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首页> 外文期刊>Tropical Animal Health and Production >Risk analysis and seroprevalence of bovine ephemeral fever virus in cattle in the Kingdom of Saudi Arabia
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Risk analysis and seroprevalence of bovine ephemeral fever virus in cattle in the Kingdom of Saudi Arabia

机译：沙特阿拉伯王国牛中的牛短暂性狂热病毒的风险分析和血清阳性率

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Bovine ephemeral fever virus (BEFV) is an arthropod-borne rhabdovirus that causes disabling clinical signs and major economic losses in cattle and water buffalo. The disease is well documented in Asia, Africa, and the Middle East; however, the seroprevalence of BEFV in different regions and bovine breeds in the Kingdom of Saudi Arabia (KSA) is unknown. The aim of this study was to analyze risk factors which affect the prevalence of antibodies against BEFV in small herds of cattle in four geographical regions of KSA. A total of 1480 serum samples from non-BEFV vaccinated small herds of cattle were collected from the Eastern, Jizan, Qasim, and Riyadh regions (370 samples per region) during the summer of 2010. Serum neutralization test was used to detect antibodies against BEFV. There was a significant effect of region, breed, sex, and age on the seroprevalence of BEFV. Seropositive ratios were 18, 18, 26, and 12 % for the Eastern, Jizan, Qasim, and Riyadh regions, respectively (P = 0.00002); 23.2 % for dairy and 13.7 % for non-dairy breeds (P = 0.00004); 24.4 % for males and 14.6 % for females (P = 0.00004); and 15.4, 29.1, and 11.4 % for animals 1 year, 1-3 years, and > 3 years, respectively (P 0.001). Risk analysis showed a significant effect of different regions of KSA on the seroprevalence of BEFV. Host risk factors (age, sex, and breed) showed also a significant effect on the seroprevalence of BEFV. This indicates active circulation of this virus in small herds of cattle. Insect control strategies and BEFV vaccination programs during the spring are recommended to reduce the spread of BEFV and minimize subsequent economic losses as this is adopted in many enzootic countries.
机译：牛短暂性肺炎病毒（BEFV）是一种节肢动物传播的弹状病毒，会导致牛和水牛的致死性临床症状和重大经济损失。该疾病在亚洲，非洲和中东都有很好的记录。但是，尚不清楚沙特阿拉伯王国（KSA）在不同地区和牛种中的BEFV血清阳性率。这项研究的目的是分析影响KSA四个地理区域的小牛群中抗BEFV抗体患病率的风险因素。在2010年夏季，从东部，吉赞，卡西姆和利雅得地区共采集了1480份未接种BEFV疫苗的小牛血清样品（每个区域370个样品）。采用血清中和试验检测抗BEFV的抗体。区域，品种，性别和年龄对BEFV的血清阳性率有显着影响。东部，吉赞，卡西姆和利雅得地区的血清阳性率分别为18％，18％，26％和12％（P = 0.00002）;乳制品为23.2％，非乳制品为13.7％（P = 0.00004）;男性为24.4％，女性为14.6％（P = 0.00004）; <1年，1-3年和> 3年的动物分别为15.4％，29.1％和11.4％（P <0.001）。风险分析表明，KSA的不同区域对BEFV的血清阳性率有显着影响。宿主风险因素（年龄，性别和品种）也显示出对BEFV血清阳性的显着影响。这表明这种病毒在小牛群中活跃传播。建议在春季使用昆虫控制策略和BEFV疫苗接种计划，以减少BEFV的传播并最大程度地减少随后的经济损失，因为这在许多动物隔离国家都已采用。

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