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- Title
Innate immune responses in families of Indian major carp, Labeo rohita, differing in their resistance to Edwardsiella tarda infection.
- Authors
Mohanty, B. R.; Sahoo, P. K.; Mahapatra, K. D.; Saha, J. N.
- Abstract
Genetic variation in the innate immune responses of Indian major carp, rohu (Labeo rohita) families was investigated. Innate immune responses were measured among the fullsib families of rohu, produced using nested mating design for increased growth. Significant differences as well as large variations in each of the immune parameters were observed. The natural resistance of each family to Edwardsiella tarda infection was also assessed by intraperitoneal challenge study. A wide variation in per cent survival (0 to 100) was noticed among the families after bacterial challenge. A positive significant (P < 0.05) correlation was observed between per cent survival and superoxide production as measured through nitroblue tetrazolium assay. On the other hand, no significant correlation was observed between other immune parameters, viz. serum lysozyme activity, serum myeloperoxidase content, plasma glucose content, serum haemolysin, haemagglutination and bacterial agglutination titres measured and the per cent survival.
- Subjects
IMMUNE response; ROHU; LABEO; EDWARDSIELLA tarda; FISH genetics; SUPEROXIDES; LYSOZYMES
- Publication
Current Science (00113891), 2007, Vol 92, Issue 9, p1270
- ISSN
0011-3891
- Publication type
Article