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Title: Korean mistletoe enriched diet enhances innate immune response in kelp grouper, Epinephelus bruneus against Philasterides dicentrarchi. Author: Harikrishnan R, Balasundaram C, Heo MS. Journal: Vet Parasitol; 2011 Dec 29; 183(1-2):146-51. PubMed ID: 21807463. Abstract: The present study investigated the immunostimulatory effect of Korean mistletoe Viscum album extract (KM-E) on innate immune response in kelp grouper Epinephelus bruneus against Philasterides dicentrarchi. Kelp grouper were divided into four groups of 25 each and fed with 0 (control), 0.5, 1.0, and 2.0% enriched diets with Korean mistletoe extract (KM-E). After feeding for 30 days, the fish were injected intraperitoneally (i.p.) with 100 μl of P. dicentrarchi (4.2 × 10(7)ciliates/ml) to study the immune responses at weeks 1, 2, and 4. The respiratory burst activity did not significantly enhance when fed with 0.5% and 1.0% supplementation diets on week 1 when compared to control diet. On weeks 2 and 4, the respiratory burst activity significantly increased with 1.0% and 2.0% diets. The phagocytic activity significantly enhanced with 1.0% and 2.0% diets, but not with 0.5% diet at any time. When fed with 1.0% KM-E-diet the lysozyme activity did not significantly vary at any week whereas with 1.0% and 2.0% diets it was significantly enhanced. The total protein level significantly increased with 1.0% and 2.0% KM-E-diets from weeks 1 to 4 as compared to control. The present study suggests that 1.0% or 2.0% KM-E-supplementation diet positively enhances the innate immune response in E. bruneus against P. dicentrarchi infection.[Abstract] [Full Text] [Related] [New Search]