[To avoid feet and leg problems of young sows - but how?]

affection podale animal husbandry caillebotis case de mise bas cerdas cleaning debilidad de las patas disinfection enfermedades de los pies faiblesse des pattes farrowing pens foot diseases genetic inheritance leg weakness limpieza movement disorders nettoyage physical activity piglets porcelet rearing techniques slatted floors sows suelo emparrillado trouble locomoteur truie