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颗粒饲料携带细菌与大菱鲆疾病发生的相关性 被引量:7
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作者 刘朝阳 王印庚 孙晓庆 《南方水产》 2009年第4期13-21,共9页
白便症是工厂化养殖大菱鲆Scophthalmus maximus的一种常见和多发病,常造成大规模的死亡。2006年针对大菱鲆所用饲料携带细菌与其疾病发生的关系展开调查。调查发现,山东蓬莱(A)、莱州(B)和威海(C)3家大菱鲆养殖场均不同程度的感染了白... 白便症是工厂化养殖大菱鲆Scophthalmus maximus的一种常见和多发病,常造成大规模的死亡。2006年针对大菱鲆所用饲料携带细菌与其疾病发生的关系展开调查。调查发现,山东蓬莱(A)、莱州(B)和威海(C)3家大菱鲆养殖场均不同程度的感染了白便症,损失惨重。为查明病因,从切断病原入手,详细调查了这3家养殖场的病鱼、水源和养殖所用的颗粒饲料,通过细菌分离和形态学比较,发现颗粒饲料携带细菌KL-1与大菱鲆白便症的病原菌BB-1具有一致性,经常规生理生化测试、API-ID32E鉴定和16S rRNA序列分析,发现KL-1与BB-1是同一种细菌,为假交替单胞菌属的一种(Pseudoalteromonas sp.),人工感染试验也证明这2株细菌都是大菱鲆白便症的致病原,感染症状与自然发病特征基本一致,表明颗粒饲料携带细菌是大菱鲆白便症的直接病原。并对菌株KL-1和BB-1进行了药敏试验测试,为该疾病的控制提供参考。 展开更多
关键词 白便症 颗粒饲料 细菌 疾病 相关性
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Utility of faecal calprotectin analysis in adult inflammatory bowel disease 被引量:5
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作者 Lyn A Smith Daniel R Gaya 《World Journal of Gastroenterology》 SCIE CAS CSCD 2012年第46期6782-6789,共8页
The inflammatory bowel diseases (IBD), Crohn's disease and ulcerative colitis, are chronic relapsing, remitting disorders. Diagnosis, along with assessment of disease activity and prognosis present challenges to m... The inflammatory bowel diseases (IBD), Crohn's disease and ulcerative colitis, are chronic relapsing, remitting disorders. Diagnosis, along with assessment of disease activity and prognosis present challenges to managing clinicians. Faecal biomarkers, such as faecal calprotectin, are a non-invasive method which can be used to aid these decisions. Calprotectin is a calcium and zinc binding protein found in the cytosol of human neutrophils and macrophages. It is released extracellularly in times of cell stress or damage and can be detected within faeces and thus can be used as a sensitive marker of intestinal inflammation. Faecal calprotectin has been shown to be useful in the diagnosis of IBD, correlates with mucosal disease activity and can help to predict response to treatment or relapse. With growing evidence supporting its use, over the last decade this faecal biomarker has significantly changed the way IBD is managed. 展开更多
关键词 Faecal calprotectin Inflammatory bowel disease Crohn's disease Ulcerative colitis Faecal biomarker
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