Effect of dietary nonphytate phosphorus on laying performance and small intestinal epithelial phosphate transporter expression in Dwarf pink-shell laying hens

Table 7 Mineral composition and breaking strength of hentibias influenced by different dietary phosphorus levels

Nonphytate phosphorus, %	Tibia ash¹, %	Tibia phosphorus*, %	Tibia calcium*, %	Tibia breaking strength, N
0.20	47.85	16.05	36.12	182.58
0.25	50.67	16.29	36.21	180.66
0.30	51.21	16.75	36.98	231.18
0.35	50.54	16.44	36.17	213.08
0.40	49.79	16.06	35.36	196.88
SEM	0.53	0.13	0.36	7.40
P-value	0.295	0.411	0.786	0.176
Linear	0.330	0.857	0.577	0.229
Quadratic	0.070	0.073	0.303	0.114

ISSN: 2049-1891