Compared to Fishmeal, Dietary Soybean Meal Improves the Reproductive Performance of Female Yellow Catfish (Pelteobagrus fulvidraco) Broodstock

Table 1

Formulation and proximate composition of the experimental diets (% dry matter).

	FM	SBM	RSM
Ingredients
Casein	16.20	16.20	16.20
White fishmeal	44.90	25.50	28.20
Soybean meal	0.00	30.00	0.00
Rapeseed meal	0.00	0.00	30.00
Corn starch	24.20	10.30	10.00
Fish oil	3.03	3.67	3.50
Soybean oil	3.03	3.67	3.50
Vitamin premix^1	0.39	0.39	0.39
Mineral premix^2	5.00	5.00	5.00
Choline chloride	0.11	0.11	0.11
Ca(H2PO4)2•H2O	1.00	1.00	1.00
Ethoxyquinoline	0.10	0.10	0.10
Cellulose	0.04	2.06	0.00
Carboxymethylcellulose sodium	2.00	2.00	2.00
Proximate composition
Crude protein	46.39	46.61	46.31
Crude lipid	8.32	8.52	8.25
Moisture	7.52	7.00	7.34
Ash	9.00	8.45	8.85

¹Vitamin premix (mg kg⁻¹ diet): vitamin B₁, 20; vitamin B₂, 20; vitamin B₆, 20; vitamin B₁₂, 0.02; folic acid, 5; calcium patothenate, 50; inositol, 100; niacin, 100; biotin, 0.1; cellulose, 3411.88; ascorbic acid, 100; vitamin A, 11; vitamin D, 2; vitamin E, 50; vitamin K, 10; 2. Mineral premix (mg kg⁻¹ diet): NaCl, 500.0; MgSO₄·7H₂O, 8155.6; NaH₂PO₄·2H₂O, 12500.0; KH₂PO₄, 16000.0; Ca(H₂PO₄) 2H₂O, 7650.6; FeSO₄·7H₂O, 2286.2; C₆H₁₀CaO₆·5H₂O, 1750.0; ZnSO₄·7H₂O, 178.0; MnSO₄·H₂O, 61.4; CuSO₄·5H₂O, 15.5; CoSO₄·7H₂O, 0.90; KI, 1.5; Na₂SeO₃, 0.60; corn starch, 899.7.