Efficacy of intra-muscular analgesics for acute pain in sheep.


The analgesic action of intramuscularly injected buprenorphine, methadone, flunixin meglumine and xylazine was examined in sheep, using algesimetry based on a leg withdrawal response to an electrical stimulus. No analgesic response was detected for buprenorphine, methadone or flunixin meglumine. Only the alpha 2-adrenoceptor agonist, xylazine, produced an… (More)