Ideal Ratios of Isoleucine, Methionine, Methionine Plus Cystine, Threonine, Tryptophan, and Valine Relative to Lysine for White Leghorn-Type Laying Hens of Twenty-Eight to Thirty-Four Weeks of Age

Autor: Bregendahl, K. *, 1, Roberts, S.A. *, Kerr, B. , Hoehler, D.
Zdroj: In Poultry Science 1 April 2008 87(4):744-758
Databáze: ScienceDirect