Effects of FD777 and Extract on Performance, Immunity, Gastrointestinal System Microbiome, and Profitability in Holstein Calves.

This study was performed to determine the effects of dietary supplementation of FD777 (BA) and extract (MCE) on the performance, morbidity and mortality rates, body measurements, immunity, rumen parameters, antioxidant parameters, microbiome level, and profitability of calves during the pre-weaning period. In the study, 51 calves were divided into three groups as one control and two treatment groups considering their age (1 day old), gender (nine females and eight males in each group), and birth weight (37.7 ± 0.