Different combinations of antibacterial materials supplementa-tion in calf pellets: Effects on growth performance, health, blood parameters and rumen microbiota of dairy calves

This research aimed to investigate the effects of different combinations of antibacterial materials (attapulgite, plant essential oils and Chitosan oligosaccharide) on growth performance, blood biochemical parameters, and rumen microbiota of lactating calves. A total of 48 lactating calves were randomly divided into 4 groups, 12 in each group