title: Chongming white goats  gut microbiota
design: To study the effect of weaning age on the gut microbiota diversity in the lambs of Chongming white goats, fresh feces from the lambs weaned at 30, 45, and 60 day of age were collected on 3 days after weaning (at 33, 48, and 63 day of age) for bacterial composition analysis by 16S rRNA sequencing.