Dogs eating egg yolk can play a role in beautifying their coat. Therefore, in daily life, owners can mix some egg yolk in dog food appropriately, but it is best to feed it every other day. Egg yolk is a food that is not easy to digest. If a dog eats a large amount of egg yolk, it may cause indigestion in the dog, and if the dog eats a large amount of egg yolk for a long time, it may also cause the dog to have high cholesterol.

　2. Lecithin

Lecithin, also known as lecithin, is known as the "third nutrient" alongside protein and vitamins. Lecithin is the main component of biological cell membranes. It can repair damaged cell membranes, activate the body's metabolism, and replenish essential nutrients in the body. Contains amino acids, consuming lecithin can make your dog’s hair more shiny and help improve the resistance of your dog’s skin. The taste of lecithin is also easier for dogs to accept. However, lecithins on the market are mixed, so owners must pay attention to the place of origin and quality when choosing lecithin for dogs. For example, Wangxiang lecithin is a good choice. It comes from the natural oxygen bar-Beihai City. The raw materials are relatively Relatively safe.

　3. Salmon

The nutritional value of salmon is very high, so many people will feed their dogs salmon when they want to supplement their nutrition. Of course, eating salmon also has the effect of beautifying and protecting the hair of dogs, but salmon sashimi is a raw and cold food. Improper consumption or handling, or when the fish is not fresh, bacteria and harmful substances can easily breed, causing food poisoning. Especially for dogs with poor gastrointestinal function, eating salmon can easily cause diarrhea, so it is not recommended. Give your dog raw salmon.