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

Table 5.

Cotransporter expression in the duodenal and jejunal mucosa of broiler chickens affected by ages

Age (weeks)	NaPi-2b mRNA expression		Calbindin protein abundance		VDR protein abundance

	Duodenum	Jejunum	Duodenum	Jejunum	Duodenum	Jejunum
0	0.92^c	1.00^bc	0.42^a	0.43^a	0.26^a	0.36^a
1	0.75^bc	1.09^bc	0.54^ab	0.68^b	0.38^b	0.44^ab
2	0.82^bc	1.04^bc	0.66^abc	0.76^b	0.44^b	0.54^bc
3	1.45^d	1.43^bc	0.82^bcd	1.00^c	0.61^cd	0.60^cd
4	0.90^bc	1.79^c	0.95^cd	1.20^d	0.57^c	0.75^de
5	0.29^a	0.49^a	1.17^d	1.33^d	0.74^d	0.81^e
6	0.67^bc	0.83^ab	1.09^d	1.19^d	0.69^cd	0.63^cd
SEM	0.054	0.06	0.062	0.061	0.034	0.032
Main effect
Weeks
0	0.958^b		0.422^a		0.306^a
1	0.918^b		0.611^b		0.413^b
2	0.930^b		0.711^b		0.491^b
3	1.437^c		0.909^c		0.606^c
4	1.345^c		1.073^cd		0.660^c
5	0.388^a		1.249^d		0.773^d
6	0.749^b		1.141^d		0.657^c
Intestinal site
Duodenum	0.826		0.807		0.527
Jejunum	1.095		0.941		0.589
p-value
Age	<0.001		<0.001		<0.001
Site	0.017		<0.001		0.006
Age×Site	0.255		0.002		0.891

NaPi-IIb: Type IIb sodium-coupled phosphate transporter; VDR: vitamin D receptor; SEM, standard error of the mean.

^a–d

Within a column, values with no common letter indicate significant differences (p<0.05).