Anthelmintic efficacy of ivermectin 1% of gastrointestinal nematodes of goats in Mossoró, Rio Grande do Norte, Brasil
DOI:
https://doi.org/10.22256/pubvet.v8n2.1663Keywords:
Goat, OPG, Helminths.Abstract
It is relevant to study the anthelmintic resistance in goat, since the production and productivity of this segment is impaired due to infection by endoparasites. Thus, this study aimed to evaluate the anthelmintic activity of ivermectin1% of gastrointestinal nematodes of naturally infected goats, sheep and goat farming sector coming from the Universidade Federal rural do Semi-Árido in Mossoró, RN. SRD 20 goats were used, divided into control and experimental group, with the latteradministeredivermectin1% on the first day of the experiment. The fecal samples were taken before drug administration and after ten days of the experiment. The samples were subjected to fecal examination in the Parasitology Laboratory Animal UFERSA where analysis of the efficiency of the drug test was reduction in faecal egg countand differentiation of infective larvae by fecal culture, and the data were statistically analyzed by the RESO 2.0. The efficacy of ivermectin was 80%, with a confidence intervalandupper limitof 92%. Helminths being more resistant to the action of ivermectin, the genus Haemonchus, with 77% reduction of parasite load.
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Copyright (c) 2014 Isabella de Oliveira Barros, Ivana Cristina Nunes Gadelha, Isabel Bezerra Ribeiro Albuquerque, Muriel Magda Lustosa Pimentel, Zuliete Aliona Araújo de Souza Fonseca, Wesley Adson Costa Coelho, Josivania Soares Pereira, Sílvia Maria Mendes Ahid
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