Anthelmintic resistance in gastrointestinal nematodes of beef cattle in the state of Rio Grande do Sul, Brazil
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- 作者：Fernanda Ramosa ; fernandaramos_7@yahoo.com.br" class="auth_mail" title="E-mail the corresponding author ; Luiza Pires Portellaa ; Fernando de Souza Rodriguesa ; Caroline Zamperete Reginatoa ; Luciana Pö ; tterb ; Alfredo Skrebsky Cezara ; c ; Luí ; s Antô ; nio Sangionia ; Fernanda Silveira Flores Vogela
- 关键词：Endoparasites ; FECRT ; Bovine ; Multidrug resistance
- 刊名：International Journal for Parasitology: Drugs and Drug Resistance
- 出版年：2016
- 出版时间：April 2016
- 年：2016
- 卷：6
- 期：1
- 页码：93-101
- 全文大小：484 K
文摘
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Presence of multi-resistant populations of nematodes in all evaluated herds.
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On 60% of the farms, nine of the ten active compounds tested had efficacies <90%.
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All of the avermectins tested were ineffective in controlling nematode infection.
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Cooperia spp. was the most resistant genus.
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Increased efficacy using some drug combinations.