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Chapter 21,834

Suppression of reproduction in upper Michigan white-tailed deer, Odocoileus virginianus, by climatic stress during the rut

Verme, LJ.; Doepker, RV.

Canadian Field-Naturalist 1023: 550-552

1988


Accession: 021833730

Acute physiological stress following an unseasonably early blizzard apparently inhibited folliculogenesis (hence estrus) among adult White-tailed Deer (Odocoileus virginianus) in Upper Michigan during the 1985 rut. A fourfold increase in the proportion of non-pregnant does occurred that breeding season compared to the long-term mean, 4.7 versus 17.5%, respectively. There was no evidence that inadequate nutrition during pre-rut prompted this outcome, nor that prenatal mortality was a factor.

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