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Despite great advances in new technologies for breeding and rearing fish, little progress is noted in prophylactic technologies for spawners, particularly those used in carp rearing. The condition and non-specific immunity of males and females has a decisive impact on the quality and fertilization of spawn, on the course of rearing larvae and fry in the first weeks of life, and on the subsequent stages...
Abstract - 5 protein systems, i.e. transferrin and esterase of blood serum, LHD, SOD, and Hb of blood cells (8 loci), were investigated in four Polish breeding lines of carp, i.e. 2, 3, 6, and St. Polymorphism was found for Tf*, EST-1*, LDH-B1*, and SOD-2* loci. Only line 3 was in a condition of genetic balance with regard to the investigated loci. On the basis of the frequency alleles the homo- and...
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