This study was to compare the estimates of basal endogenous losses(BEL)of amino acids(AA)determined by 3 methods including feeding a nitrogen-free diet(NFD)or a low-casein diet(LCD,containing casein at 30 g/kg diet)or...
funds from the National Key Basic Research Program of China ("973"project, No. 2011CB100803);the Top Talent Support Plan from Yangzhou University (2016);National Science and Technology Support Program (Grant No. 2012BAD12B02-2);the Priority Academic Program Development of Jiangsu Higher Education Institutions(PAPD)
The purpose of this study was to determine effects of jugular infusion of either balanced or imbalanced amino acid mixture on milk production and composition in dairy cows. Eight mid-lactation Holstein cows were rando...