Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/47913
Title: The effects of long-day photoperiod on growth, body composition and skin colour in immature gilthead sea bream (Sparus aurata L.)
Authors: Ginés, Rafael 
Afonso, Juan Manuel 
Arguello, A 
Zamorano, MJ 
López, Juan Luis
Keywords: Melanin-Concentrating Hormone
Sexual-Maturation
Dietary-Protein
Somatic Growth
Rainbow-Trout, et al
Issue Date: 2004
Publisher: 1355-557X
Journal: Aquaculture Research 
Abstract: Immature gilthead sea bream (Sparus aurata L.) with a mean initial weight of 25.6 g were reared over 11 months to market size under different photoperiods: 16L:8D; 24L:0D and a control. Differences in final mean weight were significant between the three treatments (P<0.001): 16L:8D, 465.0 g; 24L:0D, 445.9 g; control, 402.6 g. Fish from the 24L:0D consumed most while 16L:8D fish converted it most efficiently. The lipid content of fillets was lower (P<0.05) for the 24L:0D (5.37+/-0.16 g 100 g(-1) of fillet) than for the control (6.02+/-0.12 g), and the moisture content lower for the control than for either treatment groups. Skin luminosity (L-*) was directly related to the number of hours of light exposure.
URI: http://hdl.handle.net/10553/47913
ISSN: 1355-557X
DOI: 10.1111/j.1365-2109.2004.01126.x
Source: Aquaculture Research[ISSN 1355-557X],v. 35 (13), p. 1207-1212
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