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VetMed Resource

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Abstract

A neckband and tailtag containing either amitraz or cyhalothrin K were placed on individual cattle to test the effectiveness of the devices for the control of adult Amblyomma americanum. The neckbands and tailtags were fabricated from either strips of ethylvinyl acetate containing 10% amitraz or...

Author(s)
Miller, J. A.; George, J. E.
Citation
Journal of Agricultural Entomology, 1994, 11, 2, pp 165-176
Abstract

A study was done in Mission, Texas, to determine the efficacy of a 50% wettable powder (WP) amitraz formulation applied as a whole-body spray in a standard dip vat, and in a laboratory bioassay against B. annulatus on cattle. A study also was done at the King Ranch in Kleberg County, Texas, to...

Author(s)
Ahrens, E. H.; Davey, R. B.; George, J. E.; Cooksey, L. M.
Citation
Journal of Economic Entomology, 1989, 82, 3, pp 850-853
Abstract

Four groups of cattle infested with B. microplus were each dipped in a different concentration of amitraz diluted from a 12.5% EC formulation to determine the efficacy and performance of the product in an 11 400 litre dipping vat. Except for the period when heifers were dipped, animals were...

Author(s)
George, J. E.; Davey, R. B.; Ahrens, E. H.; Pound, J. M.; Drummond, R. O.
Citation
Preventive Veterinary Medicine, 1998, 37, 1/4, pp 55-67
Abstract

Cattle infested with all parasitic life-stages of Boophilus microplus and B. annulatus were sprayed with 0.0125 or 0.025% active ingredient amitraz. The detachment pattern of engorged or partially engorged females indicated that both concentrations of amitraz caused premature detachment, with at...

Author(s)
Davey, R. B.; Ahrens, E. H.; George, J. E.
Citation
Preventive Veterinary Medicine, 1984, 2, 5, pp 691-698