InVet. 2012, 14(1): 41-46 ISSN 1514-6634 (impreso)Resistencia-...
The aim of this study was to evaluate the current state of the efficacy of benzimidazoles for control of small strongyles that parasitize horses in the central area of Argentina. In this context, two experiences were conducted involving a total of 107 horses. The first of these experiences was devel...
Guardado en:
| Autores principales: | , , , , , |
|---|---|
| Formato: | Artículo publishedVersion |
| Lenguaje: | Español |
| Publicado: |
Universidad de Buenos Aires. Facultad de Ciencias Veterinarias.
2012
|
| Materias: | |
| Acceso en línea: | http://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=pveterinaria/invet&cl=CL1&d=HWA_3787 https://repositoriouba.sisbi.uba.ar/gsdl/collect/pveterinaria/invet/index/assoc/HWA_3787.dir/3787.PDF |
| Aporte de: |
| Sumario: | The aim of this study was to evaluate the current state of the efficacy of benzimidazoles for control of small strongyles that parasitize horses in the central area of Argentina. In this context, two experiences were conducted involving a total of 107 horses. The first of these experiences was developed in six farms with a history of use of benzimidazoles and the second in horses whose past history of anthelmintic treatment was unknown. In both experiences a test of fecal egg count reductions (FECR) was carried out after treatment with an oral formulation of mebendazole 14% and triclorfon 48% at the dose of 5gr /100 kg of weight. The FECR was performed by comparing the averages (first experience) or individual values (second experience) on the number of eggs before and after treatment. Resistance to febendazole was observed in all farms in the first experience and approximately 60% of the horses in the second experience. Larval cultures after treatment showed only ciathostome third stage larvae. The results of this study indicate that populations of small strongyles resistant to benzimidazoles are extremely common in the central area of Argentina. |
|---|