Otter teeth

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From:Cheryl Crowder <> (by way of histonet)
To:histonet <>
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Russ - Some 20 years ago we hand ground otter teeth to check the cementum
lines for age.  It was rather much like checking the lines in a tree for
ago.  We also did this for nutria.  The sections were hand ground as I said
and then the researchers took the sections and counted each of the lines.
This had proven, at that time, the only reliable way to check the age of the
animals and see how they were doing in the wild.  Cheryl

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