Genotype x environment interaction in chicken: comparison of four genetic groups on two rearing systems

aliment pour animaux animal husbandry methods animal performance body weight breeds (animals) canal animal carcasse carcasses chickens feed intake feeds gain de poids ganancia de peso genotipos genotypes heterosis performance animale peso corporal piensos poids corporel pollo poulet poultry rearing prise alimentaire (animaux) race (animal) razas (animales) tanzania tanzanie vigueur hybride weight gain