Table 3. Effects of dietary Ca concentration on growth performance in pig (experiment 1)¹⁾

Ca level	Low	Standard	High	SEM	p-value
BW (kg)
Initial	10.37	10.36	10.39	0.01	0.999
Final	29.88^a	27.94^ab	26.17^b	0.86	0.015
Phase 1 (1–14 d)
ADG (g)	519^a	506^ab	485^b	8.79	0.006
ADFI (g)	806	799	803	8.96	0.708
G/F	0.64^a	0.63^ab	0.60^b	0.01	0.047
Phase 2 (15–28 d)
ADG (g)	803^a	750^ab	684^b	28.99	0.004
ADFI (g)	1,322	1,298	1,317	39.68	0.815
G/F	0.61^a	0.57^ab	0.53^b	0.02	0.002
Overall (1–28 d)
ADG (g)	661^a	628^a	585^b	15.69	0.001
ADFI (g)	1,050	1,057	1,064	20.67	0.804
G/F	0.62^a	0.59^a	0.58^b	0.01	0.001

Phase 1: Low, 0.60%; Standard, 0.72%; High, 0.84%; Phase 2: Low, 0.50%; Standard, 0.66%; High, 0.82%.
Means values within a row with unlike superscript letters were significantly different (p < 0.05).
BW, body weight; ADG, average daily gain; ADFI, average daily feed intake; G/F, gain feed ratio.