The 21st Annual Pet Industry Spring Trade Show and Educational Conference will take place on 3-5 April at the Baltimore Convention Center. Approximately 400 pet supply manufacturers and distributors in 700 booths will feature the latest innovations for pets of all types. The show offers an All-Natural Area, featuring companies with natural or “green” products representing nearly every segment of the pet industry, educational Aquatic Answers “Ask the Expert” sessions and a product showcase. New this year is H.H. Backer’s Royal Flush Contest, where the top three hands each day will win prizes from the contest’s sponsors and the chance to win $50,000 in the daily Royal Flush finalist round.