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The comparative results are given for tracer and permanent beef cattle during a 2-year epidemiological study in the Cerrado region of central Brazil. Two animals from each category were slaughtered monthly from June 1987 to May 1989. During the first year, faecal samples were collected from the...

Honer, M. R.; Bianchin, I.; Do Nascimento, Y. A.
Revista Brasileira de Parasitologia Veterinária, 1992, 1, 2, pp 97-103