alexa ADULT TRIPLOIDS IN A RAINBOW TROUT FAMILY
Agri and Aquaculture

Agri and Aquaculture

Fisheries and Aquaculture Journal

Author(s): GARY H THORGAARD

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Six triploid individuals were found in a full-sib family of 11 adult rainbow trout (Salmo gairdneri) from a domesticated hatchery stock. The triploid individuals were normal in size and external appearance, had underdeveloped gonads, and showed no evidence of 3n/2n chimerism or mosaicism. XXY triploids were males, suggesting that the Y chromosome is male determining in trout. Because they may avoid production losses associated with sexual maturation in normal fish, triploid trout and salmon could potentially be useful in fish culture.

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This article was published in Genetics and referenced in Fisheries and Aquaculture Journal

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