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Iranian Journal of Fisheries Sciences، جلد ۱۳، شماره ۱، صفحات ۷۳-۸۰
عنوان فارسی
چکیده فارسی مقاله
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عنوان انگلیسی Using Oman Sea Sargassum illicifolium meal for feeding white leg shrimp Litopenaeus vannamei
چکیده انگلیسی مقاله 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.
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نویسندگان مقاله m حافظیه | m hafezieh


d اژدری | d ajdari


a ajdehakosh پور | a ajdehakosh por


سید حسین حسینی | s h hosseini


نشانی اینترنتی http://www.jifro.ir/browse.php?a_code=A-10-1272-62&slc_lang=en&sid=en
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کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده Biology &amp; physiology
نوع مقاله منتشر شده پژوهشی
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