Comparative analysis of biochemical and immunological indexes in carp of different selection groups
The object was to study some biochemical and immunological indexes of resistance to rubella in angelinsky and other breeds of carps. Under intensive cultivation and unilateral selection of fishes, the efficiency of their resistance to diseases decreases. One solution of this problem is selection on increased immune stability. From carp’s breeds available now, only angelinsky breed passed long selection on productivity against a provocative background to rubella. The angelinsky mirror carp was shown to have increased resistance to disease. An elevated serum concentration of cholesterol was indicated in angelinsky carp. The levels of tissue antioxidant activity in angelinsky carp, in Volga frame carp and in scaly southern zone type were higher compared with another breeds. The elevated values of serum bactericidal activity in Chuvash scaly and anishsky mirror breeds in comparison with fishes of other breeds are possibly connected with specific traits of their rearing and feeding.