Table 3.

Serum LH, FSH, E2, T, and DHT concentrations and the ratio of DHT/T and E/DHT (mean ± SD) after 30 and 90 day administration of Zn and/or Se, and after 90 days exposure with an additional 90 day postadministration period.

		LH [ng/mL]	FSH [ng/mL]	E2 [pg/mL]	T [ng/mL]	DHT [pg/mL]	DHT/T [* 103]	E/T [* 103]
30 days of administration	Control	0.68 ± 0.28	2.2 ± 0.55	25 ± 5.4	3.6 ± 0.75	5.50 ± 1.3	1.4 ± 0.19	7.0 ± 2.3
	Zn	0.54 ± 0.41	2.0 ± 0.43	28 ± 7.8	4.8 ± 0.49 *	4.5 ± 0.70	1.0 ± 0.11 *	5.8 ± 2.5
	Se	0.64 ± 0.28	2.5 ± 0.49	34 ± 5.3	4.5 ± 1.5	5.3 ± 1.7	1.1 ± 0.34	7.5 ± 2.2
	Zn + Se	0.73 ± 0.14	2.7 ± 0.54	31 ± 5.4	3.1 ± 1.6	4.6 ± 0.80	1.5 ± 0.24	10.2 ± 3.1
90 days of administration	Control	0.73 ± 0.21	2.3 ± 0.48	37 ± 6.6	5.7 ± 0.81	5.4 ± 0.75	1.0 ± 0.14	6.8 ± 2.1
	Zn	0.35 ± 0.43	2.9 ± 0.55	33 ± 7.1	13 ± 6.4 *	4.8 ± 0.89	0.4 ± 0.4 *	2.4 ± 2.2 *
	Se	0.81 ± 0.31	2.0 ± 0.15	30 ± 11	6.4 ± 1.2	5.4 ± 1.0	0.8 ± 0.21	4.7 ± 2.8
	Zn + Se	0.82 ± 0.32	2.8 ± 0.33	30 ± 6.8	3.1 ± 1.0	4.9 ± 1.6	1.4 ± 0.28	9.8 ± 2.8
90 days of administration and 90 day post administration period	Control	0.77 ± 0.21	2.2 ± 0.41	47 ± 9.1	2.2 ± 1.8	5.1 ± 0.69	2.3 ± 0.36	21.6 ± 3.7
	Zn	0.72 ± 0.15	2.1 ± 0.31	44 ± 18	3.7 ± 2.1	5.2 ± 0.75	1.6 ± 0.38	11.8 ± 4.8 *
	Se	0.68 ± 0.13	2.4 ± 0.31	38 ± 11	2.7 ± 1.6	4.5 ± 1.6	1.8 ± 0.31	14.0 ± 4.2
	Zn + Se	0.74 ± 0.19	2.2 ± 0.21	40 ± 5.4	2.6 ± 0.46	5.3 ± 1.8	2.1 ± 0.39	15.5 ± 3.2

* results statistically significant in comparison with control group, p ≤ 0.05.