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VetMed Resource

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

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Abstract

Six different experiments were conducted in 3 municipalities in São Paulo and Minas Gerais, Brazil, to evaluate the anti-Boophilus microplus activity of a new pesticide formulation containing chlorpyriphos 50% (emulsifiable concentrate, 10 g/20 litres) and amitraz 50% (wettable powder, 1:1000). The ...

Author(s)
Borges, F. A.; Soares, V. E.; Silva, G. S.; Barufi, F. B.; Oliveira, G. P.; Costa, A. J.
Publisher
A Hora Veterinária, Porto Alegre, Brazil
Citation
A Hora Veterinária, 2005, 24, 144, pp 19-23-23, 4
Abstract

The resistance of Nelore and Canchim cattle to B. microplus was evaluated under natural conditions in São Paulo state, Brazil. 30 animals of each breed were used. 12 counts of engorged female ticks were performed at 28-day intervals on the left flank of each animal. Counts were transformed to Y =...

Author(s)
Oliveira, G. P.; Alencar, M. M.; Freitas, A. R.
Citation
Pesquisa Agropecuária Brasileira, 1989, 24, 10, pp 1267-1271
Abstract

When engorged females of Boophilus microplus (Can.) were allowed to oviposit under field conditions in Brazil, a highly significant relation was found between the body weight of the females and the weight of eggs deposited. The egg production index (the weight of the eggs as a percentage of the...

Author(s)
Oliveira, G. P.
Citation
Cientifica, 7, 2, pp 273-276