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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

A total of 16 Aberdeen Angus calves averaging 145kg liveweight were dosed with albendazole and distributed in two paddocks of 2 ha. previously occupied by 40 steers and 59 heifers with infections of 95% Cooperia nematodes. Paddocks were treated with glycophosfate [glyphosate?] weed killer before...

Author(s)
Suarez, V. H.; Cristel, S. L.; Ahoussou, S.; Bonetti, C. M.
Publisher
Estación Experimental Regional Agropecuaria Anguil (INTA) (EEA), Secretaría de Agricultura, Ganadería y Pesca, Anguil, Argentina
Citation
Boletín de Divulgación Técnica, INTA, 2008, No.94, pp 81-84
Abstract

A total of 10 calves averaging 133 kg liveweight and naturally infected with gastrointestinal nematodes were grazed in three lucerne pastures, at a stocking rate of 3 animals/ha, from February to June 2006. Animals received either (a) no treatment (controls); (b) 200 µg/kg invermectin...

Author(s)
Cristel, S. L.; Suárez, V. H.; Gavella, J. O.
Publisher
Estación Experimental Regional Agropecuaria Anguil (INTA) (EEA), Secretaría de Agricultura, Ganadería y Pesca, Anguil, Argentina
Citation
Boletín de Divulgación Técnica, INTA, 2008, No.94, pp 88-90
Abstract

The adverse effect caused by gastrointestinal nematodes on cattle production in the pampas region, Argentina, is discussed. Use of endectocides (anthelmintics), particularly ivermectin and doramectin, for control of helminth parasites of the digestive tract of cattle is outlined, and negative...

Author(s)
Suárez, V. H.; Corro Molas, B.; Ves Losada, J. C.; Bonetti, C.
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 108-112
Abstract

A study was carried out in 2005 in the pampa region of Argentina to determine resistance to ivermectine (IVM), albendazole (ABZ), ricobendazol (RBZ), and levamisol (LVM). Four groups of 20 heifers were treated with 200 µg/kg of IVM (IVM group), RBZ or ABZ (BZD group), levamisol (LVM group), and a...

Author(s)
Cristel, S. L.; Suárez, V. H.; Bonetti, C.
Publisher
Estación Experimental Regional Agropecuaria Anguil (INTA) (EEA), Secretaría de Agricultura, Ganadería y Pesca, Anguil, Argentina
Citation
Boletín de Divulgación Técnica, INTA, 2006, No.90, pp 157-165

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