Effects of temporary power failure on temperature, humidity and the activity of pigs in an experimental piggery

C.R. Boon , P. Hague , E. Shillito Walser
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引用次数: 3

Abstract

The changes occurring in an experimental piggery during temproary power failure, which stopped controlled ventilation, were recorded in six experiments. The changes were influenced by: (1) the position of the emergency ventilation panel — whether it fell out or stayed in; (2) the activity of the pigs; (3) the temperature outside the building at the time of the power cut. The pigs were less disturbed by increases in temperature than by decreases. The temperature inside the building dropped when it was cold outside and when the ventilation panel fell out. Otherwise, the temperature and relative humidity increased during power failures. It is concluded that the effects of short-term power failure are more harmful in very hot or very cold weather than in moderate weather. The effects in cold conditions can be ameliorated by leaving the ventilation panel in, but this should be a short-term measure.

临时停电对实验猪舍内猪的温度、湿度和活动的影响
实验猪舍在暂时停电期间发生的变化,停止了控制通风,被记录在六个实验中。这些变化受以下因素影响:(1)应急通风板的位置——它是掉出来还是留在里面;(2)猪的活动;(3)停电时建筑物外的温度。温度升高对猪的影响要小于温度降低对猪的影响。当室外很冷,通风板脱落时,建筑物内的温度就会下降。否则,在断电过程中温度和相对湿度会升高。结果表明,极热或极冷天气下短期停电的危害大于中等天气下。在寒冷的条件下,可以通过保留通风板来改善这种影响,但这应该是一个短期措施。
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