Effects of fat and rumen-protected methionine supplementation on production response of first-lactation cows

J. Ayala, G. D. Mendoza, J. M. Pinos-Rodriguez, A. Lara and M. T. Sanchez

Acta Agriculturae Scandinavica, Section A - Animal Sciences 60 ( 3 ): 159 - 165 , 2010