Results 211 to 220 of about 4,799 (261)

Development and validation of a neural network for the automated detection of horn flies on cattle [PDF]

Computers and Electronics in Agriculture, 2021
When the number of horn flies that blood feed on cattle exceeds the economic threshold, they can adversely affect the health and wellbeing of their hosts.
Liesel G Schneider
exaly   +2 more sources

Salivary Gland Thrombostasin Isoforms Differentially Regulate Blood Uptake of Horn Flies Fed on Control- and Thrombostasin-Vaccinated Cattle [PDF]

Journal of Medical Entomology, 2010
Thrombostasin (TS) is an anticlotting protein found in saliva of Haematobia irritons (horn flies). The polymorphic nature of the ts gene was first associated with success of horn flies blood feeding on a laboratory host, New Zealand White rabbits.
Dunhua Zhang
exaly   +3 more sources

Evaluation of a recombinant salivary gland protein (thrombostasin) as a vaccine candidate to disrupt blood-feeding by horn flies [PDF]

Vaccine, 2004
The potential for controlling blood-feeding by the cattle pest, Haematobia irritans irritans (horn fly), was tested by vaccination against thrombostasin (TS), an inhibitor of mammalian thrombin that is released into skin during horn fly blood-feeding ...
Dunhua Zhang
exaly   +2 more sources

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Testing Immature Laboratory-reared Stable Flies and Horn Flies for Susceptibility to Insecticides12

Journal of Economic Entomology, 1980
S E Kunz, C D Schmidt
exaly   +2 more sources

Distribution of horn flies on individual cows as a percentage of the total horn fly population

Veterinary Parasitology, 2003
Twenty-three mixed-breed herd cows were phenotyped for their ability to serve as a suitable host for Haematobia irritans, the horn fly. Based upon consistent observations within the lower quartile or upper quartile of individual fly counts, four cows were phenotyped as low carriers and five cows were phenotyped as high carriers of horn flies.
J H, Pruett, C D, Steelman, J A, Miller, J M, Pound, J E, George   +4 more
openaire   +3 more sources

Effects of Additives on the Toxicity of Pyrethrins to Stable Flies and Horn Flies

Journal of Economic Entomology, 1963
Formulations containing various combinations of R-ll (2,3,4,5-bis(∆2-butylene)-tetrahydrofurfural), R-326 (di- n -propyl isocinchomeronate), MGK 264® ( n -(2-ethylhexyl)-5-norborneue-2,3-dicarhoximide), Tabutrex® (dibutyl suceinate), butoxy polypropylene glycol, and piperonyl butoxide with 0.02% pyrethrins and without pyrethrins were much less ...
R. H. Roberts, R. L. Harris, O. H. Graham   +2 more
openaire   +1 more source

Effect of Horn Flies on Behavior of Cattle

Journal of Economic Entomology, 1982
Activities of yearling steers that were treated or not treated for control of Haematobia irritans (L.) were recorded from direct observation. During the day, untreated steers spent more time walking and resting than did treated steers, and it appeared that they traveled ca. 0.5 km/day more than treated steers.
T. L. Harvey, J. L. Launchbaugh
openaire   +1 more source

Cattle, Ear Tags for the Control of Face Flies, Horn Flies and Stable Flies, 1981

Insecticide and Acaricide Tests, 1982
Abstract Ten Holstein steers were tagged with 2 Atroban ear tags/head and 5 mixed breed steers were tagged with 2 Deltamethrin tags/head in mid-Jun. Fly counts were made on all animals in each herd weekly until mid-Sep. Data are presented for every other week. Untreated cattle used for evaluating the effectiveness of the treatments was a
Freddie Herald, F. W. Knapp
openaire   +1 more source

Control of Face Flies and Horn Flies with Experimental Diflubenzuron Boluses, 1988

Insecticide and Acaricide Tests, 1989
Abstract Two bolus formulations of 4.75 g (9.7% AI) flaked and powdered diflubenzuron were administered to beef cattle to test their efficacy against horn flies and face flies. Commercially available Vigilante° and methoprene boluses were used as standard treatments.
J. D. Webb, S. M. Presley, F. W. Knapp
openaire   +1 more source

Control of Face Flies and Horn Flies With Experimental Ear Tags, 1988

Insecticide and Acaricide Tests, 1989
Abstract Two experimental organophosphate ear tags (YT-802B1 and YT-607C3) were compared with 4 commercially available ear tags (Optimizer, Maxcon Super, Tomahawk, and Terminator) for efficacy against horn flies and face flies on beef cattle. Treatment effectiveness of all tags was compared against 3 untreated herds.
J. D. Webb, S, M. Presley, F, W. Knapp
openaire   +1 more source