大黄鱼溃疡病的组织病理和超微病理研究

doi:10.11978/j.issn.1009-5470.2010.05.174

Journal of Tropical Oceanography ›› 2010, Vol. 29 ›› Issue (5): 174-179.doi: 10.11978/j.issn.1009-5470.2010.05.174cstr: 32234.14.j.issn.1009-5470.2010.05.174

• Marine biology • Previous Articles Next Articles

Histopathological and ultrapathological study on ulcer disease of Pseudosciaena crocea

DAI Yu-lai1, LÜ Yong-lin2, LI Kai2, TAO Zhen3, WANG Guo-liang1

1. Faculty of Life Science and Biotechnology of Ningbo University, Ningbo 315211, China; 2. Wenzhou Fisheries Technology Exten-sion Service, Wenzhou 325003, China; 3. Fisheries College of Ocean University of China, Qingdao 266100, China

Received:2009-10-22 Revised:2010-04-29 Online:2010-10-30 Published:2011-10-10
Contact: 王国良(1955—)，男，浙江省舟山市人，教授，主要从事水产动物病害研究。 E-mail:wanggl@nbip.net
About author:戴瑜来(1986—)，男，浙江省奉化市人，在读硕士研究生，主要从事水产动物病害研究。E-mail: dylaiuai111@163.com
Supported by:
教育部长江学者与创新团队项目(IRT0734); 农业部公益性行业科研专项(200903029); 浙江省科技厅重点攻关项目(2005C23080);
温州市科技局科技兴海项目(S20060039)

Abstract

Abstract:

The skeletal muscle, gill, kidney, spleen and intestine of Pseudosciaena crocea infected with ulcer disease were pathologically analyzed by tissue slice and ultramicrocut electron microscopy techniques. The histopathology showed patho-logical changes of ulcer disease were degenerative inflammation. The main manifestations were the broken myofilaments and inflammatory infiltration in skeletal muscle, and swelling and fusion in the gill. Denaturalization and necrosis emerged in the cells of gill, and the vacuolations, in the hepatic parenchymal cells. The connective tissues showed abnormity, so did the renal tubular epithelial cells. In addition, diffused hemorrhage was found in the kidney, and inflammation was seen in the spleen and intestine. The findings in ultrastructure showed that the myofilaments of skeletal muscle were disturbed and broken, and that the swelling and rupture appeared in the mitochondria as well as the mitochondria in the liver. The liver showed fatty degeneration of hepatocyte and necrosise evidently. The structure and nucleolus of kidney changed; the spleen cells formed fibrosis, and the structure of intestinal walls was seriously destroyed. The results indicated that pathological change widely occurred in ulcer dis-ease of Pseudosciaena crocea tissue cells and caused serious damage to body tissue and the function of liver, spleen, kidney and other major organs. The infected fish lost the normal physiological metabolism, and its feeding ability was gradually diminished, which eventually led to its death. Finally, some suggestions are given for preventing ulcer disease of Pseudosciaena crocea.

Key words: ulcer disease, Pseudosciaena crocea, histopathology, ultrastructure

DAI Yu-lai,Lü Yong-lin,LI Kai,TAO Zhen,WANG Guo-liang. Histopathological and ultrapathological study on ulcer disease of Pseudosciaena crocea[J].Journal of Tropical Oceanography, 2010, 29(5): 174-179.

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Histopathological and ultrapathological study on ulcer disease of Pseudosciaena crocea

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