(I) Staple food

Staple food is an important part of pet food. Staple food is usually divided into dry food and wet food. Dry food has less water content and is easy to store. It is the mainstream staple food with mature production technology. Compared with dry food, wet food has higher water content and meat content and better palatability. Staple food contains rich nutrients such as protein, fat, carbohydrates, vitamins and minerals, which can provide comprehensive nutrition for pets, meet the nutritional needs of pets at different life stages, and provide a solid foundation for pets' life guarantee, growth and health.

(II) Snacks

Pet snacks have multiple functions and nutritional values. First, snacks can regulate pets' appetite. Snacks with rich meaty aroma and tempting umami taste can easily open pets' appetite and stimulate their appetite. Mixing with staple food can solve the trouble of pets not liking to eat. Secondly, some snacks such as chewing gum and teeth sticks can keep teeth healthy and help pets pass through the tooth replacement period smoothly. At the same time, they can reduce the formation of tartar and dental calculus and prevent bad breath. In addition, snacks can also be used to interact with pets, increase pets' dependence on and favorability towards their owners, and as a temptation or reward when training pets, they can increase pets' excitement index and make training more effective.

(III) Health care products

Pet health care products are mainly used to supplement vitamins, minerals and other trace elements for picky, weak or elderly pets. Health care products are very necessary for pets that are picky eaters for a long time, do not eat staple food well, or have a single diet, as well as pets that are in poor health, weak, and elderly, and pets that need special supplements of certain vitamins or minerals due to illness. There are many types of pet health care products, including vitamin supplements, nutritional supplements, calcium supplements, hair beautification, pigment supplements, and breast milk replacement.