Effects of Senescence on Female White-tailed Deer in Illinois

Charles M. Nixon, Philip C. Mankin

Research output: Contribution to journalArticlepeer-review


The fecundity and annual survival of 26 marked white-tailed deer (Odocoileus virginianus) between 8 and 18 years old were examined on 2 areas in Illinois offering some refuge protection. These females, often dominant members within the deer social structure, were healthy and productive well into old age. Fawn production declined somewhat with age (P = 0.02), but regression analysis did not reveal an obvious inflection point. Female survival after age 8 was significantly lower than survival of these same these same females 3–7 years old on the same study areas. A regression curve indicated survival began a significant decline at about age 10.
Original languageEnglish (US)
Pages (from-to)35
JournalTransactions of the Illinois State Academy of Science
StatePublished - 2015


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