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VetMed Resource

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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

Tick burdens on heifers and cows of 6 Red-and-White Holstein × Guzerat grades having 1/4-, 1/2-, 5/8-, 3/4-, 7/8- or ≥ 31/32- Holstein blood were assessed by counting the number of semi-engorged female ticks on the right side of the animals. Assessments of tick burdens of heifers were made on 2...

Author(s)
Lemos, A. M.; Teodoro, R. L.; Oliveira, G. P.; Madalena, F. E.
Citation
Animal Production, 1985, 41, 2, pp 187-191