Influence of photoperiod and temperature on hatching and emergence of Baltic salmon ( Salmo salar L.)

• Published in: Canadian Journal of Zoology
• Main Author: Brännäs, Eva
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 1987
• Subjects: Animal Science and Zoology; Ecology, Evolution, Behavior and Systematics; Umeälven; Northern Sweden; Salmo salar
• Online Access: http://dx.doi.org/10.1139/z87-232; http://www.nrcresearchpress.com/doi/pdf/10.1139/z87-232

The influence of photoperiod and temperature on hatching and emergence of Salmo salar L. was studied experimentally. Eggs were taken from a hatchery-reared Umeälven (Ume River) stock in northern Sweden (63°50′ N, 20°05′ E). Eggs kept in a light regime of 16L: 8D hatched mainly during the light perio...