. The Canadian field-naturalist. Natural history; Sciences naturelles. 214 The Canadian Field-Naturalist Vol. 121 Correlation Between Age Estimates for Elk, Cervus Elaphus, Using Tooth Wear/Eruption Patterns and Counts of Annuli in Tooth Cementum. Rick Rosatte'-'', Andrew Silver', Mark Gibson', Bruce Chisholm^, and Norm Cool^ 'Ontario Ministry of Natural Resources, Wildlife Research and Development Section, Trent University, DNA Building, 2140 East Bank Drive, Peterborough, Ontario K9J 7B8 Canada â ^Canadian Food Inspection Agency, Edmonton, Alberta, T6H 5T6 Canada ^Parks Canada, Elk Island Na
. The Canadian field-naturalist. Natural history; Sciences naturelles. 214 The Canadian Field-Naturalist Vol. 121 Correlation Between Age Estimates for Elk, Cervus Elaphus, Using Tooth Wear/Eruption Patterns and Counts of Annuli in Tooth Cementum. Rick Rosatte'-'', Andrew Silver', Mark Gibson', Bruce Chisholm^, and Norm Cool^ 'Ontario Ministry of Natural Resources, Wildlife Research and Development Section, Trent University, DNA Building, 2140 East Bank Drive, Peterborough, Ontario K9J 7B8 Canada â ^Canadian Food Inspection Agency, Edmonton, Alberta, T6H 5T6 Canada ^Parks Canada, Elk Island National Park, Fort Saskatchewan, Alberta T8L 2N7 Canada '^Corresponding author e-mail: Rosatte, Rick, Andrew Silver, Mark Gibson, Bruce Chisholm, and Norm Cool. 2007. Correlation between age estimates for Elk, Cervus elaphus, using tooth wear/eruption patterns and annuli in tooth cementum. Canadian Field-NaturaUst 121(2): 214-215. Two different techniques, (1) tooth wear, tooth eruption patterns and other attributes and (2) counting annuli and seasonal growth zones in the cementum of incisor teeth, were used to estimate the age of Elk, Cen'us elaphus, that were relocated from Alberta to Ontario, Canada. Age estimates for Elk ranged from 2 to 20 years, and a significant relationship was found between the ages acquired by the two methods. Critical to acquiring accurate age estimates for Elk were staff with extensive skill with respect to the aging technique utilized. Key Words: Elk, Cennis elaphus, age estimates, annuli, cementum, tooth wear. During 1998-2001, 443 Elk {Cervus elaphus) were acquired from Elk Island National Park (EINP), Al- berta, Canada, and released in four different areas of Ontario, Canada (Rosatte et al. 2002; Rosatte et al. 2007). Elk were aged according to tooth wear, eruption patterns (deciduous and permanent teeth), colouring and staining of teeth, as well as by comparison to a reference sample of known-age Elk jaws, during pro- ce
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