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Population Growth of the Freshwater Cladoceran, Diaphanosoma excisum, Fed Different Densities of the Alga, Scenedesmus acuminatus
|Title:||Population Growth of the Freshwater Cladoceran, Diaphanosoma excisum, Fed Different Densities of the Alga, Scenedesmus acuminatus|
|Authors:||Ovie, Solomon I.|
Ovie, Stella O.
|Keywords:||population growth, zooplankton, Diaphanosoma excisum, feeding, alga, Scenedesmus acuminatus|
|LC Subject Headings:||Fish culture--Israel--Periodicals.|
|Publisher:||Israeli Journal of Aquaculture - BAMIGDEH|
|Citation:||Ovie, S.I., & Ovie, S.O. (2008). Population Growth of the Freshwater Cladoceran, Diaphanosoma excisum, Fed Different Densities of the Alga, Scenedesmus acuminatus. The Israeli Journal of Aquaculture - Bamidgeh, 60(2), 107-112.|
|Series/Report no.:||The Israeli Journal of Aquaculture - Bamidgeh|
|Abstract:||The freshwater cladoceran, Diaphanosoma excisum Sars 1885, was fed the micro-alga Scenedesmus acuminatus, at one of six densities (0.5, 1.0, 1.5, 2.0, 3.0, or 4.0 x 106 cells/ml) in 40-l glass aquaria. The D. excisum density increased as the Scenedesmus density increased to 1.5 x 106 cells/ml, in which it peaked at 7345 individuals per liter. Population growth was inhibit- ed at higher algae densities. The percent of egg-bearing females and the number of eggs per egg-bearing female followed a similar pattern. Production of approximately 7000 individuals per liter was encouraging from a mass production point of view and indicates that S. acuminatus is suitable for use as a live starter feed for D. excisum which, in turn, is a live feed for larvae of induced-breeding in fish hatcheries.|
|Appears in Collections:||IJA Volume 60, Issue 2, 2008|
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