作者: Fábio Raphael Pascoti Bruhn , Fidelis Antônio Silva Júnior , André Henrique de Oliveira Carvalho , Débora Ribeiro Orlando , Christiane Maria Barcellos Magalhães da Rocha
DOI: 10.1590/S1984-29612012000200019
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摘要: The aim of this cross-sectional observational study was to determine the frequency and factors associated with infection by Eimeria spp. gastrointestinal nematodes in 356 calves on 20 dairy farms located southern Minas Gerais, Brazil. Ten species were identified, which E. bovis (37.6%) zuernii (17.9%) most frequent. From fecal cultures, four genera recovered, Cooperia (74.6%) Haemonchus (19.4%) Variables relating higher levels technology used showed a significant association (p < 0.05) OPG EPG counts, are discussed study.