. 2013 Sep;26(9):1320–1328. doi: 10.5713/ajas.2013.13200

Table 9.

Effects of single-cell proteins (Prosin and Protide) replacing fish meal in diet on intestinal morphology of weaned piglets, Exp. 3¹

Item	Fish meal² (%)	Prosin³ (%)		Protide³ (%)		SEM	p-value
Item	5	2.5	5	2.5	5	SEM	p-value
Duodenum
Villus height (μm)	424	425	429	412	426	7.02	0.569
Crypt depth (μm)	204	196	200	203	197	4.20	0.533
Villus height to crypt depth ratio	2.08	2.17	2.15	2.03	2.17	0.04	0.236
Jejunum
Villus height (μm)	359^a	352^a	323^b	348^a	321^b	7.16	0.001
Crypt depth (μm)	183	182	180	183	187	3.13	0.906
Villus height to crypt depth ratio	1.97^a	1.95^a	1.77^b	1.91^a	1.72^b	0.05	0.002
Ileum
Villus height (μm)	486^a	478^a	415^b	477^a	420^b	7.59	0.001
Crypt depth (μm)	190	205	200	203	193	7.14	0.746
Villus height to crypt depth ratio	2.56^a	2.34^ab	2.09^c	2.39^ab	2.18^bc	0.08	0.001

A total of 180 pigs (initial BW of 7.95±1.59 kg and 28±2 d of age) were allotted to provide six pigs per pen and six pens per treatment.

Fish meal (Commercial supply).

Prosin and Protide (CJ Co. Ltd., Liaocheng, China).

^a,b,c

Means in the same row with different superscripts are significantly different (p<0.05).