Research Article

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

Table 2

Effects of dietary available P level on apparent digestibility coefficient (ADC), P utilization efficiency, and feces P content in yellow catfish fed experimental diets for eight weeks (Mean ± SE, 𝑛 = 3 ).

Available P in diet (%)0.330.560.811.151.311.57

Dry matter (ADCd, %) 8 7 . 2 1 ± 2 . 9 4 8 3 . 2 1 ± 2 . 5 8 8 7 . 1 7 ± 1 . 3 7 8 9 . 2 9 ± 1 . 2 9 8 8 . 0 8 ± 2 . 6 9 8 8 . 2 1 ± 0 . 0 4
Protein (ADCp, %) 9 8 . 2 2 ± 0 . 4 1 9 6 . 8 9 ± 0 . 4 3 9 7 . 4 8 ± 0 . 1 3 9 7 . 8 0 ± 0 . 3 6 9 7 . 3 8 ± 0 . 6 5 9 7 . 4 7 ± 0 . 0 6
P (ADCph, %) 8 7 . 0 1 ± 3 . 4 0 b 8 9 . 4 3 ± 1 . 2 6 b c 9 0 . 4 7 ± 0 . 6 7 a b c 9 4 . 1 8 ± 0 . 5 0 a 9 2 . 5 7 ± 1 . 5 9 a c 9 2 . 0 6 ± 0 . 2 0 a c
Efficiency of P utilization (%) 7 7 . 4 6 ± 7 . 4 5 a 5 7 . 9 9 ± 5 . 3 7 a b 5 4 . 4 5 ± 3 . 8 1 b 4 6 . 3 8 ± 7 . 4 3 b 3 7 . 5 1 ± 3 . 4 1 b 4 5 . 1 8 ± 1 0 . 3 0 b
Feces P (g kg−1 dry matter) 0 . 3 8 ± 0 . 0 1 d 0 . 4 0 ± 0 . 0 2 d 0 . 6 7 ± 0 . 0 3 c 0 . 6 7 ± 0 . 0 3 c 0 . 8 9 ± 0 . 0 1 b 1 . 1 5 ± 0 . 0 3 a

Note: values with different letters within the same row are significantly different ( 𝑃 < 0 . 0 5 ).