What is the role of Ghanairitan to feed birds all year round?

Ghanairiz is a grain that provides birds and oil for birds.In addition, this kind of thing can help the bird's digestion, help it to fight fatigue, and even enhance vision and promote the blood circulation of birds.Of course, although it has many benefits, it cannot only feed this kind of food, otherwise it will also cause nutritional imbalance, and its oil content is too high, and it is easy to get the birds to gain weight.