Continuous disinfection as a means to control infectious diseases in poultry. Evaluation of a continuous disinfection programme for broilers

afrique du sud agua potable broiler chickens control de enfermedades contrôle de maladies desinfección disease control disinfection drinking water désinfection eau potable enfermedades infecciosas feed intake growth rate housing infectious diseases ingestión de piensos logement maladie infectieuse monitoring pollo de engorde poulet de chair prise alimentaire (animaux) south africa sudáfrica surveillance taux de croissance vigilancia vivienda índice de crecimiento