Susceptibility of Rhipicephalus (Boophilus) microplus to fluazuron (2.5 mg/kg) and a combination of novaluron (2.0 mg/kg) + eprinomectin (0.36 mg/kg) in field studies in Brazil

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• 作者：Willian Giquelin Maciel^a ; Welber Daniel Zanetti Lopes^a ; ^b ; ^{wdzlopes@hotmail.com} ; Lucas Vinicius Costa Gomes^a ; Breno Cayeiro Cruz^a ; Gustavo Felippelli^a ; Isabella Barbosa Dos Santos^a ; Fernando de Almeida Borges^c ; Walter Antonio Gonç ; alves Junior^d ; Alexandre Braga Scarpa^e ; Joã ; o Eduardo Nicaretta^b ; Thiago Souza Azeredo Bastos^b ; Alvimar José ; da Costa^a
• 关键词：Benzoylphenyl urea ; Cattle ; Macrocyclic lactone ; Resistance ; Ticks
• 刊名：Preventive Veterinary Medicine
• 出版年：2016
• 出版时间：1 December 2016
• 年：2016
• 卷：135
• 期：Complete
• 页码：74-86
• 全文大小：559 K
• 卷排序：135

文摘

We compare the effects of different benzoylphenyl urea against 32 populations of ticks. Four population of R. microplus showed low susceptibility to fluazuron 2.5 mg/kg. Owners applied such product on cattle for periods of time superior to five years. Efficacies ≥ 48% were not obtained to novaluron + eprinomectin. R. (B.) microplus with low susceptibility to 0.5 mg/kg eprinomectin also occurs.