Feeding of early- and late-hatched whitefish in illuminated cages
1999
Dostatni, D. | Mamcarz, A. | Kozlowski, J. | Poczyczynski, P. (Warmia and Masuria University, Olsztyn (Poland))
In 1992-93 tank-cage rearing of whitefish larvae was carried out. The fish hatched in two different periods: in 1992 larvae hatching took place at the beginning of March, and in 1993 - in the second half of April. The larvae were kept in tanks for the first 3 weeks of their life. Fish rearing in the next 6 weeks was carried out in the illuminated lake cages (placed in Lake Leginskie). Feeding activity of whitefish larvae was strictly related to the dynamics of energy content in crustacean zooplankton occurring in the lake
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