. 2022 Mar 22;100(4):skac092. doi: 10.1093/jas/skac092

Table 5.

Effect of dietary Ca level on tibia bone parameters of 42-d-old broilers¹

Dietary Ca, %	Ash percentage, %	Ash Ca percentage, %	Ash P percentage, %	BMC, g	BMD, g/cm²	Bone strength, N
0.50	52.0	35.6^b	17.8^a	3.01^b	0.261^b	241
0.60	52.3	36.2^ab	17.9^a	3.65^a	0.283^a	303
0.70	52.4	36.4^a	17.8^a	3.76^a	0.292^a	322
0.80	52.8	36.1^a	17.9^a	3.70^a	0.295^a	321
0.90	52.8	35.8^ab	16.7^b	3.30^a	0.287^a	278
1.00	53.3	36.2^a	17.7^ab	3.66^a	0.289^a	326
1.10	52.1	36.3^a	17.0^bc	3.69^a	0.292^a	345
SEM	0.15	0.16	0.02	0.127	0.0058	17.7
P-value
Ca level	0.069	0.011	0.0006	0.0004	0.005	0.14
Linear	—	0.032	0.002	0.006	0.002	—
Quadratic	—	0.20	0.78	0.002	0.007	—

Data represent the means of 6 replicates (n = 6).

Values with different superscript letter within a column differ (P < 0.05).

BMC, bone mineral content; BMD, bone mineral density.