Aquaculture Nutrition

Research Article

Dietary Supplementation with Chromium DL-Methionine Enhances Growth Performance of African Catfish (Clarias gariepinus)

Table 1

Feed ingredients of control diet.


Ingredient (g 100 g^-1)

Fish meal 60	7.50
Poultry meal	7.50
Soy protein concentrate	10.00
Wheat gluten	4.00
Corn gluten meal	15.00
Soybean meal	22.50
Sunflower meal 40	5.00
Wheat meal	10.45
Wheat bran	5.00
Vitamin premix 1%¹	1.00
Mineral premix ZINPRO 2%²	2.00
Vitamin E50	0.05
Antioxidant	0.20
Monoammonium phosphate	0.70
L-lysine HCL 99%	0.60
Fish oil	2.00
Rapeseed oil	6.50

¹Vitamin premix (IU/mg kg^-1 diet, PREMIX Lda., Neiva, Portugal): DL-alpha tocopherol acetate, 100 mg; sodium menadione bisulfate, 25 mg; retinyl acetate, 20,000 IU; DL-cholecalciferol, 2,000 IU; thiamin, 30 mg; riboflavin, 30 mg; pyridoxine, 20 mg; cyanocobalamin, 0.1 mg; nicotinic acid, 200 mg; folic acid, 15 mg; ascorbic acid, 500 mg; inositol, 500 mg; biotin, 3 mg; calcium pantothenate, 100 mg; choline chloride, 1,000 mg, betaine, 500 mg; excipient wheat middlings. ²Mineral premix (mg kg^-1 diet, PREMIX Lda., Neiva, Portugal): zinc from Availa®Zn 100, 80; selenium from Availa®Se 2000, 0.2; manganese from Availa®Mn 80, 30; iron from Availa®Fe 90, 100; copper from Availa®Cu 100, 10; excipient wheat.