First report of paratuberculosis (Johne's disease) in livestock farms of river buffaloes (Bubalus Bubalis) in Nineveh, Iraq.

IF 0.5 4区农林科学 Q4 VETERINARY SCIENCES Veterinaria italiana Pub Date : 2022-12-30 DOI:10.12834/VetIt.1866.9913.1

Abdulwahed Ahmed Hassan, Mohammed Rahawy, Layth Mahmoud Alkattan, Izhar U H Khan, Amir Abdulmawjood, Michael Bülte

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Abstract

The present study was designed to investigate Mycobacterium avium subsp. paratuberculosis (MAP) in dairy buffalo herds from six different geographical areas in Nineveh, Iraq. A total of 87 individual faecal samples from river buffaloes, representing 12 dairy herds, were investigated for detection of MAP using cultural, Ziehl‑Neelsen and MAP‑specific PCR‑based methods. Overall, MAP was detected at a higher frequency at herd‑level (4/12; 33%) compared to the total individual faecal samples (14/87; 16%) with a cell density ranging from 101 to 103 CFU g‑1. A significantly (p < 0.05) higher frequency (9/17; 53%) of MAP was observed in faecal samples collected from clinically diseased as compared to healthy (5/70; 7%) buffaloes selected for the study. However, no statistically significant difference (p ≥ 0.05) was observed in the frequency of MAP occurrence between clinical (9; 64%) and apparently healthy (5; 36%) cases. This report, which is the first MAP study based on data from Iraqi dairy buffalo herds suggests that MAP transmission is a significant health risk for grazing livestock. In conclusion, this study would help farm owners and regulatory authorities to realise the importance of developing and applying best farm management practices in order to prevent transmission of MAP to healthy animals and the environment. In addition, effective diagnostic tests should be taken into account when carrying out the screening tests.

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伊拉克尼尼微河水牛(Bubalus Bubalis)养殖场首次报告副结核(约翰氏病)。

本研究旨在研究鸟分枝杆菌亚种。来自伊拉克尼尼微六个不同地理区域的奶牛群的副结核(MAP)。采用培养法、Ziehl - Neelsen法和MAP特异性PCR法，对来自12个奶牛群的河水牛的87份粪便样本进行了MAP检测。总体而言，MAP在牧群水平的检测频率更高(4/12;33%)与个人粪便样本总数相比(14/87;16%)，细胞密度范围为101 ~ 103 CFU g‑1。频率显著(p < 0.05)高于(9/17;与健康人相比，在临床患病的粪便样本中观察到53%的MAP (5/70;7%)为研究选择的水牛。然而，在MAP的发生频率上，临床(9;64%)和明显健康(5%;36%)的病例。该报告是第一份基于伊拉克乳水牛群数据的MAP研究报告，表明MAP传播对放牧牲畜构成重大健康风险。总之，这项研究将帮助农场主和监管当局认识到制定和应用最佳农场管理做法的重要性，以防止MAP传播给健康动物和环境。此外，在进行筛查试验时应考虑到有效的诊断试验。

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来源期刊

Veterinaria italiana VETERINARY SCIENCES-

CiteScore

1.50

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： The journal was created as the Croce Azzurra in 1950. A quarterly peer-reviewed journal devoted to veterinary public health and other aspects of veterinary science and medicine, Veterinaria Italiana is published by the Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise ‘G. Caporale’ (Istituto Zooprofilattico Sperimentale dell''Abruzzo e del Molise) in Teramo, Italy. The goal of the journal is to provide an international platform for veterinary public health information from Italy and other countries, particularly those in Eastern Europe and Africa, Asia and South America. Veterinarians and veterinary public health specialists are encouraged to share their knowledge and experience on this platform.