复合微生物除臭剂对冬季兔舍内空气环境质量的影响

Effect of Compound Microbial Deodorant on Air Quality in Rabbit House in Winter

兔舍内的氨气等废气对兔呼吸系统影响很大,使用复合微生物除臭剂可解决这一问题,但微生物群有其特定的适用条件和环境,在北方冬季寒冷地区复合微生物除臭剂是否有效是一个需要验证的问题。以河南省济源市阳光兔业科技有限公司为试验地点,进行了为期16 d的试验。选取兔数量、兔生长阶段、风机数量、建筑形式、饲养模式均相同的两栋兔舍,对两栋兔舍中的氨气(NH4)、二氧化碳(CO2)、温度、相对湿度、通风量进行检测。试验分为前后两部分进行:首先进行验证复合微生物除臭剂在冬季低温环境下是否有效和有效时长的试验,再进行复合微生物除臭剂对氨气的去除效果的试验。复合微生物除臭剂对兔舍内的氨气有去除效果(去除率为18.97%),喷洒1次的有效时长为2 d,但不能降低冬季兔舍内二氧化碳的浓度。持续使用复合微生物除臭剂能使兔舍内的氨气浓度显著降低(P<0.05),平均去除率为14.37%,最高去除率为18.34%。复合微生物除臭剂对氨气的去除效果与兔舍内的温度、相对湿度和通风量存在线性关系,回归模型为:Y=-0.827X1-1.006X2+0.789X3(X1:日平均温度,X2:相对湿度,X3:通风量,Y:氨气去除率,R2=0.82,P<0.05)。

Ammonia and other exhaust gases in rabbit houses have a great impact on the respiratory system of rab‐bits.This problem could be solved by using compound microbial deodorant.However,microbial communities have their specific applicable conditions and environment.Whether it is effective in cold winter areas in northern China is a problem that needs to be verified.A 16-day experiment was conducted in Jiyuan Sunshine Rabbit Technology Co.,Ltd.of Henan Province.Two rabbit houses with the same number of rabbits,growth stage of rabbits,number of fans,building form and feeding mode were selected to detect ammonia(NH4),carbon dioxide(CO2),temperature,relative humidity and ventilation in the two rabbit houses.The experiment was divided into two parts.Firstly,the validity and effective time of the compound microbial deodorant under low temperature in winter were tested.Then the removal effect of compound microbial deodorant on ammonia gas was tested.Compound microbial deodorant has removal ef‐fect on ammonia in rabbit house(removal rate was 18.97%).The effective time of spraying once is two days.It can not reduce the concentration of carbon dioxide in rabbit house in winter.Continuous use of compound microbial de‐odorant can significantly reduce the concentration of ammonia in rabbit house(P<0.05),with an average removal rate 14.37%.The maximum removal rate was 18.34%.There was a linear relationship between the removal effect of compound microbial deodorant and temperature,relative humidity and ventilation in rabbit house.The regression model was Y=-0.827X1-1.006X2+0.789X3(X1:daily average temperature,X2:relative humidity,X3:ventilation rate,Y:ammonia removal rate,R2=0.82,P<0.05).