New studies attempt to predict deer activity October 25, 2017 Illinois

Illinois Deer Population, Management News and Information Archive

New studies attempt to predict deer activity October 25, 2017 Illinois, The Herald Bulletin
... An Illinois study of pregnant road-killed does determined peak breeding occurs Nov. 8-11...  “As the photoperiod changes, testosterone increases in a buck. It’s a domino effect.”   A direct correlation exists between the eyes and the pineal gland which releases a hormone that tells the testes to produce more testosterone..,


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