肉鸡舍小气候参数的评价及其与两种垫层的相关性

C. Hegedus, S. Pașcalău, Luisa Andronie, A. Rotaru
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引用次数: 0

摘要

该研究是在来自一个商业肉鸡农场的肉鸡房中进行的。根据不同的饲养条件,对连续两个系列的肉仔鸡进行床上用品质量的跟踪:在棚舍H4中,稻草为1和2系列;在棚舍H10中,1和2系列的床上用品混合物为1 / 4稻草和剩余木屑。每天监测三个不同地区的小气候参数,三个读数的值代表平均值。为了降低垫层的pH值,包括去除垫层中有机物降解产生的氨,每周返回2-3次。结果表明:小气候各物理参数均不存在异常值,它们之间存在极显著的正相关或负相关。在混合层理水平上,秸秆层理温度与防护林空气中二氧化碳含量的相关性极显著,不显著。每周翻动床上用品2-3次,秸秆+木屑混合物的床上用品pH值较低。秸秆层理层温度值(29.69±2.38℃~ 26.35±2.64℃)低于秸秆+木屑混合层理层温度值(*P<0.05)。层理质量的pH值与屋级氨监测量呈极密切的负相关关系:(-0.83*** ppm NH3)、秸秆层理和(-0.96*** ppm NH3)秸秆¼+木屑混合层理。结论:通过控制小气候参数,保证必要的风量,监测污染物和物理小气候参数,定期归还被褥,可以降低死亡率和氨烧伤率,确保良好的福利条件。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evaluation of Microclimate Parameters, the Interdependence Between Them on Two Types of Bedding in the Broiler Houses
The research was carried out in broiler houses coming from a commercial broiler farm. Two consecutive series of broiler were followed for each of the specific housing conditions in terms of bedding quality: straw: series 1 and 2 in shelter H4 and bedding mixture: ¼ straw and the rest sawdust for series 1 and 2 housed in shelter H10. The microclimate parameters were monitored daily in three different areas, the value of the three readings representing the average. To reduce the pH of the bedding and inclusive of the removal of ammonia resulting from the degradation of organic matter in the bedding, it is returned 2-3 times a week. The results reveal that: there are no exceedances of the values in terms of physical parameters of microclimate, between them there are extremely significant correlations (positive or negative). The correlation between the temperature of the straw bedding and the carbon dioxide in the shelter air is extremely significant and insignificant at the level of the mixed bedding. The pH of the bedding has lower values in the case of the straw ¼+ sawdust mixture by turning the bedding 2-3 times a week. The temperature value at the bedding level is lower in the case of straw compared to the mixture of straw ¼+ sawdust (29.69±2.38 0C - 26.35±2.64 0C), which entails significant differences (*P<0.05). Between the quality of the bedding in terms of pH and the amount of ammonia monitored at the level of the houses, there is an extremely close negative relationship: (-0.83*** ppm NH3), straw bedding and (-0.96*** ppm NH3) straw ¼+ sawdust mixture bedding. Conclusion: keeping the microclimate parameters under control by ensuring the necessary air volume, monitoring the pollutants but also the physical microclimate parameters, regular return of bedding have as a result low mortality rate and low percentage of ammonia burns which denotes ensuring good welfare conditions.
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