多层层舍的热稳定性与全年侧墙输入通风系统
1Department of Agricultural Structure and Environmental Engineering, College of Water Resources and Civil Engineering, China Agricultural University, Beijing 100083, China.
Poultry science
|September 30, 2025
概括
这项研究引入了一种全年侧墙输入通风 (ASV) 系统,以稳定家禽舍的室内温度. ASV系统有效地减少了白天温度波动,改善了的福利和生产力.
科学领域:
- 动物科学动物科学
- 农业工程 农业工程
- 环境科学 环境科学
背景情况:
- 替代性养系统面临着由于季节性通风调整而导致大温波动的挑战,影响家禽福利和生产力.
- 临时和季节性通风变化会导致母水平的显著热量变化,从而损害最佳的住房条件.
研究的目的:
- 提出和评估全年侧墙输入通风 (ASV) 系统,旨在稳定空气流并最大限度地减少层房的热变化.
- 评估ASV系统在407天内在温带季风气候下在商业多层层房子中的有效性.
主要方法:
- 在商业层房屋中实施全年侧墙输入通风 (ASV) 系统,具有缓冲空间和恒定的空气输入.
- 在407天内使用58个传感器监测室外条件,缓冲空间,侧墙入口和室内区域.
- 记录卵产量和料摄入量数据以与环境参数相关联.
主要成果:
- 在研究期间,77.4%的时间里,ASV系统保持室内温度在18.3°C和29.8°C之间,日间波动在3°C以内.
- 与室外波动 (11.614.0°C) 相比,室内平均日间温度波动明显较低 (2.02.8°C).
- 每日食摄入量的偏差与7天内室内平均,最高和最低温度 (P < 0.001) 强烈相关.
结论:
- 全年侧墙进气通风 (ASV) 系统有效地稳定了室内日间温度波动在4.7°C内跨季节.
- ASV系统提供了一个可行的通风策略,以提高家禽的福利和生产力,支持过渡到无住房系统.
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