后备母猪舍夏季环境调控影响因子变化规律试验与分析*

doi:10.13733/j.jcam.issn.20955553.2021.11.09

中国农机化学报 ›› 2021, Vol. 42 ›› Issue (11): 50-57.DOI: 10.13733/j.jcam.issn.20955553.2021.11.09

• 设施农业与植保机械工程 • 上一篇下一篇

后备母猪舍夏季环境调控影响因子变化规律试验与分析^*

黄志滔^1,2, 曹永峰¹, 夏晶晶^1,3, 吴凡¹, 曾志雄¹, 吕恩利¹

1.华南农业大学工程学院,广州市,510642;
2.广州迦恩科技有限公司,广州市,510555;
3.广东机电职业技术学院,广州市,510515

收稿日期:2021-03-17 修回日期:2021-04-25 出版日期:2021-11-15 发布日期:2021-11-15
通讯作者: 曾志雄,男,1989年生,广东广州人,博士,实验师;研究方向为畜禽环境调控及智能化设施。E-mail: zhixzeng@scau.edu.cn
作者简介:黄志滔,男,1995年生,广东广州人,硕士研究生;研究方向为畜禽环境调控智能装备。E-mail: 18813751256@163.com
基金资助:
*国家重点研发计划项目(2018YFD0701002);广东省重点领域研发计划资助(2019B020225001);广东省畜禽疫病防治研究重点实验室开放课题(YDWS1904);广州迦恩科技有限公司技术开发合作项目(HXKJHT2020058)

Experiment and analysis on the change law of environmental control factors in summer in reserve pigsty

Huang Zhitao^1,2, Cao Yongfeng¹, Xia Jingjing^1,3, Wu Fan¹, Zeng Zhixiong¹, Lü Enli¹

1. College of Engineering, South China Agricultural University, Guangzhou, 510642, China;
2. Guangzhou Jiaen Technology Co., Ltd., Guangzhou, 510555, China;
3. Guangdong Mechanical & Electrical Polytechnic, Guangzhou, 510515, China

Received:2021-03-17 Revised:2021-04-25 Online:2021-11-15 Published:2021-11-15

摘要/Abstract

摘要： 为掌握夏季后备母猪舍环境调控的影响因子变化规律,以云南保山某规模后备母猪舍为试验对象,在猪舍内布置环境因子传感器,通过改变开启风机数量、风机组合和湿帘等措施,测试后备母猪舍内的温度、相对湿度和氨气的变化规律。试验结果表明:风机开启数量越多,舍内温度下降幅度越大(最大幅度为2.66 ℃),相对湿度上升幅度越大(最大幅度为9.76%),后备母猪舍内温湿度在通风方向上的分布越均匀。开启湿帘对后备母猪舍内降温效果明显,最大降温幅度为4.27 ℃,舍内相对湿度最大增加幅度为24.17%。开启左右两侧风机时,舍内温湿度分布较开启左中或右中侧风机均匀,后备母猪舍内平均THI指数为79.5,下降幅度为3.86%,能有效缓解猪只热应激;后备猪舍内的温度场不均匀系数为0.42,相对湿度场不均匀系数为0.5,舍内温湿度分布较为均匀。

关键词: 后备母猪舍, 环境调控, 分布特性, 温湿度, 通风模式

Abstract: In order to understand the change rule of the influencing factors of the environmental regulation of the reserve sow houses in summer, the temperature, relative humidity and ammonia in the reserve sow house were tested by changing the number of fans, fan combination, and wet curtain. The results showed that the more fans were turned on, the greater the range of temperature decrease (the maximum range was 2.66 ℃) and the greater the range of relative humidity increase (the maximum range was 9.76%), the more uniform the distribution of temperature and humidity in the ventilation direction in the reserve sow house. The maximum cooling range was 4.27 ℃, and the maximum increase of relative humidity was 24.17%. When the left and right fans were turned on, the distribution of temperature and humidity in the shed was more uniform than that of the left or right middle fans. The average THI index in the reserve female sheds was 79.5, with a decrease rate of 3.86%, which could effectively alleviate the heat stress of pigs. The uneven coefficient of temperature field and relative humidity field in the reserve piggery were 0.42 and 0.5, respectively, indicating that the distribution of temperature and humidity in the reserve piggery was relatively uniform.

Key words: reserve pigsty, environmental regulation, distribution characteristics, temperature and humidity, ventilation mode

中图分类号:

黄志滔, 曹永峰, 夏晶晶, 吴凡, 曾志雄, 吕恩利. 后备母猪舍夏季环境调控影响因子变化规律试验与分析^*[J]. 中国农机化学报, 2021, 42(11): 50-57.

Huang Zhitao, Cao Yongfeng, Xia Jingjing, Wu Fan, Zeng Zhixiong, Lü Enli. Experiment and analysis on the change law of environmental control factors in summer in reserve pigsty[J]. Journal of Chinese Agricultural Mechanization, 2021, 42(11): 50-57.

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后备母猪舍夏季环境调控影响因子变化规律试验与分析^*

Experiment and analysis on the change law of environmental control factors in summer in reserve pigsty

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