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#3095863 - 12/26/12 09:31 AM Re: Best way to age a deer???? [Re: 102]
Jerkasourous of the non-typical kind

Registered: 03/11/99
Posts: 65683
Loc: Nashville, TN

I've never heard of measuring the thickness of the skull-plate as an aging technique.

The Severinghaus tooth wear and replacement aging method is the standard aging technique. However, it does only give you a good minimum ages, especially for the oldest deer (Hellickson's study on known-age deer versus the tooth-wear aging process found that most deer aged by toothwear to be 4 1/2+ are actually a year or two older).

I suspect diet probably does affect tooth-wear.

Cemmentum annuli works extremely well outside of the Southeast for aging deer. However, I question it in the Southeast, where severe summer droughts are common (which can produce two growth/dormancy rings per year).

Personally, I stick to toothwear most of the time. It may under-age the oldest deer, but it does so consistantly, hence produces accurate trend data.
"Know where you stand, and stand there" --Jesuit Father Daniel Berrigan

"There is no reasoning someone out of a position he has not reasoned himself into." --Clive James

#3095978 - 12/26/12 10:25 AM Re: Best way to age a deer???? [Re: 102]

Registered: 12/05/03
Posts: 27796
Loc: TN

 Originally Posted By: 102
Teeth, but not by looking, cementum anuli (SP?). This is a process where a cross section of the tooth is used to determine age.

Aging by looking can be subjective after a deer reaches a certain age. I have seen three different age guesses on the same deer from three different "experts".

On the money, closest way to get an accurate age.

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