"Ted Davis" wrote in message

Depends on what you mean by natural. I read somewhere that one of the
few differences between the African Wild Cat and modern domestic cats
is that the modern cats have a digestive system modified in the
direction of less specialized diets, that is, in the direction of
improved carbohydrate digestion.///

Certainly one of the ways to differentiate between European Wildcats
"Felis sivestris silvestris", and Domestic cats "Felis Silvestris catus"
is by gut length. Wildcats have a shorter gut than domestic cats, which
I would suggest is due to a lower proportion of grain in their diet.
This anomaly is backed up by studies that were done on rodents (can't
find the exact reference at the moment but can dig it out of wanted),
whereby rodents were fed differing levels of cereals in their diet and
over a few generations the gut length changed "significantly" (i.e.
became longer) in the rodents on a more cereal based diet. Given the
levels of cereal in cat food these days, it would be a fair leap to
conclude that domestic cats had adapted slightly to differences in a
comercial diet.

Having said that, I wouldn't feed my cats a pure dry diet - they get a
mixture of wet, dry and fresh food.

Just my $0.02c.

Helen M


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