1ST FEEDING OF ATLANTIC SALMON (SALMO-SALAR L) UNDER DIFFERENT PHOTOPERIODS

被引:28
作者
BERG, A [1 ]
HANSEN, T [1 ]
STEFANSSON, S [1 ]
机构
[1] UNIV BERGEN, CTR HIGH TECHNOL, DEPT FISHERIES & MARINE BIOL, N-5014 BERGEN, NORWAY
关键词
D O I
10.1111/j.1439-0426.1992.tb00691.x
中图分类号
S9 [水产、渔业];
学科分类号
0908 ;
摘要
Juvenile Atlantic salmon (Salmo salar L.) were first fed under four different static photoperiods (LD 24:0, LD 21:3, LD 18:6, LD 12:12) in two experiments. Under LD 24:0, continuous feeding or feeding 12 hours per day did not affect growth rate. In both experiments the group on continuous light (LD 24:0) had highest growth rate. Growth was reduced on reduced daylength. It is suggested that the difference in growth between long day (LD 21:3) and continuous light (LD 24:0) was caused by a growth inhibition during the dark period.
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页码:251 / 256
页数:6
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