Yeast as a direct-fed microbial for neonatal calves

A review of yeast as a direct-fed microbial and the effects that it may have on calf performance. In most dairy production systems, the greatest proportion of morbidity and mortality occurs among pre-weaned calves. In North America alone, the most recent records of calf morbidity and mortality rates were 34.9 and 6.4%, respectively. More than half of the recorded mortalities were due to enteric infections, which are mainly caused by pathogenic organisms. Calves predisposed to infection Enteric