Estudio epidemiológico de paratuberculosis bovina en hatos lecheros del sur de Nariño, Colombia

Q2 Veterinary

Revue De Medecine Veterinaire Pub Date : 2015-12-27 DOI:10.19052/MV.3709

B. Benavides, Á. Cadena, Carlos Alberto Montezuma Misnaza

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引用次数: 12

Abstract

Introduction : Paratuberculosis (PTB), or Johne’s disease, is a chronic gastrointestinal disorder in domestic and wild ruminants caused by Mycobacterium avium subspecies paratuberculosis (MAP). It is distributed worldwide and generates a high impact on livestock, due to a decrease in production, loss of genetic potential by early replacement of infected animals, and increase in mortality. Objectives : To evaluate the presence of anti-MAP antibodies in dairy farms in southern Narino and to describe their distribution according to population characteristics. Methods : A descriptive cross-sectional study was performed on 958 cows over 2 years of age in 16 dairy farms. To determine the presence of antibodies, the indirect Elisa diagnostic test was used (Svanova® commercial kit). Seropositivity was associated with variables of race, age, location, body condition, lactation number, and clinical state by using the chi-square test statistic. Results : There were found 15 farms (94%) with at least one positive animal and 77 cows (8%) with anti-MAP antibodies. A significant association (p < 0.05) with the animal’s body condition was established. Conclusions : Cows with anti-MAP antibodies were found in major dairy municipalities; it was found that MAP-seroprevalence is not connected to age, race, location and clinical status, but it is linked to body condition.

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哥伦比亚narino南部奶牛场牛副结核的流行病学研究

副结核(PTB)，或约翰氏病，是由鸟分枝杆菌亚种副结核(MAP)引起的家畜和野生反刍动物慢性胃肠道疾病。它分布在世界各地，由于产量下降、早期更换受感染动物而丧失遗传潜力以及死亡率增加，对牲畜产生很大影响。目的:了解纳里诺省南部奶牛场中抗map抗体的存在情况，并根据人群特征描述其分布情况。方法:对16个奶牛场958头2岁以上奶牛进行描述性横断面研究。为了确定抗体的存在，采用间接Elisa诊断试验(Svanova®商业试剂盒)。血清阳性与种族、年龄、地域、体质、泌乳次数、临床状态等变量相关，采用卡方检验统计。结果:共有15个养殖场(94%)至少有1头猪阳性，77头牛(8%)有抗map抗体。与动物体况有显著相关(p < 0.05)。结论:在主要奶牛场均发现有抗map抗体的奶牛;研究发现，map -血清阳性率与年龄、种族、地理位置和临床状况无关，但与身体状况有关。

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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来源期刊

Revue De Medecine Veterinaire 农林科学-兽医学

CiteScore

1.30

自引率

0.00%

发文量

审稿时长

18-36 weeks

期刊介绍： The Revue de Médecine Vétérinaire publishes four kinds of text: 1) Scientific reviews on subjects related to veterinary and comparative medicine. Suggested length: 10 to 30 typed pages. 2) Original reports on fundamental or applied research. Suggested length: 10 to 15 typed pages. 3) Continuous education articles, that should be easily understandable by non-specialists. Suggested length: 10 to 15 typed pages. 4) Clinical reports. Suggested length: 5 to 15 typed pages. The publication can be done in French language or English language. For an article written in English by not english native speakers authors, the manuscript must be subjected by attesting that it was read again by an anglophone scientist or a scientific translator. The authors must certify that the manuscript was not published or subjected for publication to another review. The manuscript must be accompanied by a sheet signed by all the joint authors indicating their agreement for the tender of the manuscript. The publication is free but a financial participation could be required for the photographs color. An estimate will be sent to collect the agreement of the authors.