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Prevalence and risk factors associated with Chlamydophila abortus infection in dairy herds in Jordan

机译：约旦奶牛群中与流产衣原体感染有关的患病率和危险因素

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摘要

A cross-sectional study was carried out to determine seroprevalence and to identify risk factors associated with Chlamydophila abortus infection in 62 nonvaccinated dairy herds (671 cows) in Jordan between January and June 2007. Information regarding herd management was recorded through a personal interview with farmers. Antibodies against C. abortus were detected using an ELISA test kit. Chi-square analysis and multivariable logistic regression model were used to identify risk factors associated with C. abortus seropositivity. The true prevalence of antibodies against C. abortus in individual cows and cattle herds were 19.9 % and 66.3 %, respectively. Univariable Chi-square analysis revealed three variables with P ≤ 0.25 that were further offered to multivariable logistic regression analysis. Small-sized herds were identified as a risk factor for seropositivity to C. abortus, while sweeping followed by water hosing and using disinfectants were identified as protective factors. Cows in the age groups of >8 and ≤10 years old and >2 and ≤6 years old had the highest and lowest significant seroprevalence to C. abortus, respectively. Results of this study indicated that C. abortus is highly prevalent in Jordan's dairy herds and Chlamydophila infection could be controlled by applying strict biosecurity measures in the dairy farms.
机译：在2007年1月至6月间，进行了一项横断面研究，以确定血清阳性率并确定与流产衣原体流产感染有关的62例未接种疫苗的奶牛群（671头母牛）的风险因素。 。使用ELISA测试试剂盒检测了抗流产梭状芽胞杆菌的抗体。卡方检验和多变量logistic回归模型用于确定与流产梭状芽孢杆菌血清阳性相关的危险因素。在个别母牛和牛群中，抗流产梭状芽胞杆菌抗体的真实患病率分别为19.9％和66.3％。单变量卡方分析揭示了三个P≤0.25的变量，这些变量进一步提供给多变量logistic回归分析。小型畜群被确定为流产梭状芽孢杆菌血清阳性的危险因素，而清扫，随后浇水和使用消毒剂被确定为保护因素。年龄大于8岁且≤10岁，年龄大于2岁且≤6岁的母牛对流产梭状芽孢杆菌的血清阳性率最高和最低。这项研究的结果表明，流产梭状芽胞杆菌在约旦的奶牛群中非常普遍，通过在奶牛场采取严​​格的生物安全措施可以控制衣原体的感染。

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  • 来源
    《Tropical Animal Health and Production》 |2012年第8期|1841-1846|共6页
  • 作者

    Abdelsalam Q. Talafha; Mohammed M. Ababneh; Mustafa M. Ababneh; Ahmad M. Al-Majali;

  • 作者单位

    Department of Veterinary Clinical Sciences Faculty of Veterinary Medicine Jordan University of Science and Technology Irbid 22110 Jordan;

    Department of Veterinary Clinical Sciences Faculty of Veterinary Medicine Jordan University of Science and Technology Irbid 22110 Jordan;

    Department of Basic Veterinary Medical Sciences Faculty of Veterinary Medicine Jordan University of Science and Technology Irbid 22110 Jordan;

    Department of Veterinary Clinical Sciences Faculty of Veterinary Medicine Jordan University of Science and Technology Irbid 22110 Jordan;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Chlamydophila abortus; Jordan; Risk factors; Seroprevalence;

    机译：流产衣原体;乔丹;风险因素;血清阳性率;

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