McLoughlin M F, McMurray C H, Dodds H M, Evans R T
Vet Rec. 1985 Feb 2;116(5):119-21. doi: 10.1136/vr.116.5.119.
Toxic silo gases are a potential danger to livestock housed in close proximity to silos. On the fourth day of ensiling, five fattening pigs were found dead in a pen adjoining a grass silo. Post mortem examination revealed extensive lung damage and methaemoglobinaemia. A dense reddish-brown gas was concentrated at floor level to a height of 1 m in the pen and had diffused into adjoining pens, where dry and suckling sows and litters were showing signs of respiratory distress and weakness. The gas was identified as a mixture of nitrogen dioxide and dinitrogen tetroxide. These gases may be produced in the early stages of silage making. In this case, they had accumulated in a slurry channel below the silo and leaked through an adjoining wall into the piggery. The production and toxicological effects of silo gases are discussed.
有毒的青贮窖气体对饲养在靠近青贮窖处的家畜构成潜在危险。在青贮的第四天，发现毗邻一座青草青贮窖的围栏中有五头育肥猪死亡。尸检显示肺部有广泛损伤和高铁血红蛋白血症。一种浓密的红棕色气体在围栏内地面至1米高度处聚集，并扩散到相邻的围栏中，在那里，干奶母猪、哺乳母猪及其仔猪都表现出呼吸窘迫和虚弱的迹象。该气体被鉴定为二氧化氮和四氧化二氮的混合物。这些气体可能在青贮制作的早期阶段产生。在本案例中，它们在青贮窖下方的一个泥浆通道中积聚，并通过相邻的墙壁泄漏到养猪场。本文讨论了青贮窖气体的产生及其毒理学效应。
