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. 2020 Jan 30;6:502. doi: 10.3389/fvets.2019.00502

Table 1.

Summary of histopathologic measurements obtained from each of the evaluated tissue sections during all three animal studies.

Histopathologic evaluation
Tissue location Obtained measurements
Proximal jejunum
Mid jejunum
Distal jejunum
Ileum
Neutrophil count*
Ulceration score
Cecum
Apex of spiral colon
Mid spiral colon
Rectum
Neutrophil count*
Crypt depth
Ulceration score
Ileocecal lymph node
Spleen
Liver
Neutrophil presence§

FOV, field of view; TNTC, too numerous to count.

*

Average of 5 neutrophil counts; at 400X FOV, >100 neutrophils in one FOV was considered TNTC and listed as 100.

Number of crypts over which most severe ulceration foci extended, ranging from 0 to 5 (5 = ulcer spanning five or more crypts).

Average of three crypt depths measured at 10X FOV.

§

Presence or absence of neutrophils (in any amount) in 5-400X FOV, ranging from 1 to 5 (1 = no neutrophils observed in 5 FOV, 5 = neutrophils observed in all 5 FOV).