Yes
No dogs because there's food, it's crowded and so many people have untrained dogs. Service dogs are allowed of course.
Ick
You can't take pets into restaurants or grocery stores. The farmer's market is an outdoor market. Lots of people are allergic to pets, even deeply allergic. I am one of them. Are you going to try shaming people with peanut allergies, too? My trade school doesn't allow peanuts anywhere.
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