scholarly journals Polygenic and major‐locus contributions to sexual maturation timing in Atlantic salmon

2021 ◽  
Author(s):  
Paul V Debes ◽  
Nikolai Piavchenko ◽  
Annukka Ruokolainen ◽  
Outi Ovaskainen ◽  
Jacqueline E Moustakas‐Verho ◽  
...  
Keyword(s):  
Atlantic Salmon ◽  
Sexual Maturation ◽  
Major Locus

Effects of rearing density on sexual maturation and growth in sea-cage reared Atlantic salmon, Salmo salar L.

1992 ◽  
Vol 23 (3) ◽  
pp. 353-365
Author(s):  
H. A. McLAY ◽  
A. F. YOUNGSON ◽  
R. S. WRIGHT ◽  
R. JOHNSTONE
Keyword(s):  
Atlantic Salmon ◽  
Salmo Salar ◽  
Sexual Maturation ◽  
Atlantic Salmon Salmo Salar ◽  
Rearing Density ◽  
Sea Cage

scholarly journals Evaluation of antibody response to an adjuvanted hapten-protein vaccine as a potential inhibitor of sexual maturation for farmed Atlantic salmon

2017 ◽  
Vol 71 ◽  
pp. 255-263 ◽  
Author(s):  
Darcy S.O. Mora ◽  
Mo D. Salman ◽  
Christopher A. Myrick ◽  
Jack C. Rhyan ◽  
Lowell A. Miller ◽  
...  
Keyword(s):  
Atlantic Salmon ◽  
Antibody Response ◽  
Sexual Maturation ◽  
Protein Vaccine ◽  
Potential Inhibitor ◽  
Farmed Atlantic Salmon

scholarly journals Sexual maturation in Atlantic salmon male parr may be triggered both in early spring and late summer under standard farming conditions

2021 ◽  
Author(s):  
Elia Ciani ◽  
Kristine von Krogh ◽  
Rasoul Nourizadeh-Lillabadi ◽  
Ian Mayer ◽  
Romain Fontaine ◽  
...  
Keyword(s):  
Atlantic Salmon ◽  
Sexual Maturation ◽  
Late Summer ◽  
Early Spring ◽  
Plasma Testosterone ◽  
Farmed Salmon ◽  
Early Maturing ◽  
Advanced Stages ◽  
One Year ◽  
Immature Fish

AbstractMale Atlantic salmon (Salmo salar) display different sexual strategies, maturing either as parr during the freshwater phase (as sneaky spawners), or as post smolts following one or several years at sea. First sexual maturation (puberty) occurs at different times depending on environmental and genetic factors. To improve our knowledge on the timing (age and season) of first sexual maturation in Atlantic salmon male parr, we investigated pubertal activation in second generation farmed salmon from the Norwegian river Figgjo, reared under natural conditions of photoperiod and water temperature. Histological analysis, in combination with morphometric measurements, plasma androgen levels and pituitary gonadotropin gene expression analysis revealed that, as previously reported, some male parr initiated early sexual maturation in spring at one year of age. Interestingly, some male parr were observed to initiate sexual maturation already in autumn, six months after hatching (under-yearlings), much earlier than reported in previous studies. One-year old maturing males showed a low induction in gonadotropin levels, while under-yearling maturing males displayed a significant increase in fshb transcripts as compared to immature fish. Plasma testosterone, detectable also in immature males, increased constantly during testes development, while 11-ketotestosterone, undetectable in immature and early maturing males, increased during more advanced stages of maturation. A mild feminization of the testes (ovotestes) was detected in a subset of samples. This study brings new knowledge on the little investigated field of sexually maturing under-yearlings in Atlantic salmon. This is also the first study comparing the physiology of under-yearling vs one-year old maturing male parr, thus bringing new insights to the remarkable plasticity of Atlantic salmon puberty.

Pituitary and plasma growth hormone dynamics during sexual maturation of female Atlantic salmon

2010 ◽  
Vol 167 (1) ◽  
pp. 77-85 ◽  
Author(s):  
Susana Benedet ◽  
Eva Andersson ◽  
Christian Mittelholzer ◽  
Geir Lasse Taranger ◽  
Björn Thrandur Björnsson
Keyword(s):  
Growth Hormone ◽  
Atlantic Salmon ◽  
Sexual Maturation ◽  
Plasma Growth Hormone

scholarly journals Detection of Quantitative Trait Loci (QTL) Related to Grilsing and Late Sexual Maturation in Atlantic Salmon (Salmo salar)

2013 ◽  
Vol 16 (1) ◽  
pp. 103-110 ◽  
Author(s):  
Alejandro P. Gutierrez ◽  
Krzysztof P. Lubieniecki ◽  
Steve Fukui ◽  
Ruth E. Withler ◽  
Bruce Swift ◽  
...  
Keyword(s):  
Quantitative Trait Loci ◽  
Atlantic Salmon ◽  
Salmo Salar ◽  
Sexual Maturation ◽  
Quantitative Trait ◽  
Atlantic Salmon Salmo Salar ◽  
Trait Loci

scholarly journals Genomic signatures of fine-scale local selection in Atlantic salmon suggest involvement of sexual maturation, energy homeostasis and immune defence-related genes

2018 ◽  
Vol 27 (11) ◽  
pp. 2560-2575 ◽  
Author(s):  
Victoria L. Pritchard ◽  
Hannu Mäkinen ◽  
Juha-Pekka Vähä ◽  
Jaakko Erkinaro ◽  
Panu Orell ◽  
...  
Keyword(s):  
Atlantic Salmon ◽  
Sexual Maturation ◽  
Energy Homeostasis ◽  
Immune Defence ◽  
Fine Scale ◽  
Genomic Signatures ◽  
Local Selection

scholarly journals Genome-Wide Association Study (GWAS) for Growth Rate and Age at Sexual Maturation in Atlantic Salmon (Salmo salar)

PLoS ONE ◽  
2015 ◽  
Vol 10 (3) ◽  
pp. e0119730 ◽  
Author(s):  
Alejandro P. Gutierrez ◽  
José M. Yáñez ◽  
Steve Fukui ◽  
Bruce Swift ◽  
William S. Davidson
Keyword(s):  
Growth Rate ◽  
Atlantic Salmon ◽  
Association Study ◽  
Salmo Salar ◽  
Sexual Maturation ◽  
Genome Wide Association Study ◽  
Genome Wide Association ◽  
Atlantic Salmon Salmo Salar ◽  
Genome Wide

Effects of aromatase inhibitors on sexual maturation in Atlantic salmon, Salmo salar, male parr

1995 ◽  
Vol 14 (1) ◽  
pp. 15-24 ◽  
Author(s):  
Efthimia Antonopoulou ◽  
Ian Mayer ◽  
Ingemar Berglund ◽  
Bertil Borg
Keyword(s):  
Atlantic Salmon ◽  
Salmo Salar ◽  
Aromatase Inhibitors ◽  
Sexual Maturation ◽  
Atlantic Salmon Salmo Salar

scholarly journals Sexual maturation and smoltification in domesticated Atlantic salmon (Salmo salar L.) - is there a developmental conflict?

2018 ◽  
Vol 6 (17) ◽  
pp. e13809 ◽  
Author(s):  
Per Gunnar Fjelldal ◽  
Rüdiger Schulz ◽  
Tom O. Nilsen ◽  
Eva Andersson ◽  
Birgitta Norberg ◽  
...  
Keyword(s):  
Atlantic Salmon ◽  
Salmo Salar ◽  
Sexual Maturation ◽  
Atlantic Salmon Salmo Salar
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