Supplemental effects of mixed ingredients and rice bran on the growth performance, survival and yield of Nile tilapia, Oreochromis niloticus reared in fertilized earthen ponds

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Table 1 Formulation and proximate composition (dry matter basis) of diets used in the study

Ingredients	Diets formulation (g kg⁻¹)
Ingredients	Mixed ingredient (MI) diet	Rice bran alone (RB) diet
Sunflower seed cake	760.00	0.00
Rice bran	240.00	1000.00
Total	1000.00	1000.00
Proximate composition of diets
Dry matter	917.02	916.70
Crude protein	184.74	126.06
Crude fibre	188.09	162.15
Crude fat	102.95	129.10
Ash	67.28	59.34
Carbohydrate	373.96	440.05
Gross energy (kcal g⁻¹)^a	17.31	19.95

^aCalculated using the factors: carbohydrates, 4.1 kcal g⁻¹, protein, 5.4 kcal g⁻¹ and lipids, 9.5 kcal g⁻¹ (Tacon 1990)