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There is a tendency for a sick dog to ingest grass as it is believed to be a way for them to naturally purge themselves of either the illness or the toxins causing them to be sick. I guess if a dog were starving, they also would consume grass. But this is not the only time you will catch a dog grazing.
RELATED: Read More of Dr. Marty's advice.
Since eating grass is a natural way to purge themselves, dogs can be caught doing this before clinical illness sets in, preventing it from occurring. And one consistent thing I have witnessed over my four-decade career is something I've come to call "spring cleaning." It is a tendency to cleanse the body after a long winter’s hibernation as spring hits.