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Effect of Stocking Density on Growth and Survival of Sub-Adult Tench (Tinca tinca Linnaeus 1758)

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Title: Effect of Stocking Density on Growth and Survival of Sub-Adult Tench (Tinca tinca Linnaeus 1758)
Authors: Pantazis, Panagiotis A.
Keywords: tench
ration level
show 1 morewater recirculation system
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LC Subject Headings: Fish culture--Israel.
Fish culture.
Issue Date: 2012
Series/Report no.: The Israeli Journal of Aquaculture - Bamidgeh
Abstract: Three hundred and fifty-nine (359) sub-adult tench were allocated to twelve tanks to investigate the effect of stocking density on survival and growth. The experimental population consisted of two weight groups (small = 11.27-11.36 g and large = 15.38-15.44 g) and two initial stocking densities (1.4 kg/m3 and 2.5 kg/m3). The experiment lasted seven months (217 days). The total lack of deformities in the caudal peduncle in all groups and the low incidence of mortality indicate that sub-adult tench cultured in a water recirculation system perform well when stocked at a relatively high stocking density (2.5 kg/m3) and fed 1.0% of their body weight per day. By the end of the experiment, the weight of the best-performing groups increased 83-90% and confirmed the hypothesis that high densities favor the growth and survival of sub-adult tench reared in artificial tanks in a water recirculation system.
Pages/Duration: 6 pages
ISSN: 0792-156X
Appears in Collections:Volume 64, 2012

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