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Genetics of larvae and spat growth rate in the oysterCrassostrea virginica

โœ Scribed by G. F. Newkirk; L. E. Haley; D. L. Waugh; R. Doyle

Publisher
Springer-Verlag
Year
1977
Tongue
English
Weight
362 KB
Volume
41
Category
Article
ISSN
0025-3162

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โœฆ Synopsis

The heritability of oyster (Crassostrea virginica) larval growth rate was estimated to be in the range of 0.25 to 0.50 and a significant part of this genetic variation is of the additive type. Larval growth rate and spat growth rate were found to be highly correlated. These results suggest that a selection program for faster growing larvae and spat would be successful.

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## Abstract Interspecific hybridization of bivalve molluscs within the genera __Crassostrea__ and __Pinctada__ have yielded progeny of one parental type, leading to speculation of gynogenetic or androgenetic development. Therefore, meiotic and early mitotic events of oocytes from the oysters __Cras