Berrill I.K., Porter M.J.R., Bromage N.R. 2006 – The effects of daily ration on growth and smoltification in 0+ and 1+ Atlantic salmon (Salmo salar) parr – Aquaculture 257: 470-481.10.1016/j.aquaculture.2006.03.023
Birt T.P., Green J.M. 1986 – Parr-smolt transformation in female and sexually mature male anadromous and nonanadromus Atlantic salmon, Salmo salar – Can. J. Fish. Aquat. Sci. 43: 680-686.
Birzaks J., Peslaks J., Urtāńs Ē., Aleksējevs Ē. 1997 – Piekrastes un iekšējo ūdeņu zivis – In: Latvijas zivsaimniecības gadagrāmata 1996/97 (Ed.) N. Riekstiņš, Zivju fonds, Riga: 135-160.
Davidsen J.G., Daverdin M., Sjursen A.D., Rønning L., Arnekleiv J.V., Koksvik J.I. 2014 – Does reduced feeding prior to release improve the marine migration of hatchery brown trout Salmo trutta smolts? – J. Fish Biol. 85: 1992-2002.10.1111/jfb.12485
Dębowski P., Glogowski J., Robak S., Dobosz S. 1999 – Smoltification of hatchery-reared Atlantic Salmon (Salmo salar L.) – indices and methods of estimation – Arch. Pol. Fish. 7: 267-279.
Dickhoff W.W., Folmar L.C., Gorbman A. 1978 – Changes in plasma thyroxine during smoltification of coho salmon, Oncorhynchus kisutch – Gen. Comp. Endocr. 36: 229-232.
Ebbesson L.O.E., Ekstrom P., Ebbesson S.O.E., Stefansson S.O., Holmqvist B. 2003 – Neural circuits and their structural and chemical reorganization in the light-brain-pituarity axis during parr-smolt transformation in salmon – Aquaculture 222: 59-70.10.1016/S0044-8486(03)00102-9
Folmar L.C., Dickhoff W.W. 1980 – The parr-smolt transformation (smoltification) and seawater adaptation in salmonids: A review of selected literature – Aquaculture 21: 1-37.10.1016/0044-8486(80)90123-4
Holzer G., Laudet V. 2015 – Thyroid Hormones: A Triple-Edged Sword for Life History Transitions – Curr. Biol. 25: 344-347.10.1016/j.cub.2015.02.02625898108
Jones D.A., Bergman E., Greenberg L.A. 2015 – Food availability in spring affects smolting in brown trout (Salmo trutta) – Can. J. Fish. Aquat. Sci. 72: 1649-1699.10.1139/cjfas-2015-0106
Jonsson N., Jonsson B. 2003 – Energy density and content of Atlantic salmon: variation among developmental stages and types of spawners – Can. J. Fish. Aquat. Sci. 60: 506-516.10.1139/f03-042
Katz A.H., Katz H.M. 1978 – Effects of DL-thyroxine on swimming speed in pearl danio Brachydanio albolineatus (Blyth.) – J. Fish Biol. 12: 527-530.10.1111/j.1095-8649.1978.tb04198.x
Lans L., Greenberg L.A., Karlsson J., Calles O., Schmitz M., Bergman E. 2011 – The effects of ration size on migration by hatchery-raised Atlantic salmon (Salmo salar) and brown trout (Salmo trutta) – Ecol. Freshw. Fish. 20: 548-557.10.1111/j.1600-0633.2011.00503.x
McCormick S.D., Björnsson B.T. 1994 – Physiological and hormonal differences among Atlantic salmon parr and smolts reared in the wild, and hatchery smolts – Aquaculture 121: 235-244.10.1016/0044-8486(94)90023-X
McCormick S.D., Haro A., Lerner D.T., O’Dea M.F., Regish A.M. 2014 – Migratory patterns of hatchery and stream-reared Atlantic salmon Salmo salar smolts in the Connecticut River, U.S.A. – J. Fish Biol. 85: 1005-1022.10.1111/jfb.12532
Munakata A., Miura G., Matsuda H. 2014 – Evaluation of seasonal and daily changes of plasma thyroxine and cortisol levels in wild masu salmon Oncorhynchus masou, samples by a Japanese fishing method – J. Fish Biol. 85: 1253-1262.
Ojima D., Iwata M. 2009 – Central administration of growth hormone-releasing hormone triggers downstream movement and schooling behavior of chum salmon (Onchorhynchus keta) fry in an artificial stream – Comp. Biochem. Physiol. 152: 293-298.10.1016/j.cbpa.2008.06.037
Olsson I.C., Greenberg L.A., Eklov A.G. 2001 – Effect of an artificial pond on migrating brown trout smolts – N. Am. J. Fish. Manage. 21: 498-506.10.1577/1548-8675(2001)021<;0498:EOAAPO>2.0.CO;2
Osborn R.H., Simpson T.H., Youngson A.F. 1978 – Seasonal and diurnal rhythms of thyroidal status in the rainbow trout, Salmo gairdneri Richardson – J. Fish Biol. 12: 531-540.
Quigley D.T.G., Harvey M.J., Hayden T.J., Dowling C., O’Keane M.P. 2006 – A comparative study of smoltification in sea trout (Salmo trutta L.) and Atlantic salmon (Salmo salar L.): seawater tolerance and thyroid hormone titres – Biology and Environment: Proceedings of the Royal Irish Academy, 106: 35-47.
Rutkovska I., Medne R. 2015 – Morphological changes in artificially reared one year old sea trout (Salmo trutta L.) during spring – Research for Rural Development. Annual 21st International Scientific Conference proceedings, Vol. 1, Jelgava 13-15.05.2015, Latvia University of Agriculture, Jelgava: 189-193.
Sokal R.R., Rohlf F.J. 2000 – Biometry: the principles and practice of statistics in biological research (3rd ed.) – W.H. Freeman and company, New York, 879 p.
Stefansson S.O., Bjornsson B.T., Sundell K., Nyhammer G., McCormick S.D. 2003 – Physiological characteristics of wild Atlantic salmon post-smolts during estuarine and coastal migration – J. Fish Biol. 63: 942-955.10.1046/j.1095-8649.2003.00201.x
Zydlewski G.B., Stich D.S., McCormick S.D. 2014 – Photoperiod control of downstream movements of Atlantic salmon Salmo salar smolts – J. Fish Biol. 85: 1023-1041.10.1111/jfb.1250925263186