Implications of supplementing mid-lactation multiparous Holstein cows fed high by-product low-forage diets with rumen-protected methionine and lysine in a commercial dairy oleh M.B. Abreu, A. Valldecabres, M.I. Marcondes, A. Correa, N.E. Lobos, C.B. Peterson, D. Atwell, N. Silva-del-Rio