The kinetics of primary and secondary immune response of Indian major carps, Catla catla, Labeo rohita and Cirrhinus mrigala to sheep red blood cells (SRBC)were studied in detail at three different age groups of 120,150 and 270 days old. Fish were immunized by injection () with 106 cells/fish of SRBC suspension. The second injection was given at 20 days after the first injection with same dose. All age groups of each species produced detectable humoral antibody titers on 6th days after the first injection. Higher age groups produced higher antibody titers after first as well as second injection. | Kinetics of immune response of Indian major carps to sheep red blood cells SRBC
