Protect them from diseases: Protecting the chickens from illnesses is a major factor that you should look at when raising chickens. When you arrange for shots, you’ll have no problem with raising chickens. Generally, chickens are delicate and can be prone to illnesses. The most common disease that hens can get is Coccidiosis. Remember that this disease is contagious and may propagate easily to other chicks. Instead of worrying about curing it, it is better to prevent it before it advances.