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

Table 4

Effects of dietary available P level on body composition of yellow catfish for eight weeks (Mean ± SE, 𝑛=3).

Available P in diet (%)	Initial	0.33	0.56	0.81	1.15	1.31	1.57
Whole body (% of wet weight)
Moisture	76.95±0.60	74.20±1.62	75.73±1.48	74.26±0.78	74.44±0.99	75.07±1.00	76.89±1.35
Crude protein	12.79±0.40	12.93±0.50	13.01±1.00	13.28±0.23	14.10±0.65	13.24±0.68	12.75±0.67
Crude lipid	3.83±0.21^c	6.49±0.70^a	4.57±0.60^bc	5.47±0.61^ab	4.43±0.26^bc	4.44±0.25^bc	3.62±0.43^c
Ash	3.36±0.13^bd	3.27±0.16^d	3.63±0.12^bd	3.97±0.23^abc	4.31±0.19^a	4.46±0.34^a	4.14±0.17^ab
Body P	0.64±0.07	0.63±0.02	0.66±0.02	0.71±0.04	0.81±0.05	0.80±0.04	0.81±0.09
Body Ca	0.26±0.02^c	0.30±0.03^bc	0.33±0.01^ab	0.37±0.03^a	0.38±0.01^a	0.38±0.01^a	0.38±0.01^a
Vertebrae (P and Ca, g kg^−1; ash, % of dry matter)
P	72.00	59.58±2.92^c	64.66±0.30^bc	66.99±1.74^ab	69.28±2.07^ab	72.26±1.72^a	67.46±0.86^ab
Ca	38.78	28.51±1.19^b	34.09±0.93^a	33.67±2.13^a	34.15±0.79^a	35.67±2.36^a	35.84±0.96^a
Ash	38.35	28.49±1.10^c	34.63±0.21^b	35.60±0.98^b	37.11±0.86^ab	39.08±0.68^a	36.58±0.48^ab

Note: values with different letters within the same row are significantly different (𝑃<0.05).