Detection of paratuberculosis in breeding bulls at pakistani semen production units: a continuous source of threat.

ISRN veterinary science Pub Date : 2011-12-22 Print Date: 2011-01-01 DOI:10.5402/2011/501235

Muhammad Abbas, Muhammad Munir, Syed Abdul Khaliq, Muhammad Ikram Ul Haq, Muhammad Tanveer Khan, Zafar Ul Ahsan Qureshi

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引用次数: 18

Abstract

Paratuberculosis is a chronic bowel disease of ruminants caused by Mycobacterium avium subsp. paratuberculosis (MAP). Its secretion through semen highlights the importance of paratuberculosis-free breeding bulls. The breeding and teaser bulls at three semen production units (SPUs) located in Punjab, Pakistan, were screened for the presence of antibodies against MAP. A total of 253 samples were collected from SPUs and a commercially available indirect screen ELISA (Is-ELISA) was applied. Is-ELISA detected antibodies in 20 (24.6%), 16 (22.8%), and 17 (16.6%) samples from SPU-I, SPU-II, and SPU-III, respectively. Collectively, seroprevalence of 20.0% (47/235) in breeding bulls and 33.3% (6/18) in teaser bulls was observed, and thus it poses a potential threat of disease spread to a high number of heifers and cows through artificial insemination. Therefore, this paper highlights the presence of the disease for the first time at SPUs and triggers attempts to ascertain the prevalence of paratuberculosis throughout the country.

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在巴基斯坦精液生产单位的种牛中发现副结核:一个持续的威胁来源。

副结核是由鸟分枝杆菌亚种引起的反刍动物慢性肠道疾病。副结核(地图)。它通过精液分泌，突出了无副结核的种牛的重要性。对位于巴基斯坦旁遮普省的三个精液生产单位(SPUs)的繁殖公牛和挑逗公牛进行了MAP抗体的筛选。共采集spu样本253份，采用市售间接筛选ELISA (Is-ELISA)。Is-ELISA检测SPU-I、SPU-II和SPU-III样本分别为20(24.6%)、16(22.8%)和17(16.6%)。总体而言，在繁殖公牛中观察到20.0%(47/235)的血清阳性率，在挑逗公牛中观察到33.3%(6/18)的血清阳性率，因此通过人工授精对大量小母牛和奶牛造成了疾病传播的潜在威胁。因此，本文首次强调了spu中该疾病的存在，并引发了在全国范围内确定副结核病患病率的尝试。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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