[Protein and pre-starters: the level often is too much high [piglets; animal health; weight gain]]

aliment pour animaux alimentación de los animales alimentation des animaux alimentazione zootecnica alimenti per gli animali animal feeding animal health besoin nutritionnel body weight contenido proteico contenuto proteico crude protein diarrea diarrhoea diarrhée feed intake feeds gain de poids ganancia de peso higiene veterinaria hygiène vétérinaire igiene veterinaria incremento di peso ingestione alimentare (animali) ingestión de piensos lechón lisina lysine necesidades de nutrientes nutritional requirements nutritive value periodo postsvezzamento período postdestete peso corporal peso corporeo piensos piglets poids corporel porcelet postweaning period prise alimentaire (animaux) protein content proteina bruta protéine brute période après sevrage raciones ration rations razioni salute degli animali sanidad animal santé animale suinetti teneur en protéines valeur nutritive valor nutritivo valore nutritivo veterinary hygiene weight gain