This is not exactly a medical condition, but it could be embarrassing. Some people are not accustomed to sitting around and hearing a dog pass gas. More often than not, they think you did it. Or, there is no sound, only a deadly gaseous odor and you may innocently look to your peers and say " oh dear, Peanut is gassy again". but of course, they  do not believe you.

If your Pugger is passing gas excessively, you may need to remove something from his diet. One of them is soy. Sometimes a high carbohydrate diet produces flatulent Pugs and sometimes, it is a high protein diet. If you feed Pugsley canned foods or tablescraps, these things may be the culprit.

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