There is one theory that is based on the principle that wild canines may eat plant material as a naturally way of purging intestinal parasites and that this is an instinctual behavior left over from pre-domestication days. However, given that most (hopefully) of our pet dogs are parasite free this would be based purely on instinct and not on the premise that the dog actually feels he has worms.
Tomatoes Tomatoes Tomatoes! It’s CSA Week 11
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