Applications of selection for multiple traits in cage-reared Atlantic salmon ( Salmo salar)

Selection indices using fry length, percent smolt after 18 months in fresh water (S1), market size and mature size of two-sea-winter Atlantic salmon yielded gains of 0.57 and 0.71 standard deviations on an index scale in the progeny. All measured traits increased except smolt rate in the late-run st...

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Bibliographic Details
Published in:Aquaculture 1995-12, Vol.137 (1), p.213-217
Main Authors: Friars, G.W., Bailey, J.K., O'Flynn, F.M.
Format: Article
Language:English
Subjects:
Aquaculture
DESCENDANCE
Fish
Genetics
INDEX DE SELECTION
INDICE DE SELECCION
PROGENIE
PROGENY
RENDEMENT
RENDIMIENTO
SALMO SALAR
SELECTION INDEX
Selection indices
YIELDS
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Summary:Selection indices using fry length, percent smolt after 18 months in fresh water (S1), market size and mature size of two-sea-winter Atlantic salmon yielded gains of 0.57 and 0.71 standard deviations on an index scale in the progeny. All measured traits increased except smolt rate in the late-run stock. Index selection was applied to a stock, with a high incidence of sexual maturity after one sea winter (grilse), that had demonstrated a positive realized responses to a single generation of mass selection for size. The increase in the second generation progeny performance indicated that genetic gains were cumulative between the first and second generation.
ISSN:0044-8486
1873-5622
DOI:10.1016/0044-8486(95)01101-3