Veterinary methods for administering nitric oxide (NO) in a plasma state to a treatment site associated with an animal are disclosed. A discrete stream of matter is placed in a plasma state, in which the stream has, as part of its content, a desired concentration of NO. The discrete stream of matter is directed at a site of action associated with an animal to achieve a therapeutic result. A method for decontamination of veterinary equipment with NO in a plasma state is also disclosed.本發明揭示一種用於將電漿態之一氧化氮(NO)投與至與動物相關之治療部位之獸醫學方法。將分開之物質物流置於電漿態下,其中該物流具有期望濃度之NO作為其內容物之一部分。將該分開之物質物流導向與動物相關之作用部位處以達成治療結果。本發明亦揭示一種用於利用電漿態之NO對獸醫設備除污之方法。