Partial replacement of dicalcium phosphate with phosphatic fertilizers in commercial broiler and WL layer diets

abonos fosfatados alimentation des animaux animal feeding ash content blood serum bones broiler chickens calcio calcium contenido de ceniza feed intake fosforo gain de poids gallina ponedora ganancia de peso huesos layer chickens laying performance os performance de ponte phosphate fertilizers phosphore phosphorus pollo de engorde poule pondeuse poulet de chair prise alimentaire (animaux) teneur en cendres weight gain