UNISEX AND POLYPLOID POPULATIONS OF CYPRINID AND SILURID FISH
Keywords:
GYNOGENESIS, EUROPEAN CATFISH, GYNOGENETIC CARP, TRIPLOID CARP, GROWTH, SURVIVAL
Abstract
Methods were worked out of an induced gynogenesis for carp and European catfish and a method of producing triploid carp, adequate to Polish conditions. Survival and growth rates of the gynogenetic carp were much lower than of non-gynogenetic fish. Triploid carp during the first and second year of life did not differ from the diploid ones with respect to the survival. However, they showed lower survival in the third year. Growth rates of triploid carp appeared somewhat greater than of diploids during the second year of life only.
