山西师范大学现代理学院本科毕业论12.docVIP

山西师范大学现代文理学院本科毕业论文 小型养鸡场蛋鸡产蛋周期分析 ——以**村博丰养鸡场为例 姓 名 王美瑞 系 别 经济管理系 专 业 经济学 班 级 1002 学 号 ******** 指导教师 **** 答辩日期 成 绩 小型养鸡场蛋鸡产蛋周期分析 ——以**村博丰养鸡场为例 内容摘要 随着养鸡业的发展，农村养鸡业的发展也变得日益突出和紧迫，因此研究蛋鸡产蛋周期对养鸡户提高经济效益显得尤为重要。针对农村养鸡条件差、规模小，蛋鸡产蛋率不高等情况，本文将选择**村博丰小型养鸡场进行研究分析。 本文通过问卷调查法对博丰小型养鸡场蛋鸡产蛋周期进行调查，收集整理到关于2006年4月6日4320只雏鸡从购进到卖掉这段时间里，随着鸡的周龄的增长，产蛋量和耗料量相应的变化的数据资料。通过对这些数据的整理和分析可以得出蛋鸡的产蛋量与蛋鸡的耗料量、蛋鸡的周龄有着密切的关系，具体可以概括为：第一，在蛋鸡进入产蛋阶段后，随着蛋鸡周龄的增长，蛋鸡的产蛋量呈现出先增长后下降的趋势；第二，随着平均耗料量的增加，蛋鸡的平均产蛋量也有所提高。 在农村这个技术水平还不成熟的社会背景下，通过分析蛋鸡产蛋周期，得出影响产蛋量的因素，使养殖户在养殖过程中不断提高蛋鸡产蛋率来增加其经济收入。因此，研究蛋鸡产蛋周期有着现实经济意义。 【关键词】蛋鸡产蛋周期 平均耗料量 平均产蛋量 周龄 To a chicken farm to pay a small laying hens eggs cycle analysis ——The bo feng chicken farm is in the beizheng village,it as an example Abstract Along with the development of the poultry insdustry ,the development of rural poultry industry have become increasingly prominent and urgent,so the laying hens lay eggs cycle of yangjihu it is particulary important to improve the economic benefit.Rural poor chicken,small in scale,laying hens laying rate is not high ,this article will choose bofeng of beizheng village to a chicken farm to pay a small research of analysis. This article through the questionnaire investigation of bofeng to a chicken farm to pay a small laying hens egg production cycle to investigate,collect to on April6,2006 chicks from purchase to sell this time,as the growth of the weeks of chicken ,egg production and consumption rate of the ?corresponding?changes?in?the?data.Through?analyzing?these?data?and?can?be?concluded?that?the?laying?hens?egg?production?and?consumption?rate,?weeks?of?laying?hens?have?close?relations,?the?concrete?can?be?summarized?as?follows:?first,?after?entered?the?stage?of?egg?laying?hens,?as?the?growth?of?the?weeks?of?layers,?layers?of?egg?production?present?a?growth?trend;Second,?with?the?increase?of?the?average?consumption?of?shoes,?it?also?improved?the?average?egg?production?of?laying?hens. The technical level in the countrysi