A high protein diet appears linked to kidney disease and shortened lifespans for captive polar bears, a relationship similarly suspected in humans. A careful look at what zoos have fed polar bears revealed they mostly offered a diet intended for big cats, containing about 2-3 parts protein to 1-part fat, a reversal from what was observed in the wild.
from Latest Science News -- ScienceDaily https://ift.tt/3rqqrSg
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