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The following schedule is subject to change (as of October 11, 2016). Please check back for updates. For more information about this meeting, go to: www.seafwa.org/conferences/2016
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Monday, October 17 • 1:20pm - 1:40pm
Wildlife. Fawning Season of White-tailed Deer is Influenced by Population Demography

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AUTHORS: Timothy J. Neuman, Chad H. Newbolt, Stephen S. Ditchkoff - Auburn University

ABSTRACT: Although white-tailed deer (Odocoileus virginianus) are one of the most abundant and studied ungulates in North America, few studies of how population demography affects the fawning season have appeared to date. Age structure and adult sex ratio of a population may influence the timing and duration of the fawning season. From 2010 to 2013, we used Vaginal Implant Transmitters (VITs) to record the birth date of fawns born from native Alabama deer enclosed within a 174-ha captive facility to elucidate how population demography affects fawning season. The deer herd was intensively monitored which permitted us to document an earlier shift in fawning season as male age structure increased from a mean of 2.74 years old in 2010 to 3.92 years old in 2013. Prior to the shift, the mean fawning date was 12 August, and after a maturation of male age structure, the mean fawning date was 30 July. Earlier fawning may be important for neonatal survival, especially in areas of the Southeast where coyotes (Canis latrans) are severely reducing recruitment. The effect of male age structure on the timing and duration of the fawning season has yet to be firmly established, but we presume managers can increase neonate development and survival by increasing male age structure.

Monday October 17, 2016 1:20pm - 1:40pm
Riverview B

Attendees (8)