人工负离子对鸡舍空气环境净化作用研究

doi:10.11843/j.issn.0366-6964.2017.08.020

Abstract

Abstract:

Modern intensive, large-scale livestock and poultry breeding resulting in deterioration of indoor air quality of the animal house, leading to the accumulation of a large number of dust, harmful gases and micro-organisms, thereby affecting the animal health and production. In this study, negative ions were generated by artificial means to study their impact on the total number of aerobic bacteria, the content of dust and ammonia in poultry house, and to explore its application on purifying indoor air of poultry house. Using two identical poultry houses, two trials have been carried out to study the effect of negative ions on improving indoor air and the effective acting time in poultry house. In trial 1, air samples were collected at different time points from two poultry houses, one for experimental group with a negative ion generator in it, the other for control group with no negative ion generator, and the indexes mentioned above were measured. In trial 2, different power of negative ion generator was applied in the poultry house, and air samples were collected and measured before, running and after the application of negative ion generator. The results showed that the negative anions can significantly reduce the impact of the total number of aerobic bacteria and dust content in the house (P<0.05), but also has a significant effect with time (P<0.05). The content of dust with a particle size less 0.5 μm wasn't significantly affected by time (P>0.05),but the content of dust with a particle size of 1.0 μm or higher was significantly lower with prolonging of treatment time (P<0.01). The negative anions has no significant effect on the ammonia concentration in poultry house (P>0.05). And the negative ions that generated with higher power have greater efficiency to clean the dust and aerobic bacteria. With working of the anion generator after 30 min, the total number of aerobic bacteria and dust content in the house can be maintained significantly lower within 30 min and 60 min, respectively (P<0.05). The results suggest that negative ions can be used to improve the air quality of animal house and protect the health of livestock and poultry.

CLC Number:

S815.9

JIAO Hong-chao, SUN Li, CUI Can, HOU Xue-chao, LIN Hai. Effects of Artificial Anion on Purificating Indoor Air of Poultry House[J]. ACTA VETERINARIA ET ZOOTECHNICA SINICA, 2017, 48(8): 1543-1550.

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Effects of Artificial Anion on Purificating Indoor Air of Poultry House

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