LARSEN, HELLE DAUGAARD,LYKKE, LEIF,AASLYNG, MARGIT DALL,BLAABJERG, LARS OLE,BRANDT, PIA
申请号：
CA3025815
公开号：
CA3025815A1
申请日:
2016.06.02
申请国别(地区):
CA
年份:
2016
代理人:
摘要：
When stunning animals e.g. by CO2-stunningaversive reactions may be seen among the animalsas a reaction to the high concentration of CO2. To avoidthe aversive reactions animals can be pre-stunned beforebeing final-stunned and perhaps killed or slaughteredwhen stunned. Pre-stunning of animals may be performedwith a combination of gas for pre-stunning comprisingat least air and/or O2 together with CO2 e.g. in aconcentration below 40%, at least air and/or O2 togetherwith N2O, or at least air and/or O2 together with N2Oand CO2, where CO2 may bi in a concentration below40%. For larger animals such as pigs pre-stunning is performedfor less than 60 seconds. A stunning system maycomprise means for pre-stunning of animals before performinga final-stunning and may include gas storage forre-use of the pre-stunning gas.
