[The twenty-sixth random sample breeding test of broiler-type poultry, 1991-1992]

animal reproducteur animal reproductor breeding stock breeds broiler chickens consommation alimentaire (animaux) consumo de piensos diet dieta feed consumption france francia laying performance meat yield mortalidad mortalite mortality performance de ponte performance testing pollo de engorde poulet de chair production costs profitability progeny testing pruebas de descendencia pruebas de rendimiento race razas rendement en viande rendimiento en la postura rentabilidad