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 | ||||
| Articles in Press, Accepted Manuscript, Available Online from 29 April 2021 | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ejabf.2021.69110.2144 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
Mohamed Hamed Yassien   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 | ||||
|
Statistics Article View: 1,140 |
||||
