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Abstract

The quantities of chemical acaricides used in Rio Grande do Sul State, Brazil, for the control of Boophilus microplus (Can.) on cattle are given and compared with the usage in Brazil as a whole. The costs of such products are also detailed. From the information available it appears that Rio Grande...

Author(s)
Silva, N. R. S. da
Publisher
EMBRAPA/CNPGC., Campo Grande, Brazil
Citation
De Melo, H. J. H. : Annals of the first national seminar on bovine parasitoses, 23 to 28 July 1979.: Anais do 1o seminario nacional sobre parasitoses dos bovinos, 23 a 28 de julho de 1979., 1979, pp 251-256
Abstract

The condition caused in cattle by infection with Babesia and Anaplasma, alone or in combination, is known in Brazil as 'tristeza'. The occurrence of these infections in Brazil is reviewed from the literature, together with the studies that implicated Boophilus spp. as vectors.ADDITIONAL ABSTRACT:A...

Author(s)
Serra Freire, N. M. da
Publisher
EMBRAPA/CNPGC., Campo Grande, Brazil
Citation
De Melo, H. J. H. : Annals of the first national seminar on bovine parasitoses, 23 to 28 July 1979.: Anais do 1o seminario nacional sobre parasitoses dos bovinos, 23 a 28 de julho de 1979., 1979, pp 271-278
Abstract

The control of babesiasis and anaplasmosis in cattle by means of vaccines is limited by various factors. It is better to maintain a good control of ticks, and to put calves on to infected pastures as early as possible when their resistance is highest and they will become immune. In outbreaks of...

Author(s)
Vilas Novas, J. C.
Publisher
Ministerio da Agricultura., Campo Grande, MS, Brazil
Citation
Proceedings of the 1st National Seminar on bovine parasitoses, 23-28 July 1979, Campo Grande, MS, Brazil.: Anais do I Seminario Nacional sobre parasitoses dos bovinos, 23-28 de julho de 1979, Campo Grande, MS, Brasil., 1979, pp 285-291
Abstract

Author(s)
Bianchin, I.
Publisher
Ministerio da Agricultura., Campo Grande, MS, Brazil
Citation
Proceedings of the 1st National Seminar on bovine parasitoses, 23-28 July 1979, Campo Grande, MS, Brazil.: Anais do I Seminario Nacional sobre parasitoses dos bovinos, 23-28 de julho de 1979, Campo Grande, MS, Brasil., 1979, pp 99-111
Abstract

The efficacy of 12 anthelmintics against adult and immature forms of Fasciola hepatica in sheep is tabulated and notes are given on each anthelmintic. Brief details of anthelmintic treatment of Paramphistomum in sheep and cattle are also given. Moniezia benedeni, M. expansa and Thysanosoma...

Author(s)
Grisi, L.
Publisher
Empresa Brasileira de Pesquisa Agropecuaria, ia, DF, Brasil
Citation
Anais do II Seminario Brasileiro de Parasitologia Veterinaria, Fortaleza, 20-25 Outubro de 1980., 1980, pp 223-234
Abstract

The failure to date to achieve satisfactory control of Boophilus microplus (Can.) on cattle in Brazil is outlined and the reasons for this, which include under-dosing with acaricides and the consequent rapid build-up of resistance in the ticks, are discussed. The need for an official and obligatory ...

Author(s)
Arteche, C. C. P.
Publisher
EMBRAPA/CNPGC., Campo Grande, Brazil
Citation
De Melo, H. J. H. : Annals of the first national seminar on bovine parasitoses, 23 to 28 July 1979.: Anais do 1o seminario nacional sobre parasitoses dos bovinos, 23 a 28 de julho de 1979., 1979, pp 231-249
Abstract

The author reviews the characteristics of the transmission by Boophilus spp. of Babesia spp. and Anaplasma marginale to cattle, with special reference to Brazil, and describes and discusses the epidemiology and symptoms of the disease syndrome, known there as 'tristeza'.ADDITIONAL ABSTRACT:A review ...

Author(s)
Massard, C. L.
Publisher
EMBRAPA/CNPGC., Campo Grande, Brazil
Citation
De Melo, H. J. H. : Annals of the first national seminar on bovine parasitoses, 23 to 28 July 1979.: Anais do 1o seminario nacional sobre parasitoses dos bovinos, 23 a 28 de julho de 1979., 1979, pp 279-283
Abstract

A useful review of anthelmintic usage in sheep and cattle in Brazil is given. A table gives general efficacy rates for 19 anthelmintics against the common nematodes.

Author(s)
Beck, A. A. H.
Publisher
Empresa Brasileira de Pesquisa Agropecuaria, ia, DF, Brasil
Citation
Anais do II Seminario Brasileiro de Parasitologia Veterinaria, Fortaleza, 20-25 Outubro de 1980., 1980, pp 205-221
Abstract

A review is given of the frequency of infection of cattle with Fasciola hepatica in Brazil. According to reports from abattoirs, the infection rate ranges from 0 to 11.8%, but in a survey of the faeces of 475 cattle a rate of 35% has been reported. The snail vectors seem to be Lymnaea columella, L. ...

Author(s)
Rezende, H. E. B. de
Publisher
Ministerio da Agricultura., Campo Grande, MS, Brazil
Citation
Proceedings of the 1st National Seminar on bovine parasitoses, 23-28 July 1979, Campo Grande, MS, Brazil.: Anais do I Seminario Nacional sobre parasitoses dos bovinos, 23-28 de julho de 1979, Campo Grande, MS, Brasil., 1979, pp 133-143
Abstract

The world distribution of Boophilus microplus (Can.) is shown on a map and its habits and importance as a vector of Babesia and Anaplasma are briefly reviewed. The occurrence of the tick in Brazil and the factors leading to periodic epidemics among cattle there are outlined and the costs of the...

Author(s)
Beck, A. A. H.
Publisher
EMBRAPA/CNPGC., Campo Grande, Brazil
Citation
De Melo, H. J. H. : Annals of the first national seminar on bovine parasitoses, 23 to 28 July 1979.: Anais do 1o seminario nacional sobre parasitoses dos bovinos, 23 a 28 de julho de 1979., 1979, pp 191-205

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