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首页> 外文期刊>Journal of Veterinary Research >Mixed infection zones may be important in the epidemiology of contagious agalactia
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Mixed infection zones may be important in the epidemiology of contagious agalactia

机译：混合感染区可能在传染性无乳的流行病学中很重要

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Introduction: The current study was designed to detect Mycoplasma agalactiae (Ma), Mycoplasma mycoides subsp. capri (Mmc), Mycoplasma capricolum subsp. capricolum (Mcc) and Mycoplasma putrefaciens (Mp) in sheep and goats with clinical signs consistent with contagious agalactia. Material and Methods: A total of 299 samples were collected from 55 mixed herds in Azarbaijan-e-Sharghi province, Iran. Samples were examined using PCR and culture methods. Results: The findings showed that in 40 herds at least one sample was positive by PCR or culture method. Moreover, out of 274 sheep samples, 101 were proved to be positive using the PCR technique and 76 were found positive using the culture method. Out of 25 goat samples, 10 were found positive using PCR and 9 were positive through the culture method. Less than 20% of isolated mycoplasmas were Ma. Ma was detected from almost all studied regions in the province while Mmc, Mcc, and Mp were detected only in a very limited area that was deemed by the research group the mixed infection zone. Conclusion: In vaccination or eradication projects, it would be more economical to focus on mixed infection zones. Further investigation on mixed infection zones could facilitate better understanding of contagious agalactia epidemiology.
机译：简介：本研究旨在检测无支原体支原体亚种。卡普里岛（Mmc），支原体亚种羊和山羊中的癸酸（Mcc）和腐质支原体（Mp），其临床体征与传染性无乳症一致。材料和方法：从伊朗的阿扎拜疆-e-Sharghi省的55个混合牛群中总共采集了299个样本。使用PCR和培养方法检查样品。结果：研究结果表明，在40个牛群中，至少有一个样品通过PCR或培养方法呈阳性。此外，在274个绵羊样品中，使用PCR技术证明101个是阳性，使用培养方法发现76个是阳性。在25个山羊样品中，使用PCR检测为10份阳性，通过培养方法检测为9份阳性。少于20％的分离出的支原体是Ma。在该省几乎所有研究区域中都检测到Ma，而Mmc，Mcc和Mp仅在非常有限的区域中被检测到，该区域被研究组认为是混合感染区。结论：在疫苗接种或根除项目中，集中于混合感染区将更为经济。对混合感染区的进一步调查可以促进对传染性无乳病流行病学的更好理解。

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