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Yassien, M., Mohamed, M., Ashry, O. (2021). Effect of bioflocs on growth performance and survival of white-leg shrimp Litopenaeus vannamei raised in zero-water exchange culture tanks. Egyptian Journal of Aquatic Biology and Fisheries, (), -. doi: 10.21608/ejabf.2021.69110.2144
Mohamed Hamed Yassien; Mervat Mohamed; Ola Awad Ashry. "Effect of bioflocs on growth performance and survival of white-leg shrimp Litopenaeus vannamei raised in zero-water exchange culture tanks". Egyptian Journal of Aquatic Biology and Fisheries, , , 2021, -. doi: 10.21608/ejabf.2021.69110.2144
Yassien, M., Mohamed, M., Ashry, O. (2021). 'Effect of bioflocs on growth performance and survival of white-leg shrimp Litopenaeus vannamei raised in zero-water exchange culture tanks', Egyptian Journal of Aquatic Biology and Fisheries, (), pp. -. doi: 10.21608/ejabf.2021.69110.2144
Yassien, M., Mohamed, M., Ashry, O. Effect of bioflocs on growth performance and survival of white-leg shrimp Litopenaeus vannamei raised in zero-water exchange culture tanks. Egyptian Journal of Aquatic Biology and Fisheries, 2021; (): -. doi: 10.21608/ejabf.2021.69110.2144

Effect of bioflocs on growth performance and survival of white-leg shrimp Litopenaeus vannamei raised in zero-water exchange culture tanks

Articles in Press, Accepted Manuscript, Available Online from 29 April 2021  XML
Document Type: Original Article
DOI: 10.21608/ejabf.2021.69110.2144
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Authors
Mohamed Hamed Yassien email orcid 1; Mervat Mohamed2; Ola Awad Ashry2
1National Institute of Oceanography and Fisheries
2Faculty of Agriculture, Suez Canal University
Abstract
A 90-day trial was conducted to evaluate the effects of three different protein levels (25%, 30% and 35% CP) and two different carbon sources (sugarcane bagasse and wheat flour) on the growth performance, feed utilization and survival rate of the white-leg shrimp Litopenaeus vannamei in zero –water exchange tanks. Six biofloc treatments and one control (45% CP) without biofloc were managed. Final body weight, weight gain, specific growth rate and protein efficiency ratio were highly affected " interaction "(P < 0.01) by different protein levels (25%, 30% and 35% CP) and different carbon sources (sugarcane bagasse and wheat flour). Survival rates ranging from 72.2% to 83.3%, and there were no significant difference (P > 0.05) among all treatments. There were no significant differences (P > 0.05) in moisture, crude protein and lipid among six biofloc and control treatments.
Keywords
Bioflocs; Growth performance; Survival; Litopenaeus vannamei
Main Subjects
Aquaculture of Aquatic Fauna
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