Non-therapeutic administration of a model antimicrobial growth promoter modulates intestinal immune responses

Table 1 Histopathological scores of the distal colons of mice

	Control				CTC				CR				CTC+CR
Cat/Day	3	8	14	21	3	8	14	21	3	8	14	21	3	8	14	21
EH^a	0^b	0	0	0-1	0-1	0-1	0-1	0	0-1	1-2	2-4	1-2	0	2	1-3	0-1
CH	0	0	0	0	0-1	0	0-1	0	0-1	2	2-4	1-2	0-1	2-3	1-3	0-2
EI	0	0	0	0	0-1	0	0	0	0	3-4	2-3	0-2	0	3	0-4	0-2
II	0	0-1	0	0	0	0	0	0	0	2-4	3-4	1-4	0	3-4	1-4	0-2
MA	0	0-1	0	0	0	0	0	0	0	2-3	3	1	0-1	2-3	1-3	1-2
GC	0	0	0	0	0	0	0	0	0	1-2	2-3	0-1	0	1-2	0-3	0
Total	0	0-1	0	0-1	0-2	0-2	0-2	0-1	0-1	13-15	16-20	4-12	0-1	14-16	4-20	1-9

^aPathology categories (Cat): EH, epithelial hyperplasia; CH, crypt height; EI, epithelial injury; II, inflammatory infiltrates; MA, mitotic activity; GC, globlet cell depletion. Total score corresponds to the sum of scores of all categories.
^bRange of scores were: 0 to 4 for EH, CH, EI, II; 0 to 3 for MA, GC; 0 to 22 for Total.

ISSN: 1757-4749