Age and seasonal differences in the synthesis and metabolism of testosterone by testicular tissue and pineal HIOMT activity of Uinta ground squirrels (Spermophilus armatus)

Photoperiod and crowding effects on test

Photoperiod and crowding effects on testicular serotonin metabolism and lack of effects on melatonin synthesis in Uinta ground squirrels (Spermophilus armatus)

✍ Frehn, John L. ;Urry, Ronald L. ;Balph, David F. ;Ellis, Legrande C. 📂 Article 📅 1973 🏛 John Wiley and Sons 🌐 English ⚖ 466 KB 👁 1 views

## Abstract The photoperiod (i.e., constant light vs a 14/10 hour light/dark cycle) and “physical” crowding (group caging) on Uinta ground squirrels (__Spermophilus armatus__) was investigated to ascertain what effects these two environmental parameters would have on testicular metabolism of seroto