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They may stand with the head held lowered with frequent head shaking and ear movements. Alternatively, sheep adopt a submissive posture in sternal recumbency with the neck extended and the head held on the ground. Kicking at the head often greatly exacerbates damage caused by headflies to the horn base, and such action may also traumatize the skin of the neck and ears. Head rubbing also causes considerable self-trauma. <br><br>
They may stand with the head held lowered with frequent head shaking and ear movements. Alternatively, sheep adopt a submissive posture in sternal recumbency with the neck extended and the head held on the ground. Kicking at the head often greatly exacerbates damage caused by headflies to the horn base, and such action may also traumatize the skin of the neck and ears. Head rubbing also causes considerable self-trauma. <br><br>
Bleeding and serum exudation attract more flies and aggravate the problem. There is rapid loss of condition in severely affected sheep. Myiasis may result in some cases.
Bleeding and serum exudation attract more flies and aggravate the problem. There is rapid loss of condition in severely affected sheep. Myiasis may result in some cases.
|l1=
|l1= Fly Worry
|q2=How can this problem be controlled?
|q2=How can this problem be controlled?
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|a2=
*Topical emollients and antibiotic preparations are not usually necessary and skin wounds heal well provided flies are denied access to these areas.
*Topical emollients and antibiotic preparations are not usually necessary and skin wounds heal well provided flies are denied access to these areas.
*Pour-on fly control preparations, such as high cis cypermethrin or deltamethrin, must be applied before the anticipated headfly season and especially to horned sheep. Such treatments should be repeated every 3–4 weeks during the fly season or as directed by the data sheet instructions.
*Pour-on fly control preparations, such as high cis cypermethrin or deltamethrin, must be applied before the anticipated headfly season and especially to horned sheep. Such treatments should be repeated every 3–4 weeks during the fly season or as directed by the data sheet instructions.
|l2=
|l2= Fly Worry
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