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https://dspace.ctu.edu.vn/jspui/handle/123456789/4808
Nhan đề: | Study on fish growing in hapa conditions using bio-slurry from co-digestion process |
Tác giả: | Nguyễn, Võ Châu Ngân Nguyễn, Văn Bé Nguyễn, Xuân Dũ |
Từ khoá: | Co-digestion Spent mushroom compost The Mekong Delta Tilapia Water hyacinth |
Năm xuất bản: | 2017 |
Tùng thư/Số báo cáo: | International Journal of Advanced Scientific Research and Management;2 .- p.69-76 |
Tóm tắt: | This study investigates the effects of bio-slurry taken from differently combined digesters and different feeding ratios on the growth of Tilapia fish (Oreochromis niloticus) in hapa conditions. It consists of seven treatments of different feeding formula, namely (i) 100% commercial food (CF); (ii) 100% bio-slurry (BS) from a digester fed by pig dung (PD); (iii) 50%CF+50%BS from a digester fed by 100%PD; (iv) 100%BS from a digester fed by 90%PM+10% spent mushroom compost (SMC); (v) 50%CF+50%BS from a digester fed by 90%PM + 10%SMC; (vi) 100%BS from digester fed by 90%PM +10% water hyacinth (WH); (vii) 50%CF + 50%BS from a digester fed by 90%PM + 10%WH. The experiments were set up in hapa sizing 1 m × 1 m × 1 m installed in fishponds with triplicate for each treatment. The fish size of 5 - 7 g each was stocked at a density of 10 individual per hapa. The fish weight and length were measured every ten days in 50 continuous days. The results show that when feeding 50%BS+50%CF to the hapa, the fish biomass from the treatments PM, PM+SMC, and PM+WH got 43.8, 51.5 and 51.9 kg/ha* day⁻¹, respectively. The growth rates of fish were not significantly different (pfeed. |
Định danh: | http://dspace.ctu.edu.vn/jspui/handle/123456789/4808 |
ISSN: | 2455-6378 |
Bộ sưu tập: | Tạp chí quốc tế |
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