Effects of dehydrated cattle manure on growth of layer and laying body weight, egg weight and age

additif aux aliments des animaux aditivos de piensos alimentation des animaux animal feeding chemical composition composition chimique crecimiento croissance eggs farmyard manure feed additives feed conversion efficiency feed intake fumier gain de poids gallina ponedora ganancia de peso growth huevos layer chickens oeuf peso poids poule pondeuse prise alimentaire (animaux) weight weight gain