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The frequency and intensity of infection of gastrointestinal helminths were studied in 48 female bovines, with different zebu and taurine cross-breeding degrees and aged between 24 and 30 months, from eight counties in northwest São Paulo State, Brazil. The animals were slaughtered at Frigorífico...

Bresciani, K. D. S.; Nascimento, A. A. do; Costa, A. J. da; Amarante, A. F. T.; Perri, S. H. V.; Lima, L. G. F.
Universidade Estadual de Londrina, Londrina, Brazil
Semina: Ciencias Agrárias (Londrina), 2001, 22, 1, pp 93-97