| Age, d |
5-Hydroxytryptophan Production, (nmol/mg protein/h) |
Serotonin Concentration, (ng/mg tissue) |
Epididymis Weight, (g) |
Testes Weight, (g) |
Body Weight, (g) |
|
| Sexually inactive |
0.305 ± 0.036 (n = 4) |
0.315 ± 0.041 (n = 14) |
0.596 ± 0.013 (n = 19) |
1.82 ± 0.037 (n = 19) |
372 ± 90 (n = 19) |
| Breeder |
0.390 ± 0.027 (n = 9) |
0.622 ± 0.060 (n = 33) |
0.621 ± 0.009 (n = 60) |
1.86 ± 0.022 (n = 60) |
443 ± 60 (n = 30) |
|
| *Data are presented as mean ± SEM. |
| Student's t test: t = 4. 131, df = 45, P
< .001. |
| Student's t test: t = 6. 647, df = 47, P < .001. |
|
