Abstract
IF laboratory mice, Mus musculus, are bred in permanently mated pairs in an environment kept at −3° C, their litters are usually smaller at birth than those of controls at 21° C1. Cold adaptation is also accompanied by differences in the relative weights of many organs and tissues2–4. In particular, the gonads, at least of unmated mice, tend to be lighter in a cold environment.
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References
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Barnett, S. A., Smart, J. L., and Stoddart, R. C., J. Zool., 163, 443 (1971).
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BARNETT, S., MUNRO, K. Persistent Corpora Lutea of Mice in a Cold Environment. Nature 232, 406–407 (1971). https://doi.org/10.1038/232406a0
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DOI: https://doi.org/10.1038/232406a0
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