Sources of variance of energy digestibility in corn-soy poultry diets and the effect on performance: Starch, protein, oil and fibre

aliment pour animaux broiler chickens diet dieta digestibilidad digestibility digestibilité energy value feeds ingredientes ingredients ingrédient maize maíz maïs piensos pollo de engorde poulet de chair reino unido royaume-uni régime alimentaire soja soybeans united kingdom valeur énergetique valor energético