Dietary Available Phosphorus Affected Growth Performance, Body Composition, and Hepatic Antioxidant Property of Juvenile Yellow Catfish Pelteobagrus fulvidraco

Table 1

Formulation and chemical composition of the experimental diets (g kg⁻¹ dry matter).

Ingredients	Diets
	1	2	3	4	5	6
Casein	350.0	350.0	350.0	350.0	350.0	350.0
Blood meal	100.0	100.0	100.0	100.0	100.0	100.0
Gelatin	20.0	20.0	20.0	20.0	20.0	20.0
Squid meal	70.0	70.0	70.0	70.0	70.0	70.0
Wheat flour	210.0	210.0	210.0	210.0	210.0	210.0
Fish oil	60.0	60.0	60.0	60.0	60.0	60.0
Soy bean oil	30.0	30.0	30.0	30.0	30.0	30.0
Vitamin premix^1	5.0	5.0	5.0	5.0	5.0	5.0
Mineral premix (P free)^2	27.5	27.5	27.5	27.5	27.5	27.5
Vitamin C	5.0	5.0	5.0	5.0	5.0	5.0
Choline chloride	2.5	2.5	2.5	2.5	2.5	2.5
Cr2O3	10.0	10.0	10.0	10.0	10.0	10.0
Ca(H2PO4)2·H2O	0.0	12.0	24.0	36.0	48.0	60.0
α-cellulose	110.0	98.0	86.0	74.0	62.0	50.0
Chemical composition (per kg dry matter)
Moisture (g)	83.9	98.6	78.3	71.0	92.5	99.6
Crude protein (g)	455.9	452.9	447.5	446.1	457.5	444.1
Crude lipid (g)	62.8	62.6	65.4	60.1	63.3	62.7
Ash (g)	48.2	52.3	59.1	69.6	77.0	87.0
Total phosphorus (g)	3.8	6.3	8.9	12.2	14.2	17.1
Available phosphorus (g)	3.3	5.6	8.1	11.5	13.1	15.7

¹Vitamin Premix was bought from Fulong Feed Company in Wuhan (Hubei province, China) and contained the following vitamins (mg kg⁻¹ feed): vitamin K₃, 20; niacin, 250; riboflavin, 50; pyridoxine, 25; thiamin, 25; D-calcium pantothenate, 100; biotin, 1.5; foliacin, 10; vitamin B₁₂, 0.125; ascorbic acid, 250; inositol, 750; (IU kg⁻¹ feed): vitamin A, 17500; vitamin D₃, 2500; vitamin E, 175.
²Mineral premix (P free) contained the following minerals (mg kg⁻¹ feed): NaCl, 275; MgSO₄·7H₂O, 4125; Na₂SO₄, 6270; K₂SO₄, 5638; CaCl₂·2H₂O, 3218; FeSO₄, 688; Calcium lactate, 963; ZnSO₄·7H₂O, 97; MnSO₄·4H₂O, 45; CuSO₄·5H₂O, 8.53; CoSO₄, 0.28; KI, 0.83.