Factors influencing prevalence of trypanosomosis in orma boran (trypanotolerant) and teso zebu (trypanosusceptible) crosses in Teso district, western Kenya

Bulletin of animal health and production in Africa. Bulletin des sante et production animales en Afrique Pub Date : 2010-02-23 DOI:10.4314/BAHPA.V57I4.51676

J. Gachohi, B. Bett, G. A. Murill

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引用次数: 3

Abstract

The objective of this study was to determine factors associated with occurrence of trypanosomosis in the first generation (F1) crossbreds between trypanotolerant Orma Boran and trypanosusceptible Teso zebu cattle in a trypanosomosis endemic area in Teso District, western Kenya. The offspring were screened for trypanosomosis and other haemoparasites using parasitological methods. Packed cell volume (PCV), body weights and tsetse density (FTD) were also determined. Factors considered in the analysis included sex, age, body weight and season of the year. Generalized linear mixed models were used for multivariable analysis to account for clustering of observations at the animal level and estimate outcome variance parameters. The overall trypanosomosis prevalence was 2.3% (n=477) probably corresponding to low FTD in the area ( Key words: Trypanosomosis; Orma-Teso zebu offspring; Trypanotolerance; western Kenya.

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影响肯尼亚西部特索地区boran(锥虫耐受性)和zebu(锥虫易感性)杂交中锥虫病流行的因素

本研究的目的是确定在肯尼亚西部Teso区一个锥虫病流行区，锥虫耐受性的Orma Boran和锥虫易感性的Teso zebu牛的第一代(F1)杂交品种中发生锥虫病的相关因素。用寄生虫学方法对后代进行锥虫病和其他血液寄生虫的筛查。同时测定细胞堆积体积(PCV)、体质量和采采蝇密度(FTD)。分析中考虑的因素包括性别、年龄、体重和季节。使用广义线性混合模型进行多变量分析，以解释动物水平上观察结果的聚类并估计结果方差参数。总患病率为2.3% (n=477)，可能对应该地区较低的FTD(关键词:锥虫病;Orma-Teso zebu后代;Trypanotolerance;肯尼亚西部。

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Bulletin of animal health and production in Africa. Bulletin des sante et production animales en Afrique

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