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Molecular identification of different toxinogenic strains of Clostridium perfringens and histo-pathological observations of camels died of per-acute entero-toxaemia

文献类型： 外文期刊

作者： Ali, Hafiz Muhammad 1 ; Hussain, Shujaat 2 ; Ahmad, Muhammad Zishan 2 ; Siddique, Abu Baker 3 ; Ali, Sultan 4 ; Mohiuddin, Mudassar 1 ; Ehsan, Muhammad 1 ; Nadeem, Muhammad 2 ; Qayyum, Abdul 1 ; Hussain, Riaz 1 ; Khan, Iahtasham 6 ; Al Farraj, Dunia A. 7 ; Alzaidi, Enshad 7 ;

作者机构： 1.Islamia Univ Bahawalpur, Fac Vet & Anim Sci, Bahawalpur 63100, Pakistan

2.PMAS Arid Agr Univ, Fac Vet & Anim Sci, Rawalpindi 46300, Pakistan

3.Govt Coll Univ, Inst Microbiol, Faisalabad 38000, Pakistan

4.Univ Agr Faisalabad, Inst Microbiol, Fac Vet Sci, Faisalabad 38000, Pakistan

5.Inst Anim Hlth, Guangdong Acad Agr Sci, Guangzhou 510640, Peoples R China

6.Univ Vet & Anim Sci, Dept Clin Sci, Jhang 35200, Pakistan

7.King Saud Univ, Coll Sci, Dept Bot & Microbiol, Riyadh 11451, Saudi Arabia

关键词： Enterotoxaemia; Clostridium; Histopathology; PCR; Toxin genes; Camel

期刊名称：HELIYON （ 影响因子：3.4； 五年影响因子：3.9 ）

ISSN：

年卷期： 2024 年 10 卷 6 期

页码：

收录情况： SCI

摘要： Enterotoxaemia is a severe disease caused by Clostridium perfringens and render high mortality and huge economic losses in livestock. However, scanty information and only few cases are reported about the presence and patho-physiology of enterotoxaemia in camels. The bacterium induces per -acute death in animals due to rapid production of different lethal toxins. The necropsy of camels (per -acute = 15, acute = 3) was conducted at 18 outbreaks of enterotoxaemia in camels in the desert area of Bahawalpur region. At necropsy, the serosal surfaces of visceral organs in the abdominal, peritoneal and thoracic cavities were found to have petechiation with severe congestion. Moreover, both the cut -sections of different visceral organs and the histo-pathological analysis revealed the pathological lesions in heart, lungs, kidneys, spleen, small and large intestines. Grossly, the kidneys were severely congested, hyperemic, swollen and softer in consistency. Under the microscope, different sections of kidneys indicated that the convulated and straight tubules were studded with erythrocytes. In the intestines, there were stunting fusion of crypts and villi. Similarly, various histo-pathological ailments were also observed in the heart, lungs and spleen. At blood agar, the collected samples showed beta hemolytic colonies of C. perfringens that appeared as medium sized rods microscopically and stained positively on Gram staining. Multiplex PCR revealed C. perfringens type A (alpha and beta 2 genes) and D (epsilon gene) and the deaths were found to be significantly higher due to C. perfringens type D compared to those by C. perfringens type A. Hence, it has been concluded that enterotoxaemia in camel affects multiple organs and becomes fatal, if occurred due to C. perfringens type D.

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