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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

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

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
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
Abstract

Information on the toxicity of doramectin and other avermectins is reviewed, including the mechanism of toxicity in dogs and cattle and relative sensitivities of mice, rats, rabbits, dogs and non-human primates to avermectins. The relative potencies of doramectin, ivermectin and abamectin and...

Author(s)
Chamberlain, P. L.
Publisher
World Health Organization, Geneva, Switzerland
Citation
WHO Food Additives Series, 2002, No.49, pp 3-10
Abstract

Mastitis is first described and an experiment is recorded in which a herd of dairy cattle was formed of 26 " ceased reactor " cows and 14 unbred negative reacting heifers. During two years no case of Brucella abortus infection occurred, indicating that the " ceased reactor " cows were not a danger. ...

Citation
Bull. Univ. Wis. Sci. Ser., 1934, 428, pp 1-8 pp.

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