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首页> 外文期刊>Tropical Animal Health and Production >The first identification of contagious caprine pleuropneumonia (CCPP) in sheep and goats in Egypt: molecular and pathological characterization
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The first identification of contagious caprine pleuropneumonia (CCPP) in sheep and goats in Egypt: molecular and pathological characterization

机译：在埃及羊和山羊中的第一次识别传染群胸膜炎（CCPP）：分子和病理特征

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Contagious caprine pleuropneumonia (CCPP) is one of the most fatal and contagious diseases of goats. To date, the occurrence of CCPP in Egypt has not been reported. During the period from 2017 to 2018, 200 goats and 400 sheep from Matrouh Governorate (Al Alamein and El Hammam cities) were suspected to have CCPP; animals were examined to confirm the presence of CCPP infection as well as the epidemiological status, clinical features, and molecular and histopathologic characteristics of lung tissues. Additionally, a treatment trial was performed to assess the efficacy of anti-mycoplasma therapy in the treatment of clinical cases of this disease. The occurrence of CCPP was 32.5% and 5% in goats and sheep, respectively, while case fatality was 30% and 8% in goats and sheep, respectively. The clinical forms of CCPP in both sheep and goats varied from per-acute to acute or chronic cases. Histopathological analysis of lung tissues from dead cases (either sheep or goats) revealed different stages of broncho- and pleuropneumonia ranging from per-acute to acute or chronic stages. Lung tissues showed severe congestion of interalveolar capillaries, flooding of alveoli and bronchi with a fibrinous exudate, a high degree of pleural thickening, and multifocal areas of necrosis that were sometimes sequestered in the fibrous capsule. Isolation of Mycoplasma capricolum subspecies capripneumoniae (Mccp) was confirmed in all dead cases by agar and broth culture methods and polymerase chain reaction. The treatment trial revealed that the marbofloxacin and spiramycin groups had a higher cure rate (70%) than the oxytetracycline group (40%) and a lower fatality rate (30%) than the oxytetracycline group (60%). Conclusively, infection with CCPP in goats and sheep is considered to be novel for Mccp in Egypt, where this species is considered to be the main pathogen in goats, not in sheep. Additionally, it could be concluded that treatment may be effective only if given early. Further comprehensive surveys are required to investigate the risk of CCPP in goats and sheep in all Egyptian governorates.
机译：传染群胸膜胸膜炎（CCPP）是山羊最致命和传染性的疾病之一。迄今为止，迄今为止尚未报告埃及中的CCPP。在2017年至2018年的期间，涉嫌来自Matrouh省（Al Alamein和El Hammam城市）的200只山羊和400只羊;检查动物以确认CCPP感染的存在以及肺组织的流行病学状态，临床特征和分子和组织病理学特征。另外，进行治疗试验以评估抗支原体治疗治疗该疾病的临床病例的疗效。山羊和绵羊的CCPP的发生分别为32.5％和5％，而山羊和羊的病例分别为30％和8％。绵羊和山羊中CCPP的临床形式因急性或慢性病例而异。死亡病例（绵羊或山羊）肺组织的组织病理学分析揭示了从急性至急性或慢性阶段的支气管和胸膜瘤的不同阶段。肺组织显示间室外毛细血管的严重拥塞，肺泡和支气管的泛滥，具有纤维状渗出物，高度胸腔增厚，有时在纤维状胶囊中螯合的多焦点的坏死区域。在琼脂和肉汤培养方法和聚合酶链反应中，在所有死壳中确认了支原体Capricolum的分离毛细血管（MCCP）。治疗试验表明，马巴氟沙星和螺霉素基团比催碱基团（40％）的固化速率（70％）和低于催碱基团（60％）（60％）。结论，山羊和羊的CCPP感染被认为是埃及MCCP的新型，其中该物种被认为是山羊的主要病原体，而不是羊。另外，可以得出结论，只有在早期给予治疗可能是有效的。需要进一步的综合调查来调查所有埃及省的山羊和绵羊中共的风险。

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