. 2016 Sep 27;30(2):221–228. doi: 10.5713/ajas.16.0540

Table 4.

Physiological changes in serum of broiler chickens with age

Age (weeks)	AKP (U/100 mL)	Serum Ca (mmol/L)	Serum P (mmol/L)
0	96^a	1.75^a	1.40
1	785^b	1.86^a	1.45
2	750^b	2.20^b	1.55
3	412^b	1.86^a	1.57
4	214^a	1.81^a	1.37
5	153^a	1.92^a	1.57
6	159^a	1.71^a	1.7
SEM	49.9	0.04	0.06
p-value	<0.001	0.021	0.821

AKP, alkaline phosphatase; SEM, standard error of the mean.

^a–c

Within a column, values not sharing a common superscript letter are significantly different (p<0.05).