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Effect of Stocking Density and Culture System on Growth and Total Production of Fish in Earthen Ponds [electronic resource].

By:

Ali, M.A.M

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Language: English Summary language: Arabic Description: p.1-11Other title:

تأثير كثافة التخزين ونظام الاستزراع على النمو والانتاج الكلى للاسماك فى الاحواض الترابية [Added title page title]

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Agricultural research journal, Suez Canal University, 2010 v.10(1) [electronic resource].

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In: Agricultural Research Journal, Suez Canal University 2010 v.10(1)Summary: The objective of this study was to estimate the effect of different stocking densities of Mugil cephalus and Mugi/ capito with initial weight of I8.0±2.0g and I5.0±2.0g, respectively in polyculture system, at 'two different total stocking densities (14000 and12000) and monoculture system [1000 oftilapia fish (1O.0±2.0g)] on growth performance, survival rate, total production of pond and carcass composition. Nine fertilized earthen ponds (5 Fed /pond, with 1.6 m water depth) and 25% crude protein as diet were used. Fish were fed twice daily (early morning and made.aicnuton) at a rate of 4% of body weight per day. The physico- chemical parameters of water in ponds were reoorded _ water exchange occurred daily at 10:15% of water size. Different growth measurements were recorded every I5-day intervals during the experimental period (I50 days).

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The objective of this study was to estimate the effect of different stocking densities of Mugil cephalus and Mugi/ capito with initial weight of I8.0±2.0g and I5.0±2.0g, respectively in polyculture system, at 'two different total stocking densities (14000 and12000) and monoculture system [1000 oftilapia fish (1O.0±2.0g)] on growth performance, survival rate, total production of pond and carcass composition. Nine fertilized earthen ponds (5 Fed /pond, with 1.6 m water depth) and 25% crude protein as diet were used. Fish were fed twice daily (early morning and made.aicnuton) at a rate of 4% of body weight per day. The physico- chemical parameters of water in ponds were reoorded _ water exchange occurred daily at 10:15% of water size. Different growth measurements were recorded every I5-day intervals during the experimental period (I50 days).

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