Table 2.

Testis weight and sperm head count per testis 28 days the start of treatment. Treatment was given as a single dose (Expt. 1) or with 6 doses given at 5-day intervals (Expt. 2) or 7 doses at 4-day intervals (Expt. 3) (N=3).

	Testis Weight	Sperm Head Count
Control	83.8 ± 2.6 a	16.7 ± 1.9 ×106 a
Expt. 1
150 p.o.	67.8 ± 3.3 b	1.9 ± 0.2 ×106 b,c
150 i.p.	59.9 ± 3.6 c	1.2 ± 0.05 ×106 c
200 p.o.	63.0 ± 0.8 b,c	1.0 ± 0.02 ×106 c
200 i.p.	57.8 ± 0.5 c	1.1 ± 0.2 ×106 c
Expt. 2
150 p.o./5 days	31.3 ± 2.8 d	2.2 ± 0.3 ×106 b
150 i.p./5 days	30.3 ± 3.3 d	2.9 ± 0.1 ×106 b
Expt. 3
150 p.o./4 days	30.5 ± 1.1 d	2.9 ± 0.3 ×106 b

Different letters indicate statistically significant differences among all groups (p<0.05).