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dc.contributor.author
Fazzio, Luis Emilio
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dc.contributor.author
Sánchez, Ricardo O.
dc.contributor.author
Streitenberger, Nicolás
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dc.contributor.author
Galvan, Walter Ruben
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dc.contributor.author
Giudici, Claudio J.
dc.contributor.author
Gimeno, Eduardo Juan
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dc.date.available
2018-02-26T21:36:05Z
dc.date.issued
2014-12
dc.identifier.citation
Fazzio, Luis Emilio; Sánchez, Ricardo O.; Streitenberger, Nicolás; Galvan, Walter Ruben; Giudici, Claudio J.; et al.; The effect of anthelmintic resistance on the productivity in feedlot cattle; Elsevier Science; Veterinary Parasitology; 206; 3-4; 12-2014; 240-245
dc.identifier.issn
0304-4017
dc.identifier.uri
http://hdl.handle.net/11336/37197
dc.description.abstract
The aim of this study was to evaluate, in a commercial feedlot, the effect of different anthelmintic drugs on the productivity of naturally infected calves from a cow-calf operation, where resistance to ivermectin (IVM) has been previously detected. The study began with the random selection of 80 calves whose weight was 132 ± 12. kg. Four groups were made: IVM, ricobendazole (RBZ), ricobendazole plus levamisol (RBZ + LEV) and a control group (CG) without treatment. On days 0, 21, 42, 70, 98 and 126, manual collection of fecal matter and individual weight were registered. Mixed SAS procedure was used for statistical analysis. The percentages of fecal egg count reduction test (FECRT) calculated 21days post treatment (PT) were 18%, 96% and 100% for the IVM, RBZ and RBZ + LEV groups, respectively. Body weight (± SEM) at the end of the trial was 266. kg (±0.9), 269. kg (±1.1), 276. kg (±1.3), 280. kg (±1.9) for CG, IVM, RBZ and RBZ + LEV groups, respectively. The effect on live weight was highly significant (p < 0001). After 126 days of fattening, the deleterious effect of the combination of Cooperia and Haemonchus in the IVM group on body weight was evident. Undetected animals carrying anthelmintic resistant (AR) worms entering the feedlot, could cause major productivity losses.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
Antihelmintic Resistance
dc.subject
Calves
dc.subject
Cooperia
dc.subject
Feedlot
dc.subject
Ivermectin
dc.subject
Ricobendazole
dc.title
The effect of anthelmintic resistance on the productivity in feedlot cattle
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-02-14T19:27:31Z
dc.journal.volume
206
dc.journal.number
3-4
dc.journal.pagination
240-245
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Fazzio, Luis Emilio. Facultad de Ciencias Veterinarias, Universidad Nacional de la Plata; Argentina
dc.description.fil
Fil: Sánchez, Ricardo O.. Laboratorio Mesopotámico de Diagnóstico Veterinario; Argentina
dc.description.fil
Fil: Streitenberger, Nicolás. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Facultad de Ciencias Veterinarias, Universidad Nacional de la Plata; Argentina
dc.description.fil
Fil: Galvan, Walter Ruben. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Facultad de Ciencias Veterinarias, Universidad Nacional de la Plata; Argentina
dc.description.fil
Fil: Giudici, Claudio J.. Universidad Nacional de Rosario; Argentina
dc.description.fil
Fil: Gimeno, Eduardo Juan. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Facultad de Ciencias Veterinarias, Universidad Nacional de la Plata; Argentina
dc.journal.title
Veterinary Parasitology
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.vetpar.2014.10.010
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0304401714005378
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