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Evaluation of Feed Stimulants in Diets for Sea Bream (Sparus aurata)

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Title: Evaluation of Feed Stimulants in Diets for Sea Bream (Sparus aurata)
Authors: Chatzifotis, Stavros
Arias, Marta Vazquez
Papadakis, Ioannis E.
Divanach, Pascal
Keywords: sea bream, betaine, feeding stimulants, fishmeal replacement, fish hydrolysate, growth, inosine-5’-monophosphate (IMP), krill meal, protorsan, squid meal, taurine
LC Subject Headings: Fish culture--Israel--Periodicals.
Fish culture--Periodicals.
Issue Date: 2009
Publisher: Israeli Journal of Aquaculture - BAMIGDEH
Citation: Chatzifotis, S., Arias, M.V., Papadakis, I.E., & D.P. (2009). Evaluation of Feed Stimulants in Diets for Sea Bream (Sparus aurata). The Israeli Journal of Aquaculture - Bamidgeh, 61(4), 315-321.
Series/Report no.: The Israeli Journal of Aquaculture - Bamidgeh
Abstract: Six isoprotein and isolipidic diets were formulated to investigate the effect of dietary additives on growth and feed efficiency of sea bream (Sparus aura- ta) fry fed a fishmeal-based diet for 80 days. The additives (protorsan, hydrolyzed fish protein, squid meal, krill meal, and betaine + inosine-5’- monophosphate) were added to the diets at the expense of fishmeal. The specific growth rates of the fish ranged from 2.17-2.18% per day for the pro- torsan and control groups to 2.42% per day for the group fed the squid addi- tive. Significant differences (p<0.05) in final body weight and specific growth rate were detected only between the protorsan and control groups and the squid additive group. The feed conversion ratio ranged from 1.04 in the group fed hydrolyzed fish protein group to 1.24 in the group fed krill with no statistically significant differences (p>0.05) between treatments. The feed stimulating action of taurine was tested by observation. Pellets coated in a taurine solution were more actively consumed than control pellets during the morning feeding but consumption did not differ during the afternoon feeding.
Pages/Duration: 7 pages
ISSN: 0792-156X
Appears in Collections:IJA Volume 61, Issue 4, 2009

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