{"title":"Evaluation of storage conditions and periods for a three-drug anesthetic mixture in mice.","authors":"Hiroyuki Imai, Muneyoshi Hyoto, Kaoru Fujino, Sumito Matsuya, Akari Nishida, Ryoji Aoyagi, Yunosuke Tsutsumi, Kiyoshi Kano, Ken Takeshi Kusakabe","doi":"10.1292/jvms.24-0516","DOIUrl":null,"url":null,"abstract":"<p><p>The three-drug anesthetic mixture (medetomidine, midazolam and butorphanol), developed as an injectable anesthetic for laboratory animals, has been verified from various perspectives and applied to mice and other laboratory animals. However, the effects of its storage conditions and periods on its efficacy have not yet been studied. This study investigated the mixture's efficacy after storage under various conditions (room temperature, 4°C and -20°C) for 1 and 2 years. Mice in all groups were induced into a stable anesthetic state for at least 15 min after administration. The mice recovered from the anesthetized state 35 min after administration of the antagonist. These findings demonstrate the mixture's stability under different storage conditions and durations, potentially improving laboratory mouse welfare.</p>","PeriodicalId":49959,"journal":{"name":"Journal of Veterinary Medical Science","volume":" ","pages":"277-279"},"PeriodicalIF":1.1000,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11903349/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Veterinary Medical Science","FirstCategoryId":"97","ListUrlMain":"https://doi.org/10.1292/jvms.24-0516","RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/1/21 0:00:00","PubModel":"Epub","JCR":"Q3","JCRName":"VETERINARY SCIENCES","Score":null,"Total":0}
引用次数: 0
Abstract
The three-drug anesthetic mixture (medetomidine, midazolam and butorphanol), developed as an injectable anesthetic for laboratory animals, has been verified from various perspectives and applied to mice and other laboratory animals. However, the effects of its storage conditions and periods on its efficacy have not yet been studied. This study investigated the mixture's efficacy after storage under various conditions (room temperature, 4°C and -20°C) for 1 and 2 years. Mice in all groups were induced into a stable anesthetic state for at least 15 min after administration. The mice recovered from the anesthetized state 35 min after administration of the antagonist. These findings demonstrate the mixture's stability under different storage conditions and durations, potentially improving laboratory mouse welfare.
期刊介绍：
JVMS is a peer-reviewed journal and publishes a variety of papers on veterinary science from basic research to applied science and clinical research. JVMS is published monthly and consists of twelve issues per year. Papers are from the areas of anatomy, physiology, pharmacology, toxicology, pathology, immunology, microbiology, virology, parasitology, internal medicine, surgery, clinical pathology, theriogenology, avian disease, public health, ethology, and laboratory animal science. Although JVMS has played a role in publishing the scientific achievements of Japanese researchers and clinicians for many years, it now also accepts papers submitted from all over the world.
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