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J Appl Anim Welf Sci. 2010;13(1):46-55. doi: 10.1080/10888700903372010.

The effects of chronic exposure to common bedding materials on the metabolic rate and overall health of male CD-1 mice.

Author information

1
Department of Biological Sciences, York College of Pennsylvania, York, PA 17405-7199, USA. brehnber@ycp.edu

Abstract

Anecdotes and personal Web pages claim that cedar and pine beddings cause respiratory distress in rodents, although no previous research could be found to support these claims. There have, however, been published studies of respiratory distress in cedar and pine mill workers. That research links exposure to wood dust to asthma and to bronchial and alveolar damage in humans. This study looks at the effects of 3 types of bedding (CareFRESH Original, cedar, and pine) on the growth, food intake, oxygen consumption, IgE antibody concentrations, and general appearance and behavior in male CD-1 mice. Mice who were housed on these beddings for approximately 4 months did not show significant differences in any of these variables. This suggests that these 3 materials provide equally healthy substrates for long-term rearing of mice and possibly other rodents.

PMID:
20017045
DOI:
10.1080/10888700903372010
[Indexed for MEDLINE]

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