. Also, feed composition was standardized for all participating farms fixing maximum and minimum inclusion rates for the different feed ingredients (National Research Council (USA). Subcommittee on Poultry Nutrition, 1994) (Table 1).
. Also, feed composition was standardized for all participating farms fixing maximum andminimum inclusion rates for the different feed ingredients (National Research Council (USA). Subcommittee on Poultry Nutrition, 1994) (Table 1).