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Effect of rumen-protected methionine, lysine or both on milk production and plasma amino acids of high-yielding dairy cows
amino acids rumen protection dairy cow
2015/6/8
The objective of this study was to determine the effect of supplemental lysine (Lys), methionine (Met) or both amino acids added in the form of rumen-protected (RP) tablets with copolymer coating to a...
Effect of duodenal infusions of leucine on milk yield and plasma amino acids in dairy cows
leucine duodenal infusion milk plasma amino acids dairy cow
2015/6/8
Four high-yielding lactating Holstein cows fitted with duodenal cannulas were used in the experiment. Cows were divided into 2 groups – control (Control) with leucine deficiency and experimental (Leuc...