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여윔증 넙치, Paralichthys olivaceus의 증상에 대한 병태생리학적 고찰
김이경 ( Yi Kyung Kim ),정준범 ( Joon Bum Jeong ),이무근 ( Mu Kun Lee ),박수일 ( Soo Il Park ),박명애 ( Myeong Ae Park ),최미경 ( Mi Kyung Choe ),여인규 ( In Kyu Yeo ) 한국어병학회 2011 한국어병학회지 Vol.24 No.1
This study was aimed to investigate the pathophysiological changes of olive flounder, Paralichthys olivaceus suffering from emaciation. A plasma osmolality was higher in the emaciated and control flounders than that of normal teleost, suggesting osmoregulatory failure in both of them. Also, the control in the same stock with emaciated flounder seem to be classified into a primary degree of emaciation. According to microscopic observations, the inflammatory responses were observed in the submucosal layer of anterior intestine, although the some of mucosal intestinal epithelium still remained. It was suggested that the pathological changes of the anterior part give rise to malabsorption of nutrients through the mucosa. In the posterior intestine and rectum, the mucosal epithelium were almostly sloughed off and severe inflammatory responses were observed in the submucosa. Immunoreaction for NKCC was not detected in the mucosal epithelial cells in intestine because of sloughing of epithelium. These changes would lead to functional disorder in the intestine, such as malabsorption of nutrients and osmoregulatory failure. Also important is to investigate the recovery phase.
김위식 ( Wi Sik Kim ),장민석 ( Min Seok Jang ),정성주 ( Sung Ju Jung ),김석렬 ( Seok Ryel Kim ),박명애 ( Myoung Ae Park ),이정호 ( Jeong Ho Lee ),명정인 ( Jeong In Myeong ),오명주 ( Myung Joo Oh ) 한국어병학회 2011 한국어병학회지 Vol.24 No.1
The specific antibody response of olive flounder, Paralichthys olivaceus to different water temperature were tested by enzyme-linked immunosorbent assay (ELISA). In the rearing temperature of 15℃, first anti-bovine serum albumin (BSA) antibody titer was appeared after 14 days of immunization, whereas 24∼48 days post-immunization (PI) resulted maximum antibody titer in all 5 experimental fish with optical density (OD) values 1.94∼3.04. At the end of the experiment (84 days), 0.03∼1.28 OD values were observed. In the rearing temperature of 12∼13℃, first antibody titer was found 28 days PI in 2 out of 5 fish. Three fish shown high OD titer (1.88∼2.68) between 56 and 70 days and OD values of 0.49 to 2.35 were observed at 84 days. However, the anti-BSA antibodies of two fish showed less than 0.8 OD values until 84 days. In the rearing temperature of 10℃, specific antibody appeared at 56 days, maximum antibody titer was observed at 70 days in 2 out of 5 fish (OD values: 1.37∼1.53) and 1.00 to 1.11 OD values were observed at 84 days. Rest 3 fish showed OD values of 0.12 to 0.68 much below to that of other 2 fish, throughout the experimental period. In conclusion, specific antibody response of olive flounder at high temperature was much faster, higher and longer than that at lower temperature.