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Effects of aquaculture conditions on blood chemistry property and lysozyme activity of starry flounder, Platichthys stellatus  

Kwon, Mun-Gyeong (Fisheries Resources Restoration Project center, National Fisheries Research and Development Institute)
Lim, Han-Kyu (Aquaculture Management Team, National Fisheries Research and Development Institute)
Min, Byung-Hwa (Aquaculture Management Team, National Fisheries Research and Development Institute)
Byun, Soon-Gyu (East Sea Mariculture Research Center, National Fisheries Research and Development Institute)
Kim, Yi-Cheng (East Sea Mariculture Research Center, National Fisheries Research and Development Institute)
Cho, Byoung-Youl (Ulsan Regional Maritinte Affairs and Fisheries office)
Publication Information
Journal of fish pathology / v.20, no.3, 2007 , pp. 281-289 More about this Journal
Abstract
We have investigated lysozyme activity and protectivity of starry flounder, Platichthys stellatus against olive flounder pathogenic bacteria, Edwardsiella tarda, Vibrio ichthyoenteri and Streptococcus iniae in varying salinities, water temperatures and stocking density. Starry flounders were susceptible to E. tarda but not V. ichthyoenteri and S. iniae. Under low salinity condition, the lysozyme activity was decreased a little compared to the control but not significant. The physiological and immune activities were normal up to 26 ℃ culture temperature and 100% stocking density; they were compromised from 29℃ and 200%, respectively.
Keywords
Starry flounder; Aquaculture condition; Immunity; Pathogenicity;
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