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RISS 인기검색어
- 검색키워드
- 저자 : 우승호 ( Sung Ho Woo ) (검색결과 14 건)
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어류 병원성 세균 공격 후 마늘, Allium sativum 착즙액의 침지가 넙치, Paralichthys olivaceus의 면역반응에 미치는 영향
우승호 ( Sung Ho Woo ),이준희 ( Jun Hee Lee ),김이경 ( Yi Kyung Kim ),조미영 ( Mi Young Cho ),정승희 ( Sung Hee Jung ),김진우 ( Jin Woo Kim ),박수일 ( Soo Il Park ) 한국어병학회 2010 한국어병학회지 Vol.23 No.2
This study was aimed to investigate the effects in different immersion doses of garlic, Allium sativum, juice to modulate on the nonspecific immune responses of the olive flounder, Paralichthys olivaceus, artificially prechallenged with Streptococcus iniae BS10 and Edwardsiella tarda KE-1, respectively. The nonspecific immune responses of the tested fish were assessed in term of skin mucus lysozyme activity, the change of bacterial cell counts in organs, the number of lymphocytes and neutrophils in blood, and SOD activity. Almost groups of the prechallenged with either S. iniae BS10 or E. tarda KE-1 fish which had been immersed in garlic juice showed the enhanced skin mucus lysozyme activity, the number of lymphocytes and neutrophils in blood, and SOD activity in the kidney but the decreased the number of bacterial cell in surveyed organs. RPS in the group immersed in 0.25 g/L of garlic juice was much higher than in other immersed test groups. These results suggested that the garlic juice immersion can be effective on enhancement of the nonspecific immune responses and the protective ability of olive flounder to the artificial challenge with S. iniae BS10 and E. tarda KE-1.
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Yeast $\beta$-glucan 첨가 사료가 뱀장어의 비특이적 면역 반응에 미치는 영향
김진도,우승호,김이청,이준희,조용철,최상민,박수일,Kim, Jin-Do,Woo, Sung-Ho,Kim, Yi-Cheong,Lee, Jun-Hee,Cho, Yong-Chul,Choi, Sang-Min,Park, Soo-Il 한국어병학회 2008 한국어병학회지 Vol.21 No.3
The effects of dietary yeast β-glucan administration on growth, nonspecific immune responses, serum lysozyme, skin mucous lysozyme, NBT (nitroblue tetrazolium) reduction by phagocytes, and disease resistance against Edwardsiella tarda in Japanese eel, Anguilla japonica were evaluated. Fish were fed the diets supplemented with 0%, 0.1% and 0.5% of yeast β-glucan to a commercial diet for 6 weeks. The body weight gain from the fish fed on the 0.5% supplemented diet for 6 weeks was significantly higher than the control. Both serum and skin mucous lysozyme were significantly higher in the all experimental groups except 2 weeks of 0.5% group. The bactericidal activity of serum was slightly increased at 6 weeks. Also, The intracellular superoxide anion production of kidney phagocytes was significantly higher in the all experimental groups. The diet supplemented with 0.1% were also found to raise the relative percent survival (RPS) of Japanese eel after an artificial challenge with 1×107 cells of Edwardsiella tarda per fish. The results suggested the potential of yeast β-glucan to activate some innate immune responses and to improve the growth in Japanese eel.
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질병의 증상을 보이는 해수 양식 어류에서 분리한 비브리오속 세균
김수미,원경미,우승호,이화,김은전,최광진,조미영,김명석,박수일,Kim, Su-Mi,Won, Kyung-Mi,Woo, Sung-Ho,Li, Hua,Kim, Eun-Jeon,Choi, Kwang-Jin,Cho, Mi-Young,Kim, Myung-Suk,Park, Soo-Il 한국어병학회 2005 한국어병학회지 Vol.18 No.2
A bacteriological survey in maricultured fish farms was conducted in Korea from 2002 to 2004. A total number of 166 Vibrio isolates were collected from diseased fishes, including olive flounder (133 isolates), black rock fish (8 isolates), red sea bream (6 isolates), shrimp (5 isolates), black sea bream (4 isolates), abalone (3 isolates) and other fishes (7 isolates). All isolates were phenotypically characterized and then groups were obtained using the traditional biochemical test. Representative isolates of each group were genotypically characterized with sequencing the 16S rRNA genes or 16S-23S intergenic space genes. Above 14 species of Vibrio were identified as V. ichthyoenteri (45 strains), V. alginolyticus (34 strains), V. harveyi (32 strains), Ph. damselae subsp. damselae (Formerly V. damsela, 10 strains), V. campbellii (6 strains), V. costicola-like (6 strains), V. fisheri (5 stains), V. fluvialis (4 strains) and others Vibrio sp. (24 strains) by combining of biochemial and genetic characteristics.
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김진우 ( Jin Woo Kim ),이한나 ( Han Na Lee ),지보영 ( Bo Young Jee ),우승호 ( Sung Ho Woo ),김영재 ( Young Jae Kim ),이무근 ( Mu Kun Lee ) 한국어병학회 2012 한국어병학회지 Vol.25 No.3
The practical monitoring was performed to survey the mortalities in aquaculture farms of olive flounder, rockfish, rainbow trout, Japanese eel, white shrimp and abalone in South Korea from May to November, 2011. The aquatic organism disease inspectors, who have the national licenses for the diagnosis and prevention of aquatic disease and have close relationship with the farms, investigated the rates and causes of mortalities according to the standard manual. In 70 flounder farms, the cumulative mortalities rate was 27.9%, and the mortalities were caused by scuticociliatosis, streptococcosis, VHS, non-infectious loss, vibriosis and gliding bacterial disease. The moralities rate of 30 rockfish farms was 13.6%, and those were mainly contributed by gill flukes and streptococcosis. Most of mortalities of rainbow trout were caused by non-infectious loss and protozoan white spot disease. The mortalities rate of Japanese eel was 0.6% by edwardsiellosis, protozoan white spot disease and gill flukes. The loss rate of white shrimp was 71.2%, and most of them was related with non-infectious ones, such as carnivalization, transportation loss, and the rest was caused by viral white spot disease. The mortalities rate in the abalone farms was 10.7% and all of them were related with non-infectious loss.
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마늘, Allium sativum이 넙치, Paralichthys olivaceus의 면역반응에 미치는 영향
이준희 ( Jun Hee Lee ),우승호 ( Sung Ho Woo ),엄용환 ( Yong Hwan Eom ),황분옥 ( Bun Ok Hwang ),권문경 ( Mun Gyeong Kwon ),방종득 ( Jong Deuk Bang ),박수일 ( Soo Il Park ) 한국어병학회 2010 한국어병학회지 Vol.23 No.1
This study was aimed to investigate the effects of injection of garlic, Allium sativum, extract and immersion in garlic juice on the nonspecific immunity and the resistance against the artificial infection of Streptococcus iniae and Edwardsiella tarda of the olive flounder, Paralichthys olivaceus. The nonspecific immune mechanisms were assessed in terms of lysozyme activity, nitroblue-tetrazolium (NBT) assay and superoxide dismutase (SOD) activity etc. Relative percent survival (RPS) was assessed by the challenge with S. iniae BS10 or E. tarda KE-1. Almost of the garlic extract injected groups showed the enhanced level of the tested nonspecific immune factors. In the challenge test with S. iniae and E. tarda, RPS of 5% garlic extract pre-injected group was much higher than that of any other tested groups, respectively. Almost of the garlic juice immersion tested groups exhibited strengthened nonspecific immune defence factors, lysozyme activity, the number of lymphocytes and neutrophils, NBT reduction and SOD activity in kidney. In the challenge with S. iniae and E. tarda, RPS in the 0.25g/L of garlic juice immersed group was much higher than any other tested groups, respectively. The results suggest that the garlic extract and juice would be effective to enhance the nonspecific immunity and protective ability of olive flounder against fish disease such as S. iniae and E. tarda.
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