What Dog Owners Need to Know About China’s Pet Jerky Treats

With more than 1,000 canine deaths reported in connection with Chinese jerky treats and Petco’s decision to withdraw all pet treats made in China from shelves by the end of 2014, pet owners may have reason to worry — especially if they’ve been feeding their dogs or cats imported foods.

TIME’s Bryan Walsh explains which symptoms pet owners should watch out for and why pet food regulations may be difficult to improve.