How broiler cage chickens can prevent bursal disease

At present, broiler chickens have two major diseases: soft rickets and hard rickets. Here are two examples of these diseases:[ Chicken Farm System Manufacturer] 

I. Soft rickets: Once the disease occurs in broilers, they will show little or no food. Farmers palpate the bursa, and the bursa of sick chickens will be soft, flexible and painful.

2. Hard rickets: Hard bursa is more common in the chick stage. Once the disease appears in broilers, it will show depression, fatigue, less or waste food, sagging wings, and unwillingness to move.

Hope the above description will bring some help to farmers, thank you for your attention!