Monitoring of trace metals, biochemical composition and growth of Axillary seabream (Pagellus acarne Risso, 1827) in offshore Copper alloy net cage

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Published: Feb 12, 2016
DOI: https://doi.org/10.12681/mms.1297
Keywords:
Axillary seabream Pagellus acarne trace metals copper alloy growth performance cage aquaculture
M. YIGIT
Canakkale Onsekiz Mart University, Faculty of Marine Science and Technology
B. CELIKKOL
University of New Hampshire, Department of Ocean Engineering
M. BULUT
Canakkale Onsekiz Mart University, Faculty of Marine Science and Technology, Departments of Aquaculture and Marine Technology
R. DWYER
International Copper Association
J. DECEW
University of New Hampshire, Department of Ocean Engineering
B. OZALP
Canakkale Onsekiz Mart University, Faculty of Marine Science and Technology, Department of Marine Science
S. YILMAZ
Canakkale Onsekiz Mart University, Faculty of Marine Science and Technology, Department of Aquaculture
H. KAYA
Canakkale Onsekiz Mart University, Faculty of Marine Science and Technology, Department of Marine Science
B. KIZILKAYA
Canakkale Onsekiz Mart University, Faculty of Marine Science and Technology, Department of Aquaculture
O. HISAR
Canakkale Onsekiz Mart University, Faculty of Marine Science and Technology, Department of Marine Science
H. YILDIZ
Canakkale Onsekiz Mart University, Faculty of Marine Science and Technology, Department of Aquaculture
U. YIGIT
Canakkale Onsekiz Mart University, Faculty of Marine Science and Technology, Department of Aquaculture
M. SAHINYILMAZ
Canakkale Onsekiz Mart University, Faculty of Marine Science and Technology, Department of Aquaculture
R. L. DWYER
International Copper Association, New York
Abstract
The study was conducted to assess trace metal contents, biochemical composition and growth performance of axillary seabream (Pagellus acarne Risso, 1827) cultured in a copper alloy mesh cage. A total of 400 axillary seabream (initial mean weight: 176.0±14.0 g), a new candidate species for the Mediterranean aquaculture, were stocked into a high-density polyethylene frame gravity cage and fed a commercial seabream diet for a period of 6 months. At the end of the feeding trial, fish reached a final weight of 264.8±16.8 g with a weight increase of 88.8 g and a feed conversion rate of 2.51. Overall, relative growth rate, specific growth rate and feed conversion ratio were satisfactory and comparable to the pelagic fishes such as gilthead seabream or European seabass, which are presently the main fish species for the Mediterranean aquaculture industry. Trace elements in fish grown in copper alloy net cages over a 6-month period showed satisfactory results, as the metal concentrations in fish tissues such as liver, skin, muscle and gills were below the reported upper limits for human consumption, indicating that copper alloy net is an acceptable and safe material for finfish cage aquaculture. Furthermore, from the growth performance data obtained in the present study, it can be concluded that axillary seabream showed potential for cage farming, and thus is a promising new candidate for the Mediterranean aquaculture industry.
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Author Biographies
M. YIGIT, Canakkale Onsekiz Mart University, Faculty of Marine Science and Technology

Department of Aquaculture and Marine Technology

Head of Department

Prof.Dr.

B. CELIKKOL, University of New Hampshire, Department of Ocean Engineering
Department of Ocean Engineering
M. BULUT, Canakkale Onsekiz Mart University, Faculty of Marine Science and Technology, Departments of Aquaculture and Marine Technology
Department of Aquaculture and Marine Technology
R. DWYER, International Copper Association
Technology Development
J. DECEW, University of New Hampshire, Department of Ocean Engineering
Department of Ocean Engineering
B. OZALP, Canakkale Onsekiz Mart University, Faculty of Marine Science and Technology, Department of Marine Science
Department of Marine Science
S. YILMAZ, Canakkale Onsekiz Mart University, Faculty of Marine Science and Technology, Department of Aquaculture

Department of Aquaculture

H. KAYA, Canakkale Onsekiz Mart University, Faculty of Marine Science and Technology, Department of Marine Science
Department of Marine Science
B. KIZILKAYA, Canakkale Onsekiz Mart University, Faculty of Marine Science and Technology, Department of Aquaculture
Department of Aquaculture
O. HISAR, Canakkale Onsekiz Mart University, Faculty of Marine Science and Technology, Department of Marine Science
Department of Marine Science
H. YILDIZ, Canakkale Onsekiz Mart University, Faculty of Marine Science and Technology, Department of Aquaculture
Department of Aquaculture
U. YIGIT, Canakkale Onsekiz Mart University, Faculty of Marine Science and Technology, Department of Aquaculture
Department of Aquaculture
M. SAHINYILMAZ, Canakkale Onsekiz Mart University, Faculty of Marine Science and Technology, Department of Aquaculture
Department of Aquaculture