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VetMed Resource

Veterinary information to support practice, based on evidence and continuing education

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Abstract

A total of 80 animals were studied during 4 rainy seasons (October to April) from 1991-95 (Brazil). Treatments against H. irritans were conducted. Despite the low number of flies per cattle, there was a significant liveweight gain (P<0.05) in favour of the treated groups than in the control groups.

Author(s)
Bianchin, I.; Koller, W. W.; Alves, R. G. de O.; Detmann, E.
Publisher
Centro de Ciências Rurais, Universidade Federal de Santa Maria, Santa Maria, Brazil
Citation
Ciência Rural, 2004, 34, 3, pp 885-890
Abstract

Horn fly (Haematobia irritans) is one of the most important Brazilian cattle ectoparasites. To obtain a better knowledge of their seasonal population dynamics, fly counts were obtained every 14 days among 7 to 30 months old beef cattle, from winter 1996 to summer 2002. An increase in horn fly...

Author(s)
Bianchin, I.; Koller, W. W.; Detmann, E.
Publisher
Colégio Brasileiro de Patologia Animal, Rio de Janeiro, Brazil
Citation
Pesquisa Veterinária Brasileira, 2006, 26, 2, pp 79-86