Breeders have a lot to observe when they have a new litter: health, structure, and temperament. And Labrador Retriever breeder Debby Kay keeps close tabs on another factor she considers crucial — how the pups use their noses. Kay has been a pioneer in scent-detection work for more than 40 years. Many of her Chilbrook … Continue reading Dogs in Demand for Explosives Detection Work in U.S.