Some nutritional and metabolic aspects of calves maintained under two different dietary protein and experimentally infected with Haemonchus placei - Abdalla, Adibe Luiz; Gennari, Solange Maria; Vitti, Dorinha Miriam Silber Schmidt; Meirelles, Cyro Ferreira; Takahashi, Seiji (Brazilian Journal of Veterinary Research and Animal Science, 1996)