Figure 1

Top: mean intervals (days 1 SE) between estrous cycles throughout the lifetimes of four captive Carolina Dogs. Numbers indicate sample sizes.

Bottom: monthly distributions of estrous cycles of the same four dogs depicted above. Peaks in estrous frequency are shown in the spring and late summer, coincident with peaks in the reproduction of small mammals from the area where the dogs originated. 20

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The Carolina Dog Association

Jane Gunnel, JD, President -- NEW E-MAIL ADDRESS
The College of Science and Mathematics at the University of South Carolina
803-215-6166 or 803-649-0045

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