Changes in bacterial community structure , methanogenesis, rumen fermentation and milking performance of dairy cows under grazing in response to a novel Colombian additive

Abstract

The additives are frequently applied to lactating cows to improve milking performance and rumen fermentation efficiency 1 2 T he present study examined the effects of different ways of a additive formulated of native yeast Meyerozyma guilliermondii ( and essential oil from Lippia origanoides Kunth ( from the Alto Patia Nariño, Colombia (Figure 1 on changes in bacterial community structure, methanogenesis, rumen fermentation and milking performance of dairy cows grazing on Cenchrus clandestinus