Effect of ivermectin concentration on internal parasite control and the productive performance of bovine
The aim of this study was to evaluate the efficacy of treatment with increasing doses of ivermectin on the parasite load, expressed as the number of eggs in faeces and the effect on heifers weight gain in a cattle ranch in San Pedro Department, Paraguay. They were selected out of 200 heifers hybridized (Bos taurus * Bos indicus) from randomly divided over year in the order of entry into four lots with 50 animals each, which were identified and weighed individually. Control Treatment: 1% ivermectin antiparasitic, Group A: treated with ivermectin at a concentration of 3.15% (Laboratory A); Group B: treated with ivermectin at a concentration of 3.15% (Laboratory B); Lot C: treated with ivermectin at a concentration of 4% was taken from each group a random subsample of 10 animals each and were extracted faeces samples being coincident with the first product application and then every 30 days we proceeded to take faeces samples of the animals so as to obtain the evolution of the number of eggs response. Were evaluated simultaneously live weights of the animals in each period. There were no statistical differences for weight gain (Wg) per period or the entire test. No statistical differences were observed for parasite control variable (Pc) corresponding to the total number of eggs per gram of collected faeces
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oai:ojs.cerac.unlpam.edu.ar:article-17062020-11-16T09:31:30Z Effect of ivermectin concentration on internal parasite control and the productive performance of bovine Efecto de la concentración de ivermectina sobre el control de parásitos internos y el desempeño productivo de bovinos / Effect of ivermectin concentration on internal parasite control and the productive performance of bovine Ocampos Olmedo, Diego Eduardo Bohrer de Azevedo, Eduardo Tobal, Claudio Avermectins antiparasitic dose deworming Avermectinas Antiparasitarios Dosis The aim of this study was to evaluate the efficacy of treatment with increasing doses of ivermectin on the parasite load, expressed as the number of eggs in faeces and the effect on heifers weight gain in a cattle ranch in San Pedro Department, Paraguay. They were selected out of 200 heifers hybridized (Bos taurus * Bos indicus) from randomly divided over year in the order of entry into four lots with 50 animals each, which were identified and weighed individually. Control Treatment: 1% ivermectin antiparasitic, Group A: treated with ivermectin at a concentration of 3.15% (Laboratory A); Group B: treated with ivermectin at a concentration of 3.15% (Laboratory B); Lot C: treated with ivermectin at a concentration of 4% was taken from each group a random subsample of 10 animals each and were extracted faeces samples being coincident with the first product application and then every 30 days we proceeded to take faeces samples of the animals so as to obtain the evolution of the number of eggs response. Were evaluated simultaneously live weights of the animals in each period. There were no statistical differences for weight gain (Wg) per period or the entire test. No statistical differences were observed for parasite control variable (Pc) corresponding to the total number of eggs per gram of collected faeces El objetivo del presente trabajo fue evaluar la eficacia del tratamiento con dosis crecientes de ivermectina sobre la carga parasitaria expresada en el número de huevos por heces y la incidencia sobre la ganancia de peso de vaquillas de sobreaño en un establecimiento ganadero en un hato ganadero del Dto de San Pedro-Paraguay. Fueron seleccionadas un total de 200 vaquillas hibridadas (Bos taurus * Bos indicus) de sobre año divididas aleatoriamente de acuerdo al orden de entrada en cuatro lotes con 50 animales cada uno, las cuales fueron caravaneadas y pesadas de manera individual. Lote testigo: Antiparasitario ivermectina al 1%; Lote A: tratados con ivermectina a una concentración del 3,15% formulación de laboratorio A; Lote B: tratados con ivermectina a una concentración de 3,15% formulación del laboratorio B; Lote C: tratados con ivermectina a una concentración del 4%. De cada lote fue tomada aleatoriamente una submuestra de 10 animales y fueron extraídas muestras de materia fecal siendo la primera extracción coincidente con la aplicación del producto y luego cada 30 días se procedió a tomar muestras de los mismos animales de modo a obtener el evolutivo de la respuesta en número de huevos. En simultáneo fueron evaluados los pesos vivos de los animales de cada lote. No se presentaron diferencias estadísticas para la Ganancia de peso (GdP) por periodo ni en el total del ensayo. No se observaron diferencias estadísticas para la variable control parasitario (Cp) correspondiente al número total de huevos por gramo de heces colectada EdUNLPam 2017-07-04 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://cerac.unlpam.edu.ar/index.php/veterinaria/article/view/1706 Ciencia Veterinaria; Vol. 17 Núm. 1 (2015): enero - junio; 19-34 1853-8495 1515-1883 spa https://cerac.unlpam.edu.ar/index.php/veterinaria/article/view/1706/1692 Derechos de autor 2017 Ciencia Veterinaria |
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Ocampos Olmedo, Diego Eduardo Bohrer de Azevedo, Eduardo Tobal, Claudio |
| spellingShingle |
Ocampos Olmedo, Diego Eduardo Bohrer de Azevedo, Eduardo Tobal, Claudio Effect of ivermectin concentration on internal parasite control and the productive performance of bovine |
| author_facet |
Ocampos Olmedo, Diego Eduardo Bohrer de Azevedo, Eduardo Tobal, Claudio |
| author_sort |
Ocampos Olmedo, Diego |
| title |
Effect of ivermectin concentration on internal parasite control and the productive performance of bovine |
| title_short |
Effect of ivermectin concentration on internal parasite control and the productive performance of bovine |
| title_full |
Effect of ivermectin concentration on internal parasite control and the productive performance of bovine |
| title_fullStr |
Effect of ivermectin concentration on internal parasite control and the productive performance of bovine |
| title_full_unstemmed |
Effect of ivermectin concentration on internal parasite control and the productive performance of bovine |
| title_sort |
effect of ivermectin concentration on internal parasite control and the productive performance of bovine |
| description |
The aim of this study was to evaluate the efficacy of treatment with increasing doses of ivermectin on the parasite load, expressed as the number of eggs in faeces and the effect on heifers weight gain in a cattle ranch in San Pedro Department, Paraguay. They were selected out of 200 heifers hybridized (Bos taurus * Bos indicus) from randomly divided over year in the order of entry into four lots with 50 animals each, which were identified and weighed individually. Control Treatment: 1% ivermectin antiparasitic, Group A: treated with ivermectin at a concentration of 3.15% (Laboratory A); Group B: treated with ivermectin at a concentration of 3.15% (Laboratory B); Lot C: treated with ivermectin at a concentration of 4% was taken from each group a random subsample of 10 animals each and were extracted faeces samples being coincident with the first product application and then every 30 days we proceeded to take faeces samples of the animals so as to obtain the evolution of the number of eggs response. Were evaluated simultaneously live weights of the animals in each period. There were no statistical differences for weight gain (Wg) per period or the entire test. No statistical differences were observed for parasite control variable (Pc) corresponding to the total number of eggs per gram of collected faeces |
| publisher |
EdUNLPam |
| publishDate |
2017 |
| url |
https://cerac.unlpam.edu.ar/index.php/veterinaria/article/view/1706 |
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