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Archives of Veterinary Science
Article . 2017 . Peer-reviewed
Data sources: Crossref
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DIAGNÓSTICO IN VIVO DA SENSIBILIDADE DE NEMATOIDES A DIFERENTES ANTIHELMÍNTICOS EM OVINOS CRIADOS EM SISTEMA SEMI-INTENSIVO

Authors: Marcos Vinicius Gonçalves Viana; Renan Zappavigna Costa Starling; Isabella Vilhena Freire Martins; Willy Stefanon Dietrich; Cintia Silva Alves;

DIAGNÓSTICO IN VIVO DA SENSIBILIDADE DE NEMATOIDES A DIFERENTES ANTIHELMÍNTICOS EM OVINOS CRIADOS EM SISTEMA SEMI-INTENSIVO

Abstract

Grande variação no grau de resistência de populações de nematódeos é observada em grupos químicos, entre eles os anti-helmínticos, sendo este o principal entrave para obtenção do controle da verminose na ovinocultura. O objetivo do estudo foi avaliar a sensibilidade de nematoides de ovinos mestiços em criação semi-intensiva em três propriedades a cinco princípios ativos (levamisol, albendazol, ivermectina, monepantel e closantel) utilizados nas vermifugação. Foram analisadas amostras fecais, em três momentos (antes, 7 e 14 dias após o tratamento) utilizando a técnica de Gordon e Withlock (OPG), processadas e calculadas pelas fórmulas Eficácia=(1-[OPGtratado/OPGcontrole])x100 e Redução de OPG = 100 x [OPGt0 – OPGtn/OPGt0 ]. Nos momentos sete e quatorze os grupos tratamentos diferiram significativamente (p< 0,05%) do momento zero, porém, os animais tratados com ivermectina no momento quatorze não apresentaram diferença significativa quando comparado ao grupo controle. No exame coproparasitológico os gêneros mais frequentes foram Haemonchus e Trichostrongylus. Na primeira propriedade o monepantel e o albendazol demonstraram os melhores resultados de redução de OPG, na segunda propriedade o levamisol, closantel e monepantel apresentaram resultados expressivos quando comparado aos demais fármacos e na terceira propriedade os fármacos que tiveram melhores resultados de redução de OPG foram levamisol e monepantel. Nas propriedades A, B e C, foram diagnosticadas populações de nematoides resistentes a ivermectina. Nas propriedades B e C, foram diagnosticadas populações de nematoides resistentes a albendazol.

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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