Nutritional studies on brewer dried grains as an alternative protein source for Nile tilapia (Oreochromis niloticus) diets
Hessein, M., Al-Azab, A., El-Warith, A., Bolbol, M., Seden, M. (2013). Nutritional studies on brewer dried grains as an alternative protein source for Nile tilapia (Oreochromis niloticus) diets. EKB Journal Management System, 17(4), 49-57. doi: 10.21608/ejabf.2013.2185
Mohssen Hessein; Al-Desok Al-Azab; Abd El-Wahab El-Warith; Mohammed Bolbol; Medhat Seden. "Nutritional studies on brewer dried grains as an alternative protein source for Nile tilapia (Oreochromis niloticus) diets". EKB Journal Management System, 17, 4, 2013, 49-57. doi: 10.21608/ejabf.2013.2185
Hessein, M., Al-Azab, A., El-Warith, A., Bolbol, M., Seden, M. (2013). 'Nutritional studies on brewer dried grains as an alternative protein source for Nile tilapia (Oreochromis niloticus) diets', EKB Journal Management System, 17(4), pp. 49-57. doi: 10.21608/ejabf.2013.2185
Hessein, M., Al-Azab, A., El-Warith, A., Bolbol, M., Seden, M. Nutritional studies on brewer dried grains as an alternative protein source for Nile tilapia (Oreochromis niloticus) diets. EKB Journal Management System, 2013; 17(4): 49-57. doi: 10.21608/ejabf.2013.2185

Nutritional studies on brewer dried grains as an alternative protein source for Nile tilapia (Oreochromis niloticus) diets

Egyptian Journal of Aquatic Biology and Fisheries
Article 5, Volume 17, Issue 4, December 2013, Page 49-57  XML PDF (179.99 K)
Document Type: Original Article
DOI: 10.21608/ejabf.2013.2185
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Authors
Mohssen Hessein1; Al-Desok Al-Azab1; Abd El-Wahab El-Warith2; Mohammed Bolbol2; Medhat Seden3
1Department of Animal Production, Faculty of Agriculture, El-Azhar University
2Department of Animal Production, Faculty of Agriculture, El-Azhar University.
3Central Laboratory for Aquaculture Research, Abbassa, Sharkia, Egypt
Abstract
Brewer dried grain (BDG) was tested to replace soybean meal in diets of mono
sex Nile tilapia (Oreochromis niloticus). Five isonitrogenous (30%), isocaloric (442
kcal/100g) diets were formulated to contain BDG as an alternative protein source
instead of soybean meal at different levels (0, 25, 50, 75 and 100%). A total number
of 225 of Nile tilapia (0.45g)were randomly distributed into five experimental groups,
each in trireplecates, and were fed daily at a rate of 15% decreased gradually to be 4%
of fish live weight through 14weeks experimental period.Data collected were on
growth performance, feed utilization and body composition in addition to economic
evaluation. Results of growth performance did not show any adverse effects related to
the incorporation of BDG up to 75%. FI shows the exact similar trend of growth
performance. The incorporation of BDG in the diets improved slightly FCR, FER and
PPV. Fish whole body composition of treatments groups which showed higher DM,
EE, energy and somewhat protein contents and lower moisture and ash than that
recorded at the start of the experiment.
Keywords
Nile tilapia; brewer dried grain; Growth performance; feed utilization; body composition; economic efficiency
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