高密度叠层笼养蛋鸡舍内混合噪声试验  

Mixed Noise Research of High-density Stacked Laying Hen's House

作　　者：余礼根[1,2] 郭文忠 袁正东[3] 刘旭明 杨书展[3] YU Ligen1,2, GUO Wenzhong1,2, YUAN Zhengdong3 , LIU Xuming3, YANG Shuzhan3(1. Beijing Research Center for Information Technology in Agriculture, Beijing 100097, China ; 2. National Engineering Research Center of Intelligent Equipment for Agriculture, Beijing 100097, China ; 3. Beijing DQY Agricultural Polytron Technologies Inc, Beijing 100094, Chin)

机构地区：[1]北京农业信息技术研究中心,北京100097 [2]国家农业智能装备工程技术研究中心,北京100097 [3]北京德青源农业科技股份有限公司,北京100094

出　　处：《农业工程》2018年第3期52-57,共6页AGRICULTURAL ENGINEERING

基　　金：国家自然科学基金(项目编号:31402113)

摘　　要：针对高密度叠层笼养模式下蛋鸡舍内混合噪声,利用声级计采集噪声数据,采用音频分析软件Praat 5.3获取蛋鸡养殖舍内各生产系统机械噪声频谱特征,分析蛋鸡养殖舍内混合噪声声学特征参数及空间分布特点。试验结果表明,舍内生产系统机械噪声按对蛋鸡声环境质量影响的大小依次为通风系统、清粪系统、上料系统、饲喂系统和集蛋系统。生产系统机械噪声的声学特征参数间存在显著性差异(P<0.05);笼养蛋鸡舍内混合噪声的频率计权声压A值大小为69.0~75.0 d B,蛋鸡舍纵向与横向2个方向上的声压变化规律不一致,声学特征参数的空间分布差异显著(P<0.05)。高密度叠层笼养蛋鸡舍内混合噪声的测量分析,可在保证蛋鸡正常生长所需环境条件的前提下,对于蛋鸡舍内生产设备噪声管理与声质量评价具有重要的现实意义。Mixed noise in high-density stacked laying hen＇s house was collected by sound level meter. Spectrum features of mechanical noise of each production system in laying hen＇s house were obtained by using audio analysis software Praat 5. 3,acoustic characteristic parameters and spatial distribution characteristics of mixed noise were analyzed. Results of investigation on mixed noise of high-density stacked laying hen＇s house demonstrated that influence of mechanic noise to acoustic environmental monitoring was arranged as follows： mechanically ventilated system,manure collection system,food filling system,feeding system and egg collected system. Significant difference（ P〈0. 05） was exsisted between prodcution systems with acoustic characteristic parameters. Weighted sound pressure A of laying hen＇s house was 69. 0 ~ 75. 0 d B for inner environment. Variations of mixed noise with vertical and horizontal direction of laying hen＇s house didn＇t agree with each other,and spatial distribution of acoustic characteristics was also significantly differed（ P〈0. 05）. Measurement and analysis of mixed noise with high-density stacked cage system is very important for noise management and sound quality evaluation of production systems of laying hen＇s house. To some extent,reasonable adjustments to running program and operating time of mechanic equipment could reduce noise and body injury to laying hens with a guarantee to normal breeding conditions.

关 键 词：蛋鸡 叠层笼养 混合噪声 生产系统 声质量 

分 类 号：S831.4[农业科学—畜牧学]