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Female homogamety in grass carp ctenopharyngodon idella determined by gynogenesis

Stanley, J.G.

Journal of the Fisheries Research Board of Canada 33(6): 1372-1374

1976


DOI: 10.1139/f76-175
Accession: 005454740

Gynogenesis occurred in eggs of grass carp (C. idella) treated with X-irradiated milt from goldfish (Carassius auratus). Gynogenetic offspring were females, which indicates functional female homogamety in grass carp. Five of these gynogenetic fish were used as an egg source for a 2nd generation of artificially gynogenetic fish. The percentage yield in this 2nd generation was about the same as in the 1st, which suggests that the tendency to become diploid is not strongly heritable.

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