SEAFDEC, Southeast Asian Fisheries Development Center (1998) AQD Research publications reprints of papers listed here may be requested directly from AQD authors. SEAFDEC Asian Aquaculture, Vol.20 (1). p. 4. ISSN 0115-4974
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The effects of different illumination levels on zooplankton abundance and feeding periodicity, growth and survival of hatchery -produced Asian seabass, Lates calcarifer, fry in illuminated floating net cages were determined in a 35-day experiment. Zooplankton abundance (consisting mainly of copepods at 64-78% of total abundance in all cages) was highest in cages illuminated at 180 lx (mean: 124 individuals l-1) and at 300 lx (mean: 405 individuals l-1) and peaked at 0400. High prey densities subsequently resulted in increased fish feeding as evidenced by the greatest number of prey (mean: 416-462 individuals fish -1) found in their guts between 0400 and 0800. Feeding incidence (range: 84- 89% ) was generally higher among fish held in illuminated cages than those reared in dark cages (67%).
| Item Type: | Articles |
|---|---|
| Keywords: | Personalities, Aquaculture, Fry, Juveniles, Biotechnology, Spawning, Larvae |
| Subjects: | Right to Resources |
| Depositing User: | Users 4 not found. |
| Date Deposited: | 31 May 2022 05:49 |
| Last Modified: | 31 May 2022 05:49 |
| URI: | http://icsfarchives.net/id/eprint/12884 |
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