Symptoms of worms in puppies can vary depending on the type of worms that are infested, but a dull coat, inability to gain weight, bloody stool, diarrhea or rice-like pieces in the stool are all indicators of some type of worm. Identify the symptoms of worms withinformation from a professional certified dog trainer in this free video on dog care. Expert: Zephyr Clarke-Dolberg Contact: www.miami-dog-training.com Bio: Zephyr Clarke-Dolberg is a certified professional dog trainer in Miami, Fla. Filmmaker: Paul Muller