Journal
FISH & SHELLFISH IMMUNOLOGY
Volume 23, Issue 4, Pages 892-896Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.fsi.2007.02.008
Keywords
ascorbyl polyphosphate; Bacillus subtilis; Probiotics; rohu (Labeo rohita Ham.); vitamin C
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The immunostimulatory effect of probiotics and vitamin C has been established in many systems including fish. An investigation was carried out to study the effect of dietary supplementation of a probiotic bacterium Bacillus subtilis, vitamin C in the form of ascorbyl polyphosphate and their combination on the immune response of Indian major carp, rohu, (Labeo rohita Ham.) fingerlings fed for a period of 60 days. The total serum protein and globulin content was significantly higher (P < 0.05) in probiotic (B. subtilis @ 10(8) CFU/g of the feed) fed group while the respiratory burst activity of blood neutrophils was significantly high in vitamin C (ascorbyl polyphosphate @ 100 mg per kg diet) fed group. The antibody level was significantly high in Bacillus subtilis treated group followed by the probiotic (B. subtilis @ 10(8) CFU/g of the feed) and ascorbyl polyphosphate (ascorbyl polyphosphate @100 mg per kg diet) combined group. The least percentage of mortality was recorded in B. subtilis treated group (25%) followed by 35 and 40% in ascorbyl polyphosphate treated and B. subtilis and ascorbyl polyphosphate combined groups, respectively. (c) 2007 Elsevier Ltd. All rights reserved.
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