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Effects of two different organic acid blands in olive flounder
Gunhyun Park,Jun ho Lee,Hyeon ho Yun,Craig L. Browdy,Anant S. Bharadwaj,SLingchu,C. Bai 한국유기농업학회 2011 韓國有機農業學會誌 Vol.19 No.S
This expe끼ment was conducted to evaluate the effect of two different organic acid products as antibiotic replacement in olive flounder paralichthys olivaceus . Fish averaging 3.5 ::!:: 0.05 g(mean ::!:: SD) were fed one of the ten semi-purified diets : Diet 1 ; Control , Diet 2 ; add antibiotics - 50mg OTC / kg body weight / day(OTC), Diet 3; Add organic acid bland A(OABA) - 4g/kg diet, Diet 4 ; add organic acid bland B(OABB) - 4g/kg diet for 10 weeks. Total gut microflora counts were significantly higher in the control group compared to the OTC and organic acid groups(P <0.05). Fish fed OABA, 。ABB and OTC had lower gut Vibrio counts compared to the control, but were not significantly different. Results from the challenge study indicate that mortality in the different treatment groups (50%) was significantly lower than those observed for the control group (100%). There were no differences in mortality between the OTC and organic acid groups. Overall findings from this study indicate that the organic acid blends A and B were as effective as oxytetracycline, an antibiotic, in regulating total gut bacterial numbers, Vibrio counts and providing protection against a pathogen such as Edwardsiella tarda.
Effects of two different organic acid blands in olive flounder
Park, Gun-Hyun,Lee, Jun-Ho,Yun, Hyeon-Ho,Browdy, Craig L.,Bharadwaj, Anant S.,Bai, Sung-Chul C. Korean Association of Organic Agriculture 2011 韓國有機農業學會誌 Vol.19 No.S
This experiment was conducted to evaluate the effect of two different organic acid products as antibiotic replacement in olive flounder paralichthys olivaceus. Fish averaging $3.5{\pm}0.05$ g($mean{\pm}SD$) were fed one of the ten semi-purified diets : Diet 1 ; Control, Diet 2 ; add antibiotics - 50mg OTC/kg body weight/day(OTC), Diet 3 ; Add organic acid bland A(OABA) - 4g/kg diet, Diet 4 ; add organic acid bland B(OABB) - 4g/kg diet for 10 weeks. Total gut microflora counts were significantly higher in the control group compared to the OTC and organic acid groups(P<0.05). Fish fed OABA, OABB and OTC had lower gut Vibrio counts compared to the control, but were not significantly different. Results from the challenge study indicate that mortality in the different treatment groups (50%) was significantly lower than those observed for the control group (100%). There were no differences in mortality between the OTC and organic acid groups. Overall findings from this study indicate that the organic acid blends A and B were as effective as oxytetracycline, an antibiotic, in regulating total gut bacterial numbers, Vibrio counts and providing protection against a pathogen such as Edwardsiella tarda.