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刘燕,张志委,赵婷婷,霍雅鹏,万冬梅,殷江霞.2017.光周期和光刺激对雄性灰文鸟行为及生理状况的影响.动物学杂志,52(6):954-963.
光周期和光刺激对雄性灰文鸟行为及生理状况的影响
Influence of Photoperiod and Photostimulation on the Behavior and Physiology of Male Java Sparrow (Lonchura oryzivora)
投稿时间:2017-03-18  修订日期:2017-10-31
DOI:10.13859/j.cjz.201706004
中文关键词:  光周期  皮质酮激素  光刺激  血清蛋白  灰文鸟
英文关键词:Light cycle  Corticosterone hormone  Photostimulation  Serum protein, Java Sparrow
基金项目:国家自然科学基金项目(No. 31100271)
作者单位E-mail
刘燕 辽宁大学生命科学院 978515620@qq.com 
张志委 辽宁大学生命科学院 1054074330@qq.com 
赵婷婷 辽宁大学生命科学院 1074878569@qq.com 
霍雅鹏 辽宁大学生命科学院 2098206764@qq.com 
万冬梅 辽宁大学生命科学院 1147938620@qq.com 
殷江霞 辽宁大学生命科学院 xia0615@126.com 
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中文摘要:
      光周期变化是导致动物行为发生变化的重要因素之一。为揭示不同光周期条件下鸟类对光刺激的生理和行为反应,本文通过比较雄性灰文鸟(Lonchura oryzivora)在经长(16L︰8D)、中(12L︰12D)、短(8L︰16D)3个光周期条件驯化后,再给予72 h的光刺激,研究其行为、血清皮质酮含量和血清蛋白的变化特征。结果表明,光周期改变直接影响雄性灰文鸟的行为。雄性灰文鸟的血清皮质酮含量受光周期和光刺激的影响,中光照周期条件下雄性灰文鸟皮质酮激素对光刺激的响应与长、短光照周期条件下明显不同。不同光周期条件下灰文鸟α-球蛋白区、β-球蛋白区和γ-球蛋白区血清蛋白的成分存在差异。上述结果表明,光周期显著影响雄性灰文鸟对光刺激的生理应激反应方式。
英文摘要:
      Photostimulation affects a range of physiological and behavioral characters in birds. However, whether such changes would be affected by photoperiod largely remain unknown. In order to reveal the role of photoperiods in mediating the responses of male Java Sparrow (Lonchura oryzivora) to photostimulation, a total of 18 Java Sparrows were randomly separated into three groups with each containing six individuals. These three groups were housed in separate chambers and exposed to mid photoperiod (12L︰12D, supplemented with artificial lights between 6:00 to 18:00), artificial long (16L︰8D, lights on 6:00 to 22:00) and short (8L︰16D, lights on 6:00 to 14:00) photoperiods respectively. In either case, artificial lights were provided with white fluorescent lamps (light intensity at cage level 550 lx) which were operated by automatic programmed devices. After 30 days, the birds belonging to each photoperiodic group were subsequently separated into two subgroups each with three individuals. Each photoperiodic experiment group was provided uninterrupted light for 72 h and the control group remain unchanged with the behavior in both groups being completely monitored by digital cameras. The quantity of corticosterone in serum was estimated by ELISA Kit and serum proteins were separated and identified by SDS-PAGE electrophoresis after 72 h photostimulation. Videos were then analyzed, with the length of all kinds of behavior (activity, nest, petch, feeding and preening) being recorded. Behavioral data and the changes of corticosterone were analyzed by two-way analysis of variance (ANOVA). The migration rate of SDS-PAGE gel (Rf value) was calculated, and the serum protein zoning was divided according to the range of Rf. The results showed that: 1. Photoperiod affected the behavior of Java Sparrow (Fig. 1). 2. Photoperiod affected corticosterone hormones in male Java Sparrow, with the response of corticosterone in mid photoperiod differed from the other two photoperiods (Fig. 2). 3. Serum protein components were affected by photoperiod (Table 1). All these results suggested that photoperiod mediated physiological responses of male Java Sparrow to photostimulation.
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