Dogs will shed hair twice a year, and it will last for about 2 months. If more, it will stop automatically after 3 months. The accurate shedding time should be once in spring from March to May, and once in autumn from September to November. But it also varies from dog to dog, and the shedding period will be delayed. Molt in spring to stay cooler in summer. They molt in autumn to protect themselves from the cold winter. During this period, do not give your dog food that is too salty. It is best to give it dog food.