Euthanasia of neonatal mice with carbon dioxide
Comparative Medicine
By: K. Pritchett, D. Corrow, J. Stockwell, and A. Smith
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Abstract
Exposure to carbon dioxide (CO2) is the most prevalent method used to euthanize rodents in biomedical research. The purpose of this study was to determine the time of CO2 exposure required to euthanize neonatal mice (0 to 10 days old). Multiple groups of mice were exposed to 100% CO 2 for time periods between 5 and 60 min. Mice were placed in room air for 10 or 20 min after CO2 exposure, to allow for the chance of recovery. If mice recovered at one time point, a longer exposure was examined. Inbred and outbred mice were compared. Results of the study indicated that time to death varied with the age of the animals and could be as long as 50 min on the day of birth and differed between inbred and outbred mice. Institutions euthanizing neonatal mice with CO2 may wish to adjust their CO 2 exposure time periods according the age of the mice and their genetic background. Copyright 2005 by the American Association for Laboratory Animal Science.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Euthanasia of neonatal mice with carbon dioxide |
| Series title | Comparative Medicine |
| Volume | 55 |
| Issue | 3 |
| Year Published | 2005 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Comparative Medicine |
| First page | 275 |
| Last page | 281 |
| Google Analytic Metrics | Metrics page |