Evaluation of immune response and resistance to diseases in tiger shrimp, Penaeus monodon fed with biofilm of Vibrio alginolyticus

Fish & Shellfish Immunology
S R Krupesha SharmaSuguna Rao

Abstract

Immune response in juvenile tiger shrimp, Penaeus monodon fed with biofilm (BF) and free cells (FC) of Vibrio alginolyticus was studied by evaluating the hemocyte count, phenoloxidase activity and antibacterial activity. The above immune responses were higher in BF fed shrimp than that in FC fed or control shrimp. Among the different doses of BF of V. alginolyticus tested, 10(9) cfu g(-1) shrimp day(-1) for two weeks could evoke higher immune response. BF fed shrimp were more resistant to injection challenge with V. alginolyticus and whitespot syndrome virus (WSSV) with significantly higher RPS compared to that with FC fed and control shrimp. Better resistance was also reflected by rapid clearance of V. alginolyticus and WSSV from the hemolymph as confirmed by immunodot and histopathology.

References

Jan 1, 1985·Annual Review of Microbiology·M R Brown, P Williams
Jan 1, 1981·Annual Review of Microbiology·J W CostertonK J Cheng
Jul 2, 2003·Fish & Shellfish Immunology·Valerie J SmithChris Hauton
Jan 23, 2004·Diseases of Aquatic Organisms·Joseph Selvin, A P Lipton

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