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Constraints to cattle production in a semiarid pastoral system in Kenya

机译：肯尼亚半干旱牧区系统对牲畜生产的限制

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Livestock keeping is the mainstay for the pastoral community while also providing social and cultural value. This study ranked main production constraints and cattle diseases that impacted livelihood and estimated herd prevalence, incidence rate, and impact of diseases on production parameters in a semiarid pastoral district of Narok in Kenya. Data collection employed participatory techniques including listing, pairwise ranking, disease incidence scoring, proportional piling, and disease impact matrix scoring and this was disaggregated by gender. Production constraints with high scores for impact on livelihood included scarcity of water (19 %), lack of extension services (15 %), presence of diseases (12 %), lack of market for cattle and their products (10 %), and recurrent cycle of drought (9 %). Diseases with high scores for impact on livelihood were East Coast fever (ECF) (22 %) and foot and mouth disease (FMD) (21 %). High estimated incidence rates were reported for FMD (67 %), trypanosomosis (28 %), and ECF (15 %), while contagious bovine pleuropneumonia (CBPP) had an incidence rate < 1 %. Milk yield was affected by FMD, ECF, and trypanosomosis, while ECF was the cause of increased mortality. FMD, ECF, CBPP, and brucellosis caused increased abortion, while effect of gender and location of study was not significant. Despite CBPP being regarded as an important disease affecting cattle production in sub-Sahara Africa, its estimated incidence rate in herds was low. This study indicates what issues should be prioritized by livestock policy for pastoral areas.
机译：畜牧业是牧民社区的主要支柱，同时还具有社会和文化价值。这项研究对肯尼亚纳洛克半干旱牧区的主要生产限制因素和影响生计的牛病进行了评估，并估计了牛群流行率，发病率以及疾病对生产参数的影响。数据收集采用参与式技术，包括列表，成对排名，疾病发病率评分，成比例堆积和疾病影响矩阵评分，并按性别分列。在对生计的影响上得分高的生产限制包括水的短缺（19％），缺少推广服务（15％），存在疾病（12％），缺乏牛及其产品的市场（10％）和经常性干旱周期（9％）。对生计影响最高的疾病是东海岸热（ECF）（22％）和口蹄疫（FMD）（21％）。据报道，FMD（67％），锥虫病（28％）和ECF（15％）的估计发病率高，而传染性牛胸膜肺炎（CBPP）的发病率＜1％。牛奶产量受口蹄疫，ECF和锥虫病的影响，而ECF是死亡率增加的原因。 FMD，ECF，CBPP和布鲁氏菌病导致流产增加，而性别和研究地点的影响并不明显。尽管CBPP被认为是影响撒哈拉以南非洲牛群生产的重要疾病，但其在畜群中的估计发病率很低。这项研究表明，牧区的牲畜政策应优先考虑哪些问题。

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