title: Timing of first feeding and life-history strategies in salmon: genetic data.
abstract: To investigate the relationship between genetic composition and some physiological traits of interest (age at smoltification, precocious maturation in male parr) in early and late first feeding Atlantic salmon, genetic variation at 6 isozyme and 8 microsatellite loci was examined. Early and late first feeding salmon showed different allelic and genotypic distributions at both isozyme and microsatellite loci. A positive relation between enzymatic loci heterozygosity and precocious active alimentation and earlier smoltification (S1 cf. S2) were also found.
authors.affiliation: Departamento de Biología Funcional, Universidad de Oviedo, Oviedo, Asturias, Spain.
authors.forename: H
authors.initials: H
authors.lastname: Pineda
authors.forename: Y J
authors.initials: YJ
authors.lastname: Borrell
authors.forename: I
authors.initials: I
authors.lastname: McCarthy
authors.forename: E
authors.initials: E
authors.lastname: Vázquez
authors.forename: J A
authors.initials: JA
authors.lastname: Sánchez
authors.forename: G
authors.initials: G
authors.lastname: Blanco
mesh_terms: D000483:Alleles; D000818:Animals; D005247:Feeding Behavior; D005260:Female; D005787:Gene Frequency; D014644:Genetic Variation; D006579:Heterozygote; D008297:Male; D018895:Microsatellite Repeats; D020033:Protein Isoforms; D012474:Salmon / Q000502:physiology*; D012737:Sex Factors; D013997:Time Factors
chemical_list: D020033:Protein Isoforms