基纳省部分奶牛血液寄生虫的临床和实验室诊断

A. Ahmed, Adel elasyed ahmed, Abu El-Magd M. Mohamed, A. Ali
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引用次数: 0

摘要

竞争摘要牛特氏体病、巴贝斯虫病和无浆体病是蜱传的血液寄生虫病,它们对埃及畜牧业造成了巨大的经济损失。目前,在2019年1月至2019年12月期间,共对来自埃及基纳省不同地区的110头奶牛进行了临床和实验室调查,以使用吉姆萨染色血膜和聚合酶链式反应(PCR)分析来诊断特氏体病、巴贝斯虫病和无浆体病。根据所获得的结果,在筛选的牛中,特氏体病、巴贝斯虫病和无浆体病的总患病率分别为21.81%、9.09%和25.45。此外,根据血膜检查,19例(17.27%)出现混合感染。PCR检测结果显示,特氏体病、巴贝斯虫病和无浆体病的感染率分别为5.12%、10.25%和35.89%。同时,发现3头奶牛(7.69%)存在混合感染。此外,本研究还检测了感染特氏体病、巴贝斯虫病和无浆体病的奶牛的血液生化变化。可以得出结论,在所有疾病病例(急性、慢性和携带者)中,PCR检测是检测感染最敏感的检测方法,因为一旦动物感染,它们在康复后就会成为低寄生虫血症的携带者,而这种低寄生虫血症无法通过传统的Giemsa染色薄血涂片检查来检测。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Clinical and Laboratory Diagnosis of Some Blood Parasites in Dairy Cows in Qena Governorate
Competing Abstract Bovine theileriosis, babesiosis and anaplasmosis are tick-borne hemoparasitic diseases and they are responsible for huge economic losses in livestock sector in Egypt. Currently, a total number of 110 dairy cows from different regions of Qena governorate, Egypt, were clinically and laboratory investigated for diagnosis of theileriosis, babesiosis and anaplasmosis using Giemsa stained blood film and Polymerase Chain Reaction (PCR) assay during the period from January 2019 to December 2019. On the basis of the obtained results, the overall prevalence of theileriosis, babesiosis and anaplasmosis among the screened cattle was 21.81%, 9.09% and 25.45 respectively. Furthermore, mixed infections were seen in nineteen cases (17.27%) on the basis of blood film examination. PCR assay results revealed that, the infection rate with theileriosis, babesiosis and anaplasmosis was 5.12%, 10.25% and 35.89%, respectively. While, 3 cows (7.69%) were found to harbor a mixed infection. Additionally, hemato-biochemical alternations in theileriosis, babesiosis and anaplasmosis infected cows were also detected in this study. It could be concluded that PCR assay was the most sensitive test in the detection of the infection in all cases of the disease (acute, chronic and carriers) as once animals infected, they become carriers with low parasitemia after recovery and this low parasitemia cannot be detected by traditional examination of Giemsa stained thin blood smears.
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