Influence of the cattle body weight estimation for drug dosing on the pharmacokinetic and efficacy of ivermectin against Rhipicephalus (Boophilus) microplus
This study aimed to evaluate how the method of body weight estimation of a herd (average vs individual) for drug dosing may affect the pharmacokinetics and therapeutic efficacy of ivermectin 3.15% against Rhipicephalus (Boophilus) microplus. The trial was performed in two populations of R. (B.) micr...
| Autores principales: | , , , , , , |
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| Formato: | info:ar-repo/semantics/artículo |
| Lenguaje: | Inglés |
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Systematic and Applied Acarology Society
2022
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| Materias: | |
| Acceso en línea: | http://hdl.handle.net/20.500.12123/12882 https://www.biotaxa.org/saa/article/view/74789 https://doi.org/10.11158/saa.27.9.9 |
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| author | Miró, Maria Victoria Sarli, Macarena Rossner, Maria Victoria Gomez, Viviana Daniela Toffaletti, Jose Rodolfo Lifschitz, Adrian Luis Nava, Santiago |
| author_browse | Gomez, Viviana Daniela Lifschitz, Adrian Luis Miró, Maria Victoria Nava, Santiago Rossner, Maria Victoria Sarli, Macarena Toffaletti, Jose Rodolfo |
| author_facet | Miró, Maria Victoria Sarli, Macarena Rossner, Maria Victoria Gomez, Viviana Daniela Toffaletti, Jose Rodolfo Lifschitz, Adrian Luis Nava, Santiago |
| author_sort | Miró, Maria Victoria |
| collection | INTA Digital |
| description | This study aimed to evaluate how the method of body weight estimation of a herd (average vs individual) for drug dosing may affect the pharmacokinetics and therapeutic efficacy of ivermectin 3.15% against Rhipicephalus (Boophilus) microplus. The trial was performed in two populations of R. (B.) microplus with different levels of susceptibility to ivermectin: San Martín (SM) (incipient resistance) and Colonia Benítez (CB) (susceptible). Twenty-one (SM) and forty-two (CB) 12-month-old Braford heifers, naturally infested with R. (B.) microplus, were individually weighed and divided into three groups (G). G1 and G2 were treated with a dose of ivermectin 3.15% (IVOMEC GOLD®) at a dose rate of 630 μg/kg of body weight (1 mL/50 kg). G1 received a uniform dose of ivermectin calculated according to the average of the individual body weights. G2 received a dose of ivermectin calculated according to the exact body weight of each animal. G3 were the control group. Ivermectin concentrations were measured from blood samples from day 1 to day 21 post-treatment. The efficacy of the treatment was evaluated by counting female ticks. In both populations the differences in the doses of ivermectin administered did not affect the pharmacokinetics and therapeutic efficacy of the drug. Nevertheless, it is necessary to avoid the sub-dosage of cattle to reduce the selection pressure for resistance on the tick populations. |
| format | info:ar-repo/semantics/artículo |
| id | INTA12882 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2022 |
| publishDateRange | 2022 |
| publishDateSort | 2022 |
| publisher | Systematic and Applied Acarology Society |
| publisherStr | Systematic and Applied Acarology Society |
| record_format | dspace |
| spelling | INTA128822026-01-09T13:34:01Z Influence of the cattle body weight estimation for drug dosing on the pharmacokinetic and efficacy of ivermectin against Rhipicephalus (Boophilus) microplus Miró, Maria Victoria Sarli, Macarena Rossner, Maria Victoria Gomez, Viviana Daniela Toffaletti, Jose Rodolfo Lifschitz, Adrian Luis Nava, Santiago Rhipicephalus Boophilus microplus Peso Corporal Estimación Ganado Bovino Ivermectina Body Weight Valuation Cattle Ivermectin Garrapatas Ticks This study aimed to evaluate how the method of body weight estimation of a herd (average vs individual) for drug dosing may affect the pharmacokinetics and therapeutic efficacy of ivermectin 3.15% against Rhipicephalus (Boophilus) microplus. The trial was performed in two populations of R. (B.) microplus with different levels of susceptibility to ivermectin: San Martín (SM) (incipient resistance) and Colonia Benítez (CB) (susceptible). Twenty-one (SM) and forty-two (CB) 12-month-old Braford heifers, naturally infested with R. (B.) microplus, were individually weighed and divided into three groups (G). G1 and G2 were treated with a dose of ivermectin 3.15% (IVOMEC GOLD®) at a dose rate of 630 μg/kg of body weight (1 mL/50 kg). G1 received a uniform dose of ivermectin calculated according to the average of the individual body weights. G2 received a dose of ivermectin calculated according to the exact body weight of each animal. G3 were the control group. Ivermectin concentrations were measured from blood samples from day 1 to day 21 post-treatment. The efficacy of the treatment was evaluated by counting female ticks. In both populations the differences in the doses of ivermectin administered did not affect the pharmacokinetics and therapeutic efficacy of the drug. Nevertheless, it is necessary to avoid the sub-dosage of cattle to reduce the selection pressure for resistance on the tick populations. EEA Rafaela Fil: Miró, María Victoria. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias. Centro de Investigación Veterinaria de Tandil. Laboratorio de Farmacología; Argentina. Fil: Miró, María Victoria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigación Veterinaria de Tandil. Laboratorio de Farmacología; Argentina. Fil: Sarli, Macarena. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela. Instituto de Investigación de la Cadena Láctea (IDICAL); Argentina Fil: Sarli, Macarena. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigación de la Cadena Láctea (IDICAL); Argentina Fil: Rossner, Maria Victoria. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Colonia Benitez; Argentina Fil: Gomez, Viviana Daniela. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Colonia Benitez; Argentina Fil: Toffaletti, Jose Rodolfo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria El Colorado; Argentina Fil: Lifschitz, Adrian Luis. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias. Centro de Investigación Veterinaria de Tandil. Laboratorio de Farmacología; Argentina. Fil: Lifschitz, Adrian Luis. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigación Veterinaria de Tandil. Laboratorio de Farmacología; Argentina. Fil: Nava, Santiago. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela. Instituto de Investigación de la Cadena Láctea (IDICAL); Argentina Fil: Nava, Santiago. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigación de la Cadena Láctea (IDICAL); Argentina 2022-09-14T15:38:04Z 2022-09-14T15:38:04Z 2022-08 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/12882 https://www.biotaxa.org/saa/article/view/74789 1362-1971 (Print) 2056-6069 (Online) https://doi.org/10.11158/saa.27.9.9 eng info:eu-repograntAgreement/INTA/2019-PE-E5-I109-001/2019-PE-E5-I109-001/AR./Convocatoria: Estudios para el control de enfermedades subtropicales y/o transmitidas por vectores (Tristeza Bovina, Garrapatas, Miasis, Tripanosomiasis, Lengua Azul y la info:eu-repo/semantics/restrictedAccess application/pdf Systematic and Applied Acarology Society Systematic and Applied Acarology 27 (9) : 1800-1812. (2022) |
| spellingShingle | Rhipicephalus Boophilus microplus Peso Corporal Estimación Ganado Bovino Ivermectina Body Weight Valuation Cattle Ivermectin Garrapatas Ticks Miró, Maria Victoria Sarli, Macarena Rossner, Maria Victoria Gomez, Viviana Daniela Toffaletti, Jose Rodolfo Lifschitz, Adrian Luis Nava, Santiago Influence of the cattle body weight estimation for drug dosing on the pharmacokinetic and efficacy of ivermectin against Rhipicephalus (Boophilus) microplus |
| title | Influence of the cattle body weight estimation for drug dosing on the pharmacokinetic and efficacy of ivermectin against Rhipicephalus (Boophilus) microplus |
| title_full | Influence of the cattle body weight estimation for drug dosing on the pharmacokinetic and efficacy of ivermectin against Rhipicephalus (Boophilus) microplus |
| title_fullStr | Influence of the cattle body weight estimation for drug dosing on the pharmacokinetic and efficacy of ivermectin against Rhipicephalus (Boophilus) microplus |
| title_full_unstemmed | Influence of the cattle body weight estimation for drug dosing on the pharmacokinetic and efficacy of ivermectin against Rhipicephalus (Boophilus) microplus |
| title_short | Influence of the cattle body weight estimation for drug dosing on the pharmacokinetic and efficacy of ivermectin against Rhipicephalus (Boophilus) microplus |
| title_sort | influence of the cattle body weight estimation for drug dosing on the pharmacokinetic and efficacy of ivermectin against rhipicephalus boophilus microplus |
| topic | Rhipicephalus Boophilus microplus Peso Corporal Estimación Ganado Bovino Ivermectina Body Weight Valuation Cattle Ivermectin Garrapatas Ticks |
| url | http://hdl.handle.net/20.500.12123/12882 https://www.biotaxa.org/saa/article/view/74789 https://doi.org/10.11158/saa.27.9.9 |
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