Table 1.

Tissue weights and sperm counts

NB-DNJ, mg/kg/day	Weights, %				Counts, 106
	Whole body	Testis	Caput + corpus	Cauda + vas	Sperm/testis	Sperm/cauda
0	100.0  ± 4.6	100.0  ± 6.7	100.0  ± 6.2	100.0  ± 7.3	17.8  ± 3.7	22.0  ± 3.8
15	95.2  ± 6.2	91.5  ± 8.0	91.5  ± 23.3	101.4  ± 15.1	14.1  ± 2.2	22.5  ± 6.7
150	95.7  ± 5.3	93.8  ± 5.2	99.2  ± 6.6	104.8  ± 8.2	15.1  ± 3.1	29.6  ± 10.3
1,200	69.1  ± 6.3	81.5  ± 6.9	74.8  ± 7.8	63.5  ± 13	14.5  ± 2.9	10.5  ± 3.1
2,400	59.5  ± 4.7	67.8  ± 9.3	59.2  ± 16	42.7  ± 6.7	ND	ND

Body and tissue weights are presented as percentages of the mean body and tissue weights from untreated animals, convenient for comparison of change in tissue weights with change in body weight in treated animals. The data are presented as the mean ± SD; for weights n = 10 and for counts n = 4. ND, not determined.

^*Significantly different from body weight (P < 0.05).

^† Significantly different from values obtained from untreated mice (P < 0.05).