Acaricidal activity of petroleum ether extracts from Eupatorium adenophorum against the ectoparasitic cattle mite, Chorioptes texanus

In this study, we evaluated the acaricidal efficacy of extracts obtained from the plant Eupatorium adenophorum against the common cattle mite Chorioptes texanus. The results showed that 95 % ethanol extracts at concentrations of 1.0, 0.5, and 0.25 g/mL (w/v) were highly toxic to C. texanus in vitro,...

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Bibliographic Details
Published in:Parasitology research (1987) 2014-03, Vol.113 (3), p.1201-1207
Main Authors: Nong, Xiang, Li, Shu-Hua, Wang, Jia-Hai, Xie, Yue, Chen, Feng-Zheng, Liu, Tian-Fei, He, Ran, Gu, Xiao-Bin, Peng, Xue-Rong, Yang, Guang-You
Format: Article
Language:English
Subjects:
acaricidal properties
Acaricides
Acaricides - pharmacology
Acaricides - therapeutic use
Ageratina - chemistry
Ageratina adenophora
Alkanes
Animals
Biomedical and Life Sciences
Biomedicine
Cattle
Cattle Diseases - parasitology
Cattle Diseases - prevention & control
Chorioptes
clinical trials
Control
Daisies
ethanol
Eupatorium adenophorum
Female
fenvalerate
Health aspects
Host-parasite relationships
Immunology
Male
Materia medica, Vegetable
Medical Microbiology
Microbiology
Mite Infestations - prevention & control
Mite Infestations - veterinary
Mites
mortality
Original Paper
petroleum
Plant extracts
Plant Extracts - pharmacology
Plant Extracts - therapeutic use
Psoroptidae - drug effects
Solvents
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Summary:In this study, we evaluated the acaricidal efficacy of extracts obtained from the plant Eupatorium adenophorum against the common cattle mite Chorioptes texanus. The results showed that 95 % ethanol extracts at concentrations of 1.0, 0.5, and 0.25 g/mL (w/v) were highly toxic to C. texanus in vitro, killing 100 % of mites in 4 h. Similarly, petroleum ether extracts of E. adenophorum resulted in between 80 and 100 % mortality of mites in vitro at concentrations of 0.1, 0.05, and 0.025 mL/mL (v/v) within 4 h. In clinical trials, all infected individuals completely recovered after two treatments administered at 7-day intervals and remained disease-free at 60 days posttreatment. The clinical effect of treatment with E. adenophorum petroleum ether extracts was similar to that of treatment with the acaricide fenvalerate. These results indicated that E. adenophorum contains novel potential acaricidal compounds that can effectively control mites in livestock.
ISSN:0932-0113
1432-1955
DOI:10.1007/s00436-014-3758-3