Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/28101
Type: Artigo de periódico
Title: Field study on the efficacy of an oral 2% ivermectin formulation in horses
Title Alternative: Eficácia a campo de uma formulação oral de ivermectina a 2% em equinos
Author: Cutolo, André Antonio
Santos, Anderson Tintino dos
Allegretti, Silmara Marques
Abstract: Twenty horses naturally infected with nematodes were included in a blind, controlled field study on efficacy and safety of an oral 2% ivermectin formulation at a dose of 0.2 mg.kg-1. Horses were divided into treated and non-treated (control) groups with ten animals each based on preliminary counts of eggs per gram of feces (EPG). Stool samples were collected after treatment for identification of nematode species. Clinical evaluations and EPG counts were performed on days 0, +5, +14 and +19. Nineteen nematode species were identified: Coronocyclus ulambajari, Craterostomum acuticaudatum, Cyathostomum catinatum, Cyathostomum pateratum, Cylicocyclus brevicapsulatus, Cylicocyclus insigne, Cylicocyclus leptostomum, Cylicocyclus nassatus, Cylicocyclus ultrajectinus, Cylicocyclus spp., Cylicostephanus calicatus, Cylicostephanus longibursatus, Cylicostephanus poculatus, Habronema muscae, Habronema spp., Parascaris equorum, Poteriostomum imparidentatum, Oxyuris equi and Triodontophorus spp. The mean EPG counts of treated and non-treated (control) groups on Days -15, 0, +5, +14 and +19 were 1925, 1340, 0, 12.5, 0, 1470, 790, 875, 1605 and 1240 respectively. The efficacy of treatment on Days +5, +14 and +19 was 100, 99.2 and 100% respectively, with a significant difference compared to the control group (p < 0.01). The product was considered to be safe with no findings of clinical significant changes during the study.
Vinte equinos naturalmente infectados com nematódeos foram utilizados em estudo cego, controlado, de eficácia e segurança clínica a campo de uma formulação oral de ivermectina a 2%, na dosagem de 0,2 mg.kg-1. Foram distribuídos em grupos: tratado e sem tratamento, de dez animais cada, baseados na contagem prévia de ovos por grama de fezes (OPG). Amostras de fezes foram colhidas pós-tratamento para identificação da helmintofauna. Avaliações clínicas e OPG foram realizados nos dias 0, +5, +14 e +19. Identificou-se dezenove espécies de nematódeos: Coronocyclus ulambajari, Craterostomum acuticaudatum, Cyathostomum catinatum, Cyathostomum pateratum, Cylicocyclus brevicapsulatus, Cylicocyclus insigne, Cylicocyclus leptostomum, Cylicocyclus nassatus, Cylicocyclus ultrajectinus, Cylicocyclus spp., Cylicostephanus calicatus, Cylicostephanus longibursatus, Cylicostephanus poculatus, Habronema muscae, Habronema spp., Parascaris equorum, Poteriostomum imparidentatum, Oxyuris equi e Triodontophorus spp.. As contagens médias de OPG dos grupos tratado e controle nos dias -15, 0, +5, +14 e +19 foram respectivamente 1925, 1340, 0, 12,5, 0 e 1470, 790, 875, 1605 e 1240. A eficácia do produto nos dias +5, +14 e +19 foi respectivamente de 100, 99,2 e 100%, com diferença significativa em relação ao grupo controle (p < 0,01). O produto mostrou-se seguro, não sendo observadas alterações clínicas dignas de nota durante o experimento.
Subject: Anti-helmíntico
OPG
eficácia
equino
vermífugo
Anthelmintic
EPG
efficacy
dewormer
antiparasitic
Editor: Colégio Brasileiro de Parasitologia Veterinária
Rights: aberto
Identifier DOI: 10.1590/S1984-29612011000200015
Address: http://dx.doi.org/10.1590/S1984-29612011000200015
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-29612011000200015
Date Issue: 1-Jun-2011
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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