Jackson Ratio
From Wikipedia, the free encyclopedia.

Researched and devised by Oliphant Jackson, MRCVS, the Jackson Ratio is a method of determining whether a tortoise, or a member of another Testudines species, is maintaining its optimum bodyweight, which is necessary for a successful hibernation

External link

http://www.slowcoach.org.uk/care/jackson/jackson.html

The original article can be found at: http://en.wikipedia.org/wiki/Jackson_Ratio.
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