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2020年11月，山东滨州市、东营市引进牛皮肤出现自限性皮肤结节、损伤以及结痂等症状，疑似发生牛结节性皮肤病（lumpy skin disease，LSD）。为确诊两地疫情及了解病原的遗传演化关系，利用荧光定量PCR方法进行诊断，以PCR方法扩增GCPR基因并进行核苷酸比对分析和遗传演化分析。检测结果显示，采集的样品中检测到牛结节性皮肤病病毒（lumpy skin disease virus，LSDV），两地疫情确诊为LSD疫情。GCPR基因核苷酸比对结果显示，China/SDBinzhou/2020、China/SDDongying/2020 GCPR基因存在12个核苷酸的插入，与疫苗毒株Neethling vaccine LW 1959株、Neethling-LSD vaccine-OBP株以及俄罗斯发现的疫苗样毒株Saratov株在GCPR基因的核苷酸插入序列相同，具备疫苗样毒株的特征。系统发育分析结果表明，China/SDBinzhou/2020、China/SDDongying/2020 GCPR基因与我国新疆发现的LSDV毒株GCPR基因处同一小分支中，亲缘关系较近。同时，我国LSDV毒株与Neethling vaccine LW 1959株、Neethling-LSD vaccine-OBP株以及Saratov株等共处于一大分支中。综上，确诊滨州市、东营市两地疫情为LSD疫情，这是山东省首次确诊输入性LSD疫情。 相似文献
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广西南宁某蛇场眼镜蛇暴发大规模的皮肤病,临床主要表现为传播迅速,皮肤腐烂,蜕皮不全。为了研究该病病因和制定有效的防控措施,对送检蛇进行细菌学检验。通过细菌分离培养、生化鉴定、细菌16SrRNA PCR扩增测序、药敏试验和致病性试验等,分离到3株细菌,分别为表皮葡萄球菌、金黄色葡萄球菌和肠道沙门菌;23种抗菌药物只有氟苯尼考对3株菌都表现敏感,其他抗菌药物对3株分离菌表现不同的耐药或中介;3株分离菌对小鼠都具有致病性。根据药敏试验结果选用药物,氟苯尼考对治疗该病有很好的效果。本研究结果将对预防和治疗眼镜蛇皮肤病具有一定的参考价值。 相似文献
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Abstract Skin biopsy specimens from 107 dogs with endocrine skin disorders were examined for the presence of melanin granules in the sebaceous glands or ducts (sebaceous gland melanosis). Nineteen of these cases (17.8%) had sebaceous gland melanosis. Skin biopsy specimens from 71 dogs with follicular dysplasia were similarly examined and 27 (38.0%) had sebaceous gland melanosis. Sebaceous gland melanosis alone cannot be used to differentiate histologically follicular dysplasia and endocrine skin disorders. Résumé— Des biopsies cutanées provenant de 107 chiens présentant des troubles cutanés associés à une dysendocrinie ont été examinées pour la rechereche de granules de mélanine dans les glandes sébacées ou dans leurs canaux (mélanose des glandes sébacées). Dix neuf de ces cas (17,8%) présentaient une mélanose des glandes sébacées. Des biopsies provenant de 71 chiens à dysplasic folliculaire ont été examinées de la même manière et 27 (38%) de ces cas présentaient également une mélanose des glandes sébacées. La mélanose des glandes sébacées seule ne peut être utilisée pour différencier histopathologiquement les dysplasies folliculaires des lésions cutanées associées à une dysendocrinie. [Bagladi, M.S., Scott, D.W., Miller, W.H. Sebaceous gland melanosis in dogs with endocrine skin disease or follicular dysplasia: A retrospective study (Mélanose des glandes sébacées chez des chiens présentant une dysendocrinic à expression cutanée et chez des chiens présentant une dysplasie folliculaire). Veterinary Dermatology 1996; 7 : 85–90.] Resumen Se examinó la presencia de gránules de melanina en las glándulas sebáceas (melanosis de glándulas sebáceas) en muestras de biopsia cutánea de 107 perros con desequilibrios endocrinos cutáneos. Diecinueve de estos casos (17.8%) mostraban melanosis de glándulas sebáceas. Las muestras de biopsia cutánea de 71 perros con displasia folicular se examinaron de forma similar y 27 (38.0%) mostraban melanosis de glándulas sebáccas. La melanosis de glándulas sebáceas en sí no puede utilizarse para diferenciar histológicamente entre la displasia folicular y los desequilibrios endocrinos. [Bagladi, M.S., Scott, D.W., Miller, W.H. Sebaceous gland melanosis in dogs with endocrine skin disease or follicular dysplasia: A retrospective study (Melanosis glandulas sebaceas en perros con enfermedad endocrina o dysplasia folicular: estudio retrospectivo). Veterinary Dermatology 1996; 7 : 85–90.] Zusammenfassung— Es wurden Hautbiopsien von 107 Hunden mit endokrinen Hauterkrankungen auf das Vorkommen von Melaningranula in den Talgdrüsen oder -ausführungsgängen (Talgdrüsenmelanose) untersucht. 19 dieser Fälle (17,8%) zeigten Talgdrüsenmelanose. Die Hautbiopsien von 71 Hunden mit follikulärer Dysplasie wurden auf ähnliche Weise untersucht, 27 davon (38,0%) wiesen ebenfalls Talgdrüsenmelanose auf. Talgdrüsenmelanose allein kann nicht dazu verwendet werden, um histologisch follikuläre Dysplasie und endokrine Hauterkrankungen zu unterscheiden. [Bagladi, M. S., Scott, D. W., Miller, W. H. Sebaceous gland melanosis in dogs with endocrine skin disease of follicular dysplasia: a retrospective study (Talgdrüsenmelanose bei Hunden mit endokrinen Hauterkrankungen oder follikulärer Dysplasie: eine retrospektive Studie). Veterinary Dermatology 1996; 7 : 85–90.] 相似文献
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Lumpy skin disease (LSD) is an infectious viral disease affecting cattle, cause severe economic losses. In the last few years, the disease is widely distributed in many countries in the Middle East, including Egypt. This study aimed to determine the genetic character of LSDV circulating in some governorates in Egypt and its relation with other LSDVs and vaccine strains in GenBank. A total of 50 skin nodules and 50 blood samples were collected from clinically affected cattle to detect LSDV using PCR targeting the P32 gene. The positive samples were characterized using PCR targeting the GPCR gene. The amplified products of four samples detected in the skin nodule of cattle from Alexandria and Kafr ElSheikh governorates were sequenced, and the phylogenetic tree was constructed. Out of 100 analyzed samples, 70 samples were positive for LSDV by PCR assay. In addition, the sequence alignment of the obtained LSDV strains detected in the Alexandria governorate showed high similarity to the LSDV genome (MN995838). In contrast, LSDV strains from Kafr ElSheikh governorate revealed high similarity and the previous Egyptian strain (MG970343), which was isolated from cattle in Sharkia governorate in 2016. Also, the phylogenetic analysis confirmed that one of the LSDV strain (LC601598) from Alexandria is closely related to the LSDV of Menofia/Egypt/2019 (MN271722), while another one (LC601597) is closely related to vaccine strains of LSDV. Moreover, the LSDV strains from Kafr Elsheikh showed closely related to previous LSDV strains isolated from Menofia (MG970343) and Dakahlia (KP071936) governorates and clustered with other LSDV strains in a distinct cluster. This information is for understanding the epidemiology of LSDV and supporting the establishment of an efficient control program for the disease. 相似文献
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M.C. Peleteiro C. Pinto J.J. Correia J.F. Silva & S. Branco 《Veterinary dermatology》2000,11(4):299-304
This paper presents two cases of cutaneous neoplasia in Friesian cows, on the island of S. Miguel, Azores. The lesions consisted of raised pink plaques, with no pruritus or signs of associated pain, that were extensively distributed over both lateral and ventral body surfaces. The histological examination of the material obtained by skin biopsy or post-mortem suggested a T cell lymphoma with extensive epidermal infiltration. The lymph nodes showed extensive invasion by tumour cells. The results of immunocytochemistry, which were the same for the tumour cells in the skin and in the lymph node, were positive for CD3, confirming the T cell origin of the tumour cells. It was concluded that these were cases of T cell lymphoma, involving both skin and lymph nodes. Although there have been other reports of cutaneous lymphosarcoma in the literature, these are the first cases identified in the Azores. 相似文献
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牛结节性皮肤病又称牛结节性皮炎、牛结节疹或牛疙瘩皮肤病。临床上以发热、皮肤出现水肿、消瘦、淋巴结肿大、局部溃疡、可形成坚硬的结节为主要特征,世界动物卫生组织将该病列为法定报告的动物疫病。该病潜伏期长,病毒流行传播快不易发现;发病急,是严重影响养牛业健康发展的疫病之一。加强生物安全的综合防控措施,强化动物检疫工作,可以最大限度地减少疫情的传播。牛结节性皮肤病的发生,早诊断、早处置,对控制疫情的蔓延极为重要。各地畜牧兽医部门应建立内部疫情通报制度,落实疫情报告责任,使疫情地区接壤的相关区域尽快建立免疫隔离区,防止疫病的蔓延和传播。 相似文献
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牛结节性皮肤病（LSD）是《中华人民共和国进境动物检疫疫病名录》中的一类传染病,在新疆出现之后迅速在全国范围扩散,对我国的奶牛和肉牛养殖业造成严重经济损失。LSD主要通过在边境地区的动物贸易或虫媒活动传入未发生疫情的国家,疫苗接种被认为是防控 LSD疫情最有效的方法之一。各国根据本土疫情的传播情况,制定了不同的疫苗接种计划,目前用来预防LSD的疫苗主要为针对不同病原的减毒活疫苗。但是,在防控LSD的同时也造成了生物安全风险,导致重组疫苗样毒株引发的疫情从中亚向东亚迅速蔓延。只有将切断传播途径、保护易感动物和管控生物安全相结合,才能有效预防LSD疫情爆发,促进养殖业的繁荣发展。 相似文献
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郏县红牛结节病是牛养殖业中的常见疾病,是由病毒引起郏县红牛的一种急性、亚急性或慢性、传染病。该病的临床特征是病牛发热、消瘦,淋巴结肿大,皮肤、水肿、局部形成坚硬的结节或溃疡为主要特征。 相似文献
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Two cases of canine dermatophytic pseudomycetoma resulting in subcutaneous nodules resembling those previously reported in Persian cats are described. Culture performed from one nodule yielded dark yellow colonies consistent with Microsporum canis. Immunohistochemistry, using rabbit anti-M. canis, demonstrated specific binding to fungal elements in paraffin sections. The specificity of the antiserum was further tested by an agar gel immunodiffusion assay using a soluble extract from a feline isolate of M. canis as antigen. The antiserum did not cross-react with an Aspergillus fumigatus antigen. These are the first two reported cases of canine dermatophytic pseudomycetoma and immunohistochemical staining supported the diagnosis. 相似文献