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Fig. 5. Litter mass (A) and pup body mass (B) of shaved (filled circles;
N=20) and unshaved control (open circles; N=20) mothers.
Double-headed arrows indicate period when mothers had dorsal fur shaved off to
increase heat loss capacity (days 6–18). *Days with
significant differences between offspring raised by shaved and control mice.
Values are means ± 1 s.d.