Milk yield and blood urea nitrogen in crossbred cows grazingLeucaena leucocephalain a silvopastoral system in the Mexican tropics

[摘要] The aim of the study was to assess milk yields, estimate the intake of crude protein (CP) and determine the concentrations of blood urea nitrogen (BUN) in early post-partum crossbred cows grazing irrigatedLeucaena leucocephala(leucaena) in a silvopast

[学科分类] 农艺学与作物科学