ISSN : 1225-3480
본 연구는 <TEX>${\beta}$</TEX>-glucan이 첨가된 사료첨가제 (이뮨글루<TEX>$^{TM}$</TEX>) 급이시 전복의 비특이 면역력의 증강 효과와 전염성 질병 감염 시 생존율의 변화를 확인하고자 수행되었다. 이를 위하여 참전복 치패와 성패를 대상으로 이뮨글루<TEX>$^{TM}$</TEX> 0, 0.1, 1%가 함유된 사료를 14일간 급이 하면서 면역력, 정균력, 생존율 등을 조사하였다. 조사 결과 이뮨글루<TEX>$^{TM}$</TEX>가 함유된 사료를 급이한 전복의 치패와 성패의 식세포작용이 증가하였으며 전복폐사 원인균인 Vibrio alginolyticus에 대한 정균력과 생존율이 상승하였다. 반면 염증량을 나타내는 NO량 역시 증가하였다. 따라서 <TEX>${\beta}$</TEX>-glucan이 첨가된 사료첨가제 이뮨글루<TEX>$^{TM}$</TEX>는 전복 사육 시 전복의 면역력을 높이고 폐사율을 낮추는데 유용한 것으로 판단된다.
The present study aimed to understand the effects of a ß-glucan-added abalone feed (Immuneglu™) on the immune parameters, survival rate, and anti-bacterial activity of the abalone Nordotis discus hannai. During the study, spat and adult abalones were fed 0, 0.1, and 1% of Immuneglu™ mixed with artificial feed for 2 weeks, and their immune parameters, survival rate, and anti-bacterial activity were measured. The results showed that abalones fed on Immuneglu™-added feed showed a higher phagocytic rate, survival rate, and anti-bacterial activity against Vibrio alginolyticus, than those with the control treatment. In addition, the nitric oxide concentration, which indicates an inflammatory response, increased in the treatment group. Our study suggests that Immuneglu™ might be a useful additive for increasing the immunity and survival rates of abalones during mass culture.
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