| 大气氨及环境高温对蛋鸡的热损失与呼吸形式的影响 |
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| 引用本文： | 辛宏伟,James A.Deshazer,Marg M.Beck.大气氨及环境高温对蛋鸡的热损失与呼吸形式的影响[J].农业工程学报,1986,2(3):33-39. |
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| 作者姓名： | 辛宏伟 James A.Deshazer Marg M.Beck |
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| 作者单位： | 美国内布拉斯加大学农业工程系博士研究生;美国内布拉斯加大学农业工程系指导教授;美国内布拉斯加大学牧医系副教授 |
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| 摘 要： | 将白莱克亨蛋鸡分别受10ppm和60ppm大气氨作用30天后,放入含有5ppm大气氨的环境下恢复7天,然后将其放人环境空气温度分别为25℃、29℃、30℃和37℃的直接测热室内,测得其热损失及呼吸频率等数据。 实验结果表明,受60ppm大气氨作用和受10ppm大气氨作用的蛋鸡,具有相似的潜热损失率。鸡的潜热损失随着环境温度的升高、呼吸频率的加快而增大。对于给定的环境温度,呼吸频率的变化对潜热损失没有明显的影响。
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POULTRY ENERGETICS AS INFLUENCED BY AMMONIA AND TEMPERATURE |
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| Xin Hongwei,James A. Deshazer and Mery M. Beck.POULTRY ENERGETICS AS INFLUENCED BY AMMONIA AND TEMPERATURE[J].Transactions of the Chinese Society of Agricultural Engineering,1986,2(3):33-39. |
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| Authors: | Xin Hongwei James A Deshazer and Mery M Beck |
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| Abstract: | No decrease in efficiency of evaporative heat loss was indicated for 60 ppm ammobia-exposed hens compared to 10 ppm ammonia-exposed hens. Latent heat loss of the nirds increased with increasing. environmental temperature and the associated increasr in respiratory rate. Interestingly, changes in respiratory rate within a given temperature were not correlated with changes in evaporative heat loss. |
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