Effect of active dry yeast on lactation performance, methane production, and ruminal fermentation patterns in early-lactating Holstein cows
Yan Li, Yizhao Shen, Jiankang Niu, Yanfei Guo, Mirielle Pauline, Xiaojing Zhao, Qiufeng Li, Yufeng Cao, Chongliang Bi, Xiujiang Zhang, Zhonghua Wang, Yanxia Gao, Jianguo Li
Abstract
production was observed when expressed as grams per kilogram of fat-corrected milk and digested neutral detergent fiber. In conclusion, feeding ADY to early-lactating cows improved lactation performance by increasing nutrient digestibility. The optimal ADY dose should be 20 g/d per head.
Topics & Concepts
LactationMilk productionFermentationAnimal scienceBiologyYeastHolstein CattleDairy cattleAgronomyFood scienceBiochemistryPregnancyGeneticsRuminant Nutrition and Digestive PhysiologyGenetic and phenotypic traits in livestockReproductive Physiology in Livestock