爲探索甯夏回族自治區彭陽縣肉牛感染布魯氏菌的風險因素，采用匹配煙那設計的病例對(duì)照研究方法，對(duì)76個檢出肉牛布魯氏菌感染抗章金體陽性的養殖場戶，按照肉牛養殖場戶同在一個行政村，和/或相似時到養殖規模以及養牛時(shí)間差異在±3年内的原則，以1:2比例匹配肉牛布船姐魯氏菌感染抗體陰性場戶，通過(guò)問卷形式收集數據，采用條件Logi黑月stic回歸進(jìn)行分析。結果顯示：通過(guò)肉什化牛經(jīng)紀人買牛的場戶，其肉牛的布魯氏菌感染風險增大坐火（OR = 5.05，95%CI = 1.50~1對土7.01）；養牛場同時(shí)養羊且母羊近兩近快(liǎng)年有流産史的場戶，所養肉牛感染布魯氏菌風險增樂線大（OR = 1.86，95%CI = 0.92~區熱3.75）。由此可見，彭陽縣肉牛交易方式與算海當地肉牛布魯氏菌感染存在密切關聯。建議加強牛經(jīng)紀人管理答可，提高其布病防控意識，進(jìn)一步調查當制筆地羊群布魯氏菌病流行狀況。本研究爲當地肉牛布魯氏菌病防控策略制雨吃定提供了依據。
A Case-Control Study on Risk Fa理紅ctors for Brucell女少osis in Beef Cattle in Pengyang如對 County in Ningxia
In order to identify th下麗e risk factors for Brucel紙著la infection in beef cattle in Pen技年gyang County，Ningxia Hui Au舞離tonomous Region，a matched樹對 case-control study method雨跳 was used to collect data from 76 posit紅公ive farms/households by questionn術日aires and analyzed by conditional logis中懂tic regression. The study w國制as based on the principles that fa作頻rms/households l錢們ocated in the same admi些外nistrative village，and/or similar breed校報ing scale and the difference i區機n breeding period要商 was within ± 3 years爸聽，and a ratio of 1:2 was 器用used to match negative far了的ms.. The results sh農作owed that the risk 土村of Brucella infection in 喝西beef cattle increa視但sed（OR = 5.05，95%CI = 影答1.50-17.01）in t白妹he farms/households who bought cat又錯tle via brokers；so did the farms店地（OR = 1.86，95%CI = 0.92-3.我購75）where sheep were also kept and如裡 history of abortion in快讀 ewes was available in the pas謝很t two years. It was c歌村oncluded that th鄉家e transaction mode of beef不服 cattle was closely related吃弟 to local infection in t書女he county. Therefore，it was r件腦ecommended to strengthen the management朋藍 of cattle brokers黑鐘，improve their awa間書reness concerning brucellosis p飛喝revention and co技吃ntrol，and further i國笑nvestigate the prevalence of t和到he disease in local 文刀sheep. A basis wa報他s thereby provided for future develop身照ment of control s河車trategies for brucellosi間河s in local beef ca一這ttle.
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