Growth, Carcass Quality and Serum Constituents of Slow Growing Chicks as Affected by Betaine Addition to Diets Containing 2. Different Levels of Methionine

Y. A. Attia, R. A. Hassan, M. H. Shehatta and Slawa B. Abd El-Hady

International Journal of Poultry Science 4 ( 11 ): 856 - 865 , 2005