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This study investigated the presence of helminth parasites in cattle from Jaboticabal, São Paulo, Brazil. Forty Holstein-zebu cattle aged 8-14 months were necropsied, and 17 helminth species were collected. The isolated helminths, and their respective prevalence and intensity were: Haemonchus...

Borges, F. de A.; Silveira, D. M. da; Graminha, E. B. N.; Castagnolli, K. C.; Soares, V. E.; Nascimento, A. A. do; Costa, A. J. da
Universidade Estadual de Londrina, Londrina, Brazil
Semina: Ciencias Agrárias (Londrina), 2001, 22, 1, pp 49-53

62 naturally parasitized beef mixed-breed or Holstein cattle, either 6 to 11 or 48 to 96 months old, were used to assess the efficacy of eprinomectin at 4 geographic locations in the USA (1 each in Arkansas and Idaho and 2 in Missouri) in 1994. Cattle were housed 21 to 27 days before treatment to...

Yazwinski, T. A.; Johnson, E. G.; Thompson, D. R.; Drag, M. D.; Zimmerman, G. L.; Langholff, W. K.; Holste, J. E.; Eagleson, J. S.
American Journal of Veterinary Research, 1997, 58, 6, pp 612-614

Twenty crossbred beef heifer calves were used for an efficacy evaluation of 0.5% moxidectin pour-on against gastrointestinal nematodes and Dictyocaulus viviparus. The latter parasite and Bunostomum phlebotomum were the target species. The calves were exposed to natural infection on pasture from...

Williams, J. C.; Broussard, S. D.; Wang, G. T.
Veterinary Parasitology, 1996, 64, 4, pp 277-283

The therapeutic efficacy of doramectin administered subcutaneously at a dose rate of 200 µg/kg (1 ml/50 kg) was assessed in cattle harbouring natural mixed field infections of gastrointestinal and pulmonary nematodes in Minas Gerais, Brazil. Twenty male 10- to 15-month-old Zebu × Holstein calves...

Lima, J. D.; Muniz, R. A.; Lima, W. dos S.; Gonçalves, L. C. B.; Silva, A. C. da; Guimarães, A. M.
Revista Brasileira de Parasitologia Veterinária, 1995, 4, 1, pp 49-52

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