2005
DOI: 10.1016/j.vetpar.2005.06.003
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Validation of a subjective counting method for a horn flies (Haematobia irritans irritans) (Diptera: Muscidae) population in a cattle herd

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Cited by 18 publications
(9 citation statements)
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“…This procedure has been, previously, reported by many fly studies and is considered accurate, when the same observers are used. Thus, inter-observer inconsistencies are avoided [18][19][20]. The fly population was enumerated on half of the animal's body from the neck to the start of the tail and from the spinous processes of the vertebrae to the belly and the lower legs [18].…”
Section: Fly Monitoringmentioning
confidence: 99%
See 1 more Smart Citation
“…This procedure has been, previously, reported by many fly studies and is considered accurate, when the same observers are used. Thus, inter-observer inconsistencies are avoided [18][19][20]. The fly population was enumerated on half of the animal's body from the neck to the start of the tail and from the spinous processes of the vertebrae to the belly and the lower legs [18].…”
Section: Fly Monitoringmentioning
confidence: 99%
“…Thus, inter-observer inconsistencies are avoided [18][19][20]. The fly population was enumerated on half of the animal's body from the neck to the start of the tail and from the spinous processes of the vertebrae to the belly and the lower legs [18]. Each cow of all groups (n = 55) was observed by the same blinded person from a distance of about 3-4 meters away and for 2 min.…”
Section: Fly Monitoringmentioning
confidence: 99%
“…The number of flies, landing on the ewes of both groups, was counted by the direct observation of each individual animal. The accuracy of this procedure and inter-observer reliability have been well documented by relevant studies [ 53 , 54 , 55 ]. Fly populations were counted on half of the ewes’ body from the neck to the tail and from the spinous processes of the vertebrae to the belly and the feet [ 53 ].…”
Section: Methodsmentioning
confidence: 99%
“…Flies were assessed weekly from May to October in Oklahoma and May to August in Iowa. We collected digital photographs of one side of each of four randomly selected cows in each pasture at each sampling date taken between 0700 am and 1100 am (Thomas et al, 1989;Lima et al, 2002;Boland et al, 2008) from a distance of b 30 m and included the single side of each cow (Pruett et al, 2003;Castro et al, 2005). This procedure of randomly selecting new animals that are a subset of the total herd (or replicate group) for monitoring flies has been used in previous livestock entomology studies (Harvey and Brethour, 1979;Haufe, 1982;Kinzer et al, 1984;Kunz et al, 1984;DeRouen et al, 2009DeRouen et al, , 2010Li et al, 2011).…”
Section: Methodsmentioning
confidence: 99%