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Egyptian Journal of Aquatic Biology and Fisheries
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El-Saidy, D., Mahmoud, S., Tonsy, H. (2009). Nutrition evaluation of sesame seed meal, Sesamum indicum (L.) as alternative protein source in diets of juvenile mono-sex Nile tilapia (Oreochromis niloticus).. Egyptian Journal of Aquatic Biology and Fisheries, 13(1), 93-106. doi: 10.21608/ejabf.2009.2026
Deyab El-Saidy; Samy Mahmoud; Hayam Tonsy. "Nutrition evaluation of sesame seed meal, Sesamum indicum (L.) as alternative protein source in diets of juvenile mono-sex Nile tilapia (Oreochromis niloticus).". Egyptian Journal of Aquatic Biology and Fisheries, 13, 1, 2009, 93-106. doi: 10.21608/ejabf.2009.2026
El-Saidy, D., Mahmoud, S., Tonsy, H. (2009). 'Nutrition evaluation of sesame seed meal, Sesamum indicum (L.) as alternative protein source in diets of juvenile mono-sex Nile tilapia (Oreochromis niloticus).', Egyptian Journal of Aquatic Biology and Fisheries, 13(1), pp. 93-106. doi: 10.21608/ejabf.2009.2026
El-Saidy, D., Mahmoud, S., Tonsy, H. Nutrition evaluation of sesame seed meal, Sesamum indicum (L.) as alternative protein source in diets of juvenile mono-sex Nile tilapia (Oreochromis niloticus).. Egyptian Journal of Aquatic Biology and Fisheries, 2009; 13(1): 93-106. doi: 10.21608/ejabf.2009.2026

Nutrition evaluation of sesame seed meal, Sesamum indicum (L.) as alternative protein source in diets of juvenile mono-sex Nile tilapia (Oreochromis niloticus).

Article 7, Volume 13, Issue 1, January 2009, Page 93-106  XML PDF (115.67 K)
Document Type: Original Article
DOI: 10.21608/ejabf.2009.2026
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Authors
Deyab El-Saidy1; Samy Mahmoud2; Hayam Tonsy2
1Department of Poultry Production, Faculty of Agriculture, University of Minufiya, Shebin El-Kom, Egypt.
2Animal Production Research Institute, Utilization By-Products Department, Agriculture Research Center, Dokki, Giza, Egypt.
Abstract
he main objective of this study was to evaluate the effect of partial and total replacement of fish meal protein by sesame seed meal (SSM) protein in commercial diets on growth performance, feed utilization and body
composition of juvenile mono sex Nile tilapia, Oreochromis niloticus (L.). Fish of an average initial weight of 0.60 ± 0.01 g were stocked in 15 glass aquaria (80 l each) at a rate of 15 fish per aquarium. Fish meal protein (18% of the diet) was
used as the sole source of animal protein in the control diet. Percent replacements of fish meal by sesame seed meal on the basis of crude protein were as follows: 0 % (control diet A), 25 % (diet B), 50 % (diet C), 75 % (diet
D) and 100 % (diet E). All tested diets were almost isonitrogenous and fed at a rate of 4 % of fish body weight, and then gradually reduced to 3 % of the total fish biomass daily, for a period of 16 weeks. The results of this study revealed
that, fish fedon diet A (100 % FM) had the highest average body weight, specific growth rate (SGR), weight gain %, feed conversion ratio (FCR), and protein efficiency ratio (PER), but the lowest was obtained with fish fed diet E (100 %
SSM). The same parameters of fish fed on diets B (25 % SSM) and diet C (50 % SSM) were not significantly different (P > 0.01) from those of fish fed on the control diet A. Proximate composition of the whole body moisture and ash
contents were not significantly affected (P>0.05) by the dietary treatments.Whole body protein contents for fish fed on diets B, C and D were superior to the control diet. Incorporation of sesame seed meal in the fish diets increased
significantly whole body fat content. Incorporation of sesame seed meal in the diets significantly increased apparent digestibility coefficients of crude protein, crude fat and energy. Therefore, these results suggest that up to 50 % of fish
meal protein can be replaced by sesame seed protein in mono sex Nile tilapia diets without any adverse effect on growth performance and feed utilization,body composition and digestibility.  
Keywords
mono sex male Nile tilapia; sesame seed meal; Growth; body composition; digestibility
Main Subjects
Fisheries
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