Pet experts give steps on how to keep dogs safe, calm during fireworks this Fourth of July weekend Vets say pets hate fireworks and causes anxiety in most dogs. and last updated 2021-06-30 09:34:57-04 MANATEE COUNTY, Fla. â While many of us celebrate the Fourth of July holiday with fireworks, our dogs don't see it as a celebration. "They donât (always) like the same things we do and they definitely donât like fireworks," said Hans Wohlgefahrt, with Manatee County Animal Services. On the days following July 4, shelters say they are flooded with stray dogs that have run away because of fireworks. Which, Wohlgefahrt says is a big problem for already overcrowded shelters.