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VetMed Resource

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Abstract

Problem of development of drug resistance in nematode parasites in sheep worldwide and in South America, the concept of resistance, as well as genetics and mechanisms of resistance are considered. Changes in antihelmintic resistance status and possibility of reversion of resistance by introduction...

Author(s)
Suárez, V. H.
Publisher
EEA Anguil "Ing.Agr. Guillermo Covas" - INTA, Anguil, Argentina
Citation
Publicación Técnica - INTA, 2007, No.70, pp 85-106
Abstract

First cases of resistance of Cooperia pectinata and C. oncophora to avermectins were detected in Argentina in 2001. Spread of resistance to anthelmintics in various parts of the pampas region is outlined. Differences in anthelmintics resistance in helminth parasites of cattle and sheep are...

Author(s)
Humberto Suárez, V.; Cristel, S. L.
Publisher
Estación Experimental Regional Agropecuaria Anguil (INTA) (EEA), Secretaría de Agricultura, Ganadería y Pesca, Anguil, Argentina
Citation
Boletín de Divulgación Técnica, INTA, 2005, No.88, pp 98-101
Abstract

Nematodirus spp. is reported as the main nematode species causing clinical symptoms and economic losses and adapted to the humidity and temperature conditions of the Patagonia region, Argentina. Data are tabulated on the number of sheep, cattle, goats, guanacos, horses and pigs in Patagonia in...

Author(s)
Olaechea, F. V.
Publisher
EEA Anguil "Ing.Agr. Guillermo Covas" - INTA, Anguil, Argentina
Citation
Publicación Técnica - INTA, 2007, No.70, pp 71-84