigs has to adapt to a dry diet instead of sow milk. Therefore, early weaned stress becomes a serious problem in pig production.
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