Table 4.

Gastrointestinal morphometrics and ex-vivo small intestinal permeability. Data are expressed as LSmeans (n = 15 per treatment)

Parameter	Lc-AXOS		CELL		Pooled	P-value
	No	Yes	No	Yes	SEM	lc-AXOS	CELL
Absolute metrics
Stomach weight, g	45	44	43	45	2.0	0.606	0.572
Small intestine length, cma	746	771	728	789	23.7	0.408	0.080
Small intestine weight, g a	219	222	219	222	9.5	0.746	0.789
Large intestine length, cm	132	136	127	140	3.6	0.347	0.019
Large intestine weight, g	64	71	64	71	2.8	0.123	0.108
Large intestine fill, g	56	76	60	72	4.6	0.006	0.082
Weight relative to body weight, %
Stomach	0.56	0.57	0.54	0.58	0.020	0.726	0.178
Small intestine	2.71	2.87	2.72	2.86	0.096	0.223	0.334
Large intestine	0.80	0.92	0.80	0.92	0.035	0.026	0.021
Weight: length ratio, g/cm
Small intestine (SI)	0.30	0.29	0.30	0.28	0.011	0.657	0.201
Large intestine	0.50	0.52	0.51	0.51	0.021	0.480	0.910
SI permeability, log10 mg/L b
Proximal (PB)	1.18	1.05	1.14	1.09	0.074	0.246	0.699
Proximal (Co)	1.97	1.87	1.94	1.90	0.054	0.219	0.631
Distal (PB)	0.99	0.99	0.97	1.02	0.069	0.855	0.587
Distal (Co)	1.84	1.83	1.82	1.85	0.045	0.896	0.557

^aExcluding the gut sections used for the everted sac procedure

^bData are log₁₀ transformed concentrations of Patent Blue (PB) and cobalt (Co) in the everted sac section