Table 1.

Recovery of total radioactivity in the urine and feces of pigs, chickens and rats. After administration of [³H]-SMZ at 25 mg/kg b.w.

Time (d)	Pigs		Chickens	Rats
				Male		Female
	Urine	Feces	Excreta	Urine	Feces	Urine	Feces
0–0.5	60.02 ± 16.54	5.56 ± 0.42	60.65 ± 13.08	45.33 ± 4.79	17.3 ± 1.16	45.38 ± 6.09	14.31 ± 1.73
0.5–1	15.3 ± 8.73	2.69 ± 3.12	15.08 ± 6.87	19.31 ± 7.15	5.3 ± 1.43	19.41 ± 2.15	4.45 ± 1.87
1–3	4.52 ± 2.22	5.19 ± 3.36	11.91 ± 9.67	7.49 ± 2.04	0.35 ± 0.14	10.09 ± 3.14	1.02 ± 0.72
3–7	0.59 ± 0.17	0.82 ± 0.34	5.48 ± 1.89	2.7 ± 1.89	0.25 ± 0.14	3.97 ± 1.24	0.42 ± 0.28
7–14	0.16 ± 0.04	0.45 ± 0.3	0.26 ± 0.13	0.49 ± 0.3	0.05 ± 0.03	0.38 ± 0.17	0.05 ± 0.03
0–14	80.59 ± 5.72	14.72 ± 1.31	93.39 ± 2.28	75.32 ± 4.54	23.24 ± 1.79	77.9 ± 5.93	19.58 ± 2.09
Total	95.31 ± 4.41		93.39 ± 2.28	98.56 ± 2.82		97.3 ± 1.16