Table 1.

ZEN concentrations (ng/g) and CF values in tissues in different intestinal segments and in the livers of pre-pubertal gilts in successive weeks of exposure. Daily feed intake in a restricted feeding regimen (kg/day). Mean dietary ZEN concentrations per kg of feed (µg/kg feed).

Weeks of Exposure	Feed Intake (kg/day)	ZEN Intake (µg/kg feed)	Total ZEN Dose (µg/kg BW)	ZEN Concentrations ($\overline{x}$ and SD)/Carryover Factor (CF)
				Duodenum	Jejunum	Ileum	Cecum	Ascending Colon	Transverse Colon	Descending Colon	Liver
I	1,1	1014	280	8.60 ** ± 1.58	9.87 ●● ± 0.81	4.63 ▲▲ ± 1.20	4.54 **,▲▲ ± 2.09	1.53 ± 1.95	1.39 ●●,▲▲ ± 1.32	4.70 ●●,** ± 3.98	6.31 ●,**,▲▲ ± 6.16
				0.031	0.035	0.016	0.0162	0.0054	0.0049	0.0167	0.0225
II	1,3	972	560	12.34 ** ± 1.75	19.72 ●●,▲▲ ± 2.75	4.99 ▲▲ ± 1.64	4.25 **,▲▲ ± 0.32	1.59 ± 2.76	4.63 ± 3.86	6.80 ●● ** ± 1.40	7.80 *,▲▲ ± 2.82
				0.022	0.035	0.009	0.0075	0.0028	0.0082	0.0121	0.0139
III	1,4	1014	840	12.07 ** ± 3.48	13.85 ●● ± 0.48	7.22 ▲▲ ± 0.30	4.30 **,▲▲ ± 1.80	3.16 ± 1.79	3.94 ± 0.57	7.60 ●●,** ± 2.33	13.00 ± 1.78
				0.014	0.016	0.008	0.0057	0.0037	0.0046	0.0090	0.0154
IV	1,5	987	1120	21.68 ** ± 4.01	43.82 ± 7.63	4.44 ▲▲ ± 1.52	3.45 **,▲▲ ± 0.67	4.69 ± 0.45	7.37 ± 1.66	205.01 ± 94.70	18.20 ± 5.92
				0.019	0.039	0.004	0.0030	0.0042	0.0065	0.1830	0.0162
V	1,8	995	1400	128.18 ± 64.54	13.66 ●● ± 3.73	3.37 ▲▲ ± 0.35	18.17 ± 5.02	3.40 ± 0.54	6.49 ± 0.96	177.03 ± 50.64	20.01 ± 2.43
				0.091	0.010	0.002	0.0129	0.0024	0.0046	0.1264	0.0142
VI	2,1	957	1680	80.74 ± 4.34	8.33 ●● ± 1.12	27.52 ± 10.28	13.70 ± 1.17	2.46 ± 1.92	6.70 ± 0.25	112.01 ± 13.69	23.00 ± 0.79
				0.048	0.005	0.016	0.0081	0.0014	0.0039	0.0666	0.0136
Average values			ZEN	43.93	18.208	8.705	0.068	2.805	5.0086	85.525	14.72
			CF	0.0375	0.0233	0.0091	0.0089	0.0033	0.0054	0.0688	0.0159

Key: * and **: relative to Week V, ^●●: relative to Week IV; ^▲▲: relative to Week VI; ^●: at p ≤ 0.05; ^●●, **, ^▲▲: at p ≤ 0.01.