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 پایگاه استنادی علوم جهان اسلام (ISC)

پایگاه اطلاعات جهاد دانشگاهی (SID) 



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:: Volume 13, Issue 1 (2014) ::
IJFS 2014, 13 Back to browse issues page
Using Oman Sea Sargassum illicifolium meal for feeding white leg shrimp Litopenaeus vannamei
M Hafezieh * , D Ajdari , A Ajdehakosh Por , S.H Hosseini
, jhafezieh@yahoo.com
Abstract:   (9162 Views)
The brown seaweed Sargassum illicifolium is abundant along the Iranian coastline of the Oman Sea in which is rich in nutrients. The aim of the present study was to test the hypothesis which it can be used as a source of protein in shrimp diets. The experiment was conducted in a laboratory, 2013, where 3g shrimp juvenile acclimation in a 5000L tank. They were then kept in plastic tank containing 300L sea water and 30 shrimp juveniles in which were fed daily (3% of biomass) in four equal portions with one of four different diets in four repetitions for a period of 45 days. All diets contained 33% crude protein (isoprotein) and 355 kcal 100 g−1 (isocaloric), with different percentages of Sargassum powder: Diet “A” 15% Diet “B” 10%, Diet “C” 5%, and Diet “D” (Control) without seaweed. Final biomass values ranged from 120.89 to 128.66 g. L−1 weight gains in biomass ranged from 106.49 to 124.36 g L−1, and SGR ranged from 4.68 to 5.68% exhibited no significant differences between treatments(p>.05). Survival rate 95.2 to 97.0% was almost equal under the four experimental conditions (p>.05). Diets “A” and “B”, with a greater content of algae, exhibited better feed conversion (1.15:1 and 1.17:1) than diets “C” and “D” (1.30:1 and 1.33:1) (p<.05). The physicochemical variables of the water showed no significant variation and remained within the standards necessary for the wellbeing of the animals. If sufficient biomass of beached algae can be practically and economically collected, it can be used as a component in the making of shrimp feed.
Keywords: Sargassum, Diet, Shrimp, Growth rate, Survival rate, Oman Sea
Full-Text [PDF 156 kb]   (4104 Downloads)    
Type of Study: Orginal research papers | Subject: Biology & physiology
Received: 2014/04/28 | Accepted: 2014/04/28 | Published: 2014/04/28
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Hafezieh M, Ajdari D, Ajdehakosh Por A, Hosseini S. Using Oman Sea Sargassum illicifolium meal for feeding white leg shrimp Litopenaeus vannamei. IJFS 2014; 13 (1) :73-80
URL: http://jifro.ir/article-1-1427-en.html


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Volume 13, Issue 1 (2014) Back to browse issues page
Iranian Journal of Fisheries Sciences Iranian Journal of Fisheries Sciences
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