Using Nitrovin in fattening: the effect on the development of Marek's disease in chickens

application rates bazo broiler chickens carne de pollo chicken meat coeur contenido de materia seca contenido proteico dose d'application dry matter content enfermedad de marek foie gain de poids ganancia de peso growth rate heart lipid content liver maladie de marek pollo de engorde poulet de chair promoteur de croissance protein content rate spleen taux de croissance teneur en lipides viande de poulet weight gain