Sole haemorrhages in tied primiparous cows as an indicator of periparturient laminitis: effects of diet, flooring and season

affection podale alojamiento de animales animal housing claws concentrates cows diet dieta enfermedades de los pies floors foot diseases garras haemorrhage hemorragia logement des animaux onglon piensos concentrados pisos plancher seasonal variation vaca vache