Research Article

Effects of Feeding Frequency for Nile Tilapia Fingerlings (Oreochromis niloticus)

Table 1

Formulation and bromatological composition of feeds offered to Nile tilapia fingerlings (Oreochromis niloticus).

IngredientInclusion (g kg-1)IngredientInclusion (g kg-1)

Corn bran257.5Calcitic limestone5.6
Soil protein concentrate223.9L-Threonine5.5
Rice bran100.0Salt5.0
Poultry offal meal100.0Dl-methionine3.8
Feather flour68.0Vitamin C2.0
Corn gluten 60%50.0Choline chloride1.5
Blood flour50.0Calcium propionate1.0
Soy oil33.3Antioxidant (BHT)0.2
Yeast alcohol20.0Total1000.2
Dicalcium phosphate17.7Chemical composition (g kg-1)
Fish meal 55%16.7DM935.20
Hydrolyzed chicken protein16.7CP390.30
Wheat gluten10.0EE70.00
Mineral and vitaminic supplement6.0MM84.40
L-Lysine HCL5.8EB4.293

All ingredients were purchased at the local market. DM: dry matter; CP: crude protein; EE: ether extract; MM: mineral matter; GE: gross energy. Warranty levels per kilogram of product (mineral and vitaminic supplement): vit. A: 1.750.000 UI; vit. D3: 375000 UI; vit. K3: 500 mg, vit. B1: 2000 mg; vit. B2: 2500 mg; vit. B6: 2500 mg; vit. B12: 5000 mg; folic acid: 625 mg; calcium pantothenate: 7500 mg; vit. C: 37500 mg; biotin: 50 mg; inositol: 12500 mg; niacin: 8750 mg; choline: 100000 mg; cobalt: 50 mg; copper: 1250 mg; iron: 15000 mg; iodine: 100 mg; manganese: 3750 mg; selenium: 75 mg; zinc: 17500 mg.