The effects of different vitamin mixtures on growth performance, rumen fermentation parameters, serum metabolites, and heat stress biomarkers in Hanwoo heifers under high temperature-humidity condition.
Objective Heat stress impairs feed intake, metabolic balance, and productivity in cattle, and nutritional strategies are needed to maintain productivity under hot conditions. This study evaluated the effects of two complete commercial vitamin premixes on growth performance, rumen fermentation, blood profiles, and stres...