Economical evaluation of the effects of microbiotic preparation Lactiferm on fattened broiler chickens

additif aux aliments des animaux broiler chickens compound feeds consommation alimentaire (animaux) consumo de piensos costos costs engorde engraissement fattening feed additives feed consumption gain de poids ganancia de peso piensos compuestos pollo de engorde poulet de chair precios prices prix weight gain