S. Hasanein, S., Norhan E. Saleh, N., S. El-Sayed, H., M. Helal, A. (2018). The Effect of dietary supplementation of Spirulina platensis and Chlorella vulgaris algae on the growth and disease resistance of the sea bass (Dicentrarchus labrax). Egyptian Journal of Aquatic Biology and Fisheries, 22(4), 249-262. doi: 10.21608/ejabf.2018.17160
Soha S. Hasanein; Norhan E. Saleh Norhan E. Saleh; Heba S. El-Sayed; Amr M. Helal. "The Effect of dietary supplementation of Spirulina platensis and Chlorella vulgaris algae on the growth and disease resistance of the sea bass (Dicentrarchus labrax)". Egyptian Journal of Aquatic Biology and Fisheries, 22, 4, 2018, 249-262. doi: 10.21608/ejabf.2018.17160
S. Hasanein, S., Norhan E. Saleh, N., S. El-Sayed, H., M. Helal, A. (2018). 'The Effect of dietary supplementation of Spirulina platensis and Chlorella vulgaris algae on the growth and disease resistance of the sea bass (Dicentrarchus labrax)', Egyptian Journal of Aquatic Biology and Fisheries, 22(4), pp. 249-262. doi: 10.21608/ejabf.2018.17160
S. Hasanein, S., Norhan E. Saleh, N., S. El-Sayed, H., M. Helal, A. The Effect of dietary supplementation of Spirulina platensis and Chlorella vulgaris algae on the growth and disease resistance of the sea bass (Dicentrarchus labrax). Egyptian Journal of Aquatic Biology and Fisheries, 2018; 22(4): 249-262. doi: 10.21608/ejabf.2018.17160
The Effect of dietary supplementation of Spirulina platensis and Chlorella vulgaris algae on the growth and disease resistance of the sea bass (Dicentrarchus labrax)
1Fish Physiology, Fisheries Division, National Institute of Oceanography and Fisheries, Alexandria, Egypt
2Fish Nutrition Lab., Aquaculture Division, National Institute of Oceanography and Fisheries, Alexandria, Egypt
3Fish Repoduction and larval Rearing Lab.(Marine Hatchery), Aquaculture Division, National Institute of Oceanography and Fisheries, Alexandria, Egypt
4Phycology, Hydrobiology, National Institute of Oceanography and Fisheries, El-Qanater El-Khayria, Egypt.
Abstract
The study was designed to investigate the protective effect of dietary Spirulina platensis and Chlorella vulgaris algal mixture (AM, 1:1), at three inclusion levels (3, 5 and 7%), in European sea bass diets as a supplement. 0.006 mg/l mixture of cadmium chloride and lead nitrate (TM, 1:1)was added to the rearing water as a pollutant.Results showed that the growth and feed utilization indices were not significantly different between fish fed diets containing algal mixture at inclusion levels in the presence of the pollutant and fish fed the control diet (Controll) meanwhile, fish fed control diet with heavy metals (Control2) addition showed the lowest growth and feed utilization indices. The body composition analysis showed no significant difference among groups. There was a significant decrease in the accumulation of Cd and Pb in white muscles. The lowest accumulations appear in fish fed diet3. A significant increase in the activity of antioxidant enzymes; SOD ,Catalase and Gpx were recorded in white muscles of diet1, diet 2 and diet 3 fish groups as compared to the control2 group and the highest activity is in diet3.
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