Abstract
The experiment was conducted in an ideal field of non-fully control studying the impact of the arbitration included duckweed plant in water to remove the dissolved nutrients (ammonia, nitrite, nitrate and phosphorus) from waste water of dairy products factory adopted in a period of ten days. The results revealed the treatment of duckweed plant with wet weight 5g/L and another treatment (control) without waste water plant in the dairy factory a gradual reduction of plant nutrients was noticed from the first day except ammonia, which did not show a high concentration during the first days until the fifth day of the two transactions, The total removal minerals of the plant and without plants follow: ammonia 72,73, 27,27%, nitrite, 97,87, 74,40%, nitrates, 83,40, 79,40%, on the tenth day respectively, this means that with plant one higher than without plants, The phosphorus values, 43,81, 48,66%, respectively, on the eighth day of the experiment. Protein and moisture percentages raised to 39,72, 7,66%, respectively, after growing the Duckweed in dairy wastewater if compared with these grown without. When the duckweed grown in dairy wastewater entered in components in fish fed-stuff containing by 5 and 10 %, it an increase of protein, carbohydrates, and ash, the proportions in the duckweed plant, were noticed where the percentages were 40,02, 22,51, 27,02%, respectively, and duckweed plant reduced the rates of water moisture, fat, fiber, as it reached in the duckweed ratios 6,69, 0,37, 3,39% respectively.
Highlights
The results revealed the treatment of duckweed plant with wet weight 5g/L and another treatment (control) without waste water plant in the dairy factory a gradual reduction of plant nutrients was noticed from the first day except ammonia, which did not show a high concentration during the first days until the fifth day of the two transactions, The total removal minerals of the plant and without plants follow: ammonia 72,73, 27,27%, nitrite, 97,87, 74,40%, nitrates, 83,40, 79,40%, on the tenth day respectively, this means that with plant one higher than without plants, The phosphorus values, 43,81, 48,66%, respectively, on the eighth day of the experiment
Effect of partial replacement of fishmeal with duckweed (Lemna pauciscostata) meal on the growth performance of Heterobranchus longifilis fingerlings
Summary
.226-264: ص, بغداد العراق, الجامعة التكنلوجٌة,التكنلوجٌا العراقً السابع محل كستبة فتول الصتوٌا فتً علائتقLemna gibba إحلال عدس الماء.)2444( جعفر محمد جاسم,الداود جامعتة, مقدمته إلتى كلٌتة الزراعتة, رسالة دكتوراه فً علوم الثتروة الحٌوانٌتة,الدجاج البٌاض واللحم الصحاف ,فاضل حسٌن ( .)0777أنظمة الزراعة بدون استخدام تربة ,وزارة التعلٌم العتالً والبحتث العلمتً, جامعة بغداد ,بٌت الحكمة ,طبع مطابع جامعة الموصل ,العراق. الطتائً ,نضتال تحستٌن طته2404( ,أ) .دراستة تحلٌلٌتة لبٌئتة وإنتاجٌتة نبتات عتدس المتاء ,Lemna spp المستعمل فً معالجة مٌاه الصرف الصحً ,أطروحة دكتوراه ,قستم الثتروة الحٌوانٌتة كلٌتة الزراعتة,
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