网上平养模式下肉鸡温室气体排放的研究  

Research on Measuring Greenhouse Gases Emissions of Broilers under the Mode of Net Rearing

作　　者：张晓迪[1] 朱丽媛[1] 卢庆萍[1] 孟丽辉[1] 唐湘方[1] 张宏福[1] 

机构地区：[1]中国农业科学院北京畜牧兽医研究所动物营养学国家重点实验室,北京100193

出　　处：《畜牧兽医学报》2017年第1期108-115,共8页ACTA VETERINARIA ET ZOOTECHNICA SINICA

基　　金：国家科技支撑项目(2012BAD39B01);中国农业科学院创新团队(ASTIP-IAS07)

摘　　要：本试验旨在利用呼吸舱测定白羽肉鸡温室气体(CO_2、N_2O和CH_4)的排放量并研究其排放趋势。选取300只体重相近、健康的1日龄爱拔益加肉鸡,平均分配在3个呼吸舱中,网上平养至42日龄。试验期间实时监测通风量及进气口、排气口处的CO_2、N_2O和CH_4浓度,计算气体排放量。结果表明,白羽肉鸡平均CO_2、N_2O和CH_4排放量分别为(31.40±11.45)g·d-1·bird-1、(9.13±0.43)mg·d-1·bird-1和(0.40±0.15)mg·d-1·bird-1;42d生长期内CO_2、N_2O和CH_4总排放量分别为(1 318.94±480.91)g·bird-1、(374.01±17.68)mg·bird-1和(16.67±6.17)mg·bird-1。肉鸡CO_2和N_2O每日排放量均随日龄增加而增多,且分别在24和27日龄之后维持在平稳状态;CH_4排放较少,在评估温室气体对环境的影响时可以不予考虑。The present study was conducted to measure greenhouse gases（CO2,N2O and CH4）emissions and investigate emission characteristics of broilers using respiratory chambers.Three hundred Arbor Acres broilers（1-day-old）with good health and similar weight were randomly allotted into 3respiratory chambers,and reared on the net until 42-day-old.A continual monitoring system for ventilation rate and the greenhouse gases concentration were used in this research to determine the 3gases（CO2,N2O and CH4）emissions.The results showed as follows：the CO2,N2O and CH4 emissions for broilers were（31.40±11.45）g·d^-1·bird^-1,（9.13±0.43）mg·d^-1·bird^-1 and（0.40±0.15）mg·d^-1·bird^-1,respectively.Total CO2,N2O and CH4 emissions from 1-day-old to 42-day-old were estimated：（1 318.94±480.91）g·bird^-1,（374.01±17.68）mg·bird^-1 and（16.67±6.17）mg·bird^-1,respectively.The daily emissions of CO2 and N2O increased with the growth of age of broilers,and then remained stable after 24-day-old and 27-day-old,respectively.The CH4 emissions were relatively lower,and could be ignored when assessing the effect of greenhouse gases on environment.

关 键 词：肉鸡 温室气体 排放 

分 类 号：S831.4[农业科学—畜牧学]