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Ectoparasites of small ruminants in three selected agro-ecological sites of Tigray Region, Ethiopia

机译:埃塞俄比亚提格雷地区的三个选定农业生态场所中的小反刍动物的寄生虫

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A study on ectoparasites of small ruminants in three selected agro-ecological sites of Tigray Region, Ethiopia disclosed an overall prevalence of 55.5% and 58% in each examined 750 sheep and goats, respectively. In the sheep population, Melophagus ovinus (19.1%), tick infestations (16%), Damalinia ovis (15.3%), Linognathus africanus (11.5%), and Ctenocephalides felis (9%) were the major ectoparasites. The major ectoparasites identified in goats were tick infestations (29.7%), L. africanus (27.9%), Sarcoptes scabiei var. caprae (12.5%), C. felis (11.1%), and Demodex caprae (6.8%). In sheep, there was a statistically significant difference (P<0.001) in the prevalence of Damalinia ovis, M. ovinus, L. africanus, and ticks between midland and highland. In goats, the risk of Sarcoptes scabiei var. caprae infestation in midland (odds ratio (OR)=17.2, P<0.001) and lowland (OR=5.2, P<0.001) was 17.2 times and 5.2 times, respectively, higher than the highland. Favorable climatic conditions, backward level of management, poor level of consciousness and awareness of farmers, and weak animal health extension services are believed to have contributed for widespread distribution and occurrences of ectoparasites. The growing threat of ectoparasites to small ruminant production and the tanning industry needs well-coordinated and urgent control intervention.
机译:一项在埃塞俄比亚提格里地区三个选定的农业生态场所中的小反刍动物的外寄生物研究表明,每只接受检查的750只绵羊和山羊的总患病率分别为55.5%和58%。在绵羊种群中,主要的体外寄生虫是卵巢中的食蟹类动物(19.1%),tick虫(16%),卵白粉病(15.3%),非洲扁线虫(11.5%)和猫头虫(Ctenocephalides)(9%)。在山羊中鉴定出的主要体外寄生虫为tick虫侵扰(29.7%),非洲L. africanus(27.9%),Sarcoptes scabiei var。 caprae(12.5%),C。felis(11.1%)和Demodex caprae(6.8%)。在绵羊中,中部和高地之间的Dalalinia ovis,M。ovinus,L。africanus和us的患病率在统计学上有显着差异(P <0.001)。在山羊中,Sarcoptes scabiei var。的风险。中部地区(比值比(OR)= 17.2,P <0.001)和低地地区(OR = 5.2,P <0.001)的卡普拉斯侵扰分别比高地高17.2倍和5.2倍。人们认为,有利的气候条件,落后的管理水平,对农民的意识和认识水平低下以及动物健康推广服务薄弱,都是导致外寄生物广泛分布和发生的原因。外寄生物对反刍动物小规模生产和制革业的威胁日益增加,需要采取协调一致的紧急控制干预措施。

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