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Fly strike in sheep : ウィキペディア英語版 | Fly strike in sheep
This article is about ''the flystrike'' in sheep. ==Parasitic relationship between sheep and flies==
Flies are an external parasite that, when combined with warm and humid conditions, infect sheep. Sheep Flies form a parasitic relationship with sheep, by which the fly maggots use the sheep's flesh as a habitat as well as a source of nutrients; the fly benefits from the relationship while the sheep does not. In some cases flies can be fatal to sheep. The three most common species of fly which infect sheep in Australia are ''Lucilia sericata'', ''Lucilia Caesar'', and ''Calliphora vomitoria''. Sheep display symptoms such as agitation, odour and matted fur, all which further encourage the attraction of flies. In order to infect the sheep, flies lay eggs on the sheep’s wool, hatching after approximately eight hours, depending on the conditions. The maggots, once hatched, bury themselves in the sheep’s wool and eventually under the sheep’s skin, feeding off their flesh. Once the larvae develop, flies continue to deposit eggs on to new or already infected sheep, starting the infection process over again. Flies are a pest in Australian agriculture, not only causing loss or degradation of stock but also requiring both money and time for effective management. A completely effective prevention strategy has not yet been produced however it is likely that this may occur in the foreseeable future.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Fly strike in sheep」の詳細全文を読む
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