Spears N, Clarke J R
J Reprod Fertil. 1986 Sep;78(1):231-8. doi: 10.1530/jrf.0.0780231.
The effect of mature males on the sexual development of young female and male field voles, reared in either long (stimulating) or short (inhibiting) photoperiods, was examined. Females reared in the presence of a mature male had a more advanced state of sexual maturation (as indicated by uterine weight) than did females reared in isolation from males, in long and short photoperiods (P less than 0.01). No interaction between photoperiod and male presence was found. Augmented uterine growth occurred not only when young females were separated from mature males by a wire mesh or solid metal screen but also when they were merely exposed to bedding previously used by mature males. Castrated males had no effect on the sexual development of females. The effect of mature males on the sexual development of young males was less clear, although there was some indication that the presence of adult males inhibited their sexual development in long and short photoperiods. For males and females, growth rate was stimulated by long photoperiod, but no effect of male presence on growth rate was found.
研究了成熟雄性对在长（刺激性）或短（抑制性）光周期下饲养的幼年雌性和雄性田鼠性发育的影响。在长光周期和短光周期下，与雄性一起饲养的雌性比单独饲养的雌性性成熟状态更高级（以子宫重量衡量，P小于0.01）。未发现光周期和雄性存在之间的相互作用。当幼年雌性通过金属丝网或实心金属筛与成熟雄性隔开时，以及当它们仅仅接触成熟雄性以前使用过的垫料时，子宫生长都会增强。阉割后的雄性对雌性的性发育没有影响。成熟雄性对幼年雄性性发育的影响不太明显，尽管有一些迹象表明成年雄性的存在会在长光周期和短光周期下抑制它们的性发育。对于雄性和雌性，长光周期会刺激生长速度，但未发现雄性存在对生长速度有影响。
