One downside of raising peacocks is that their feed is costly. But don't worry; there are ways to reduce the cost of peacock feed. For example, you can feed your peacocks alternative feeds.
Like gamebirds, peacocks need a very large amount of proteins. A peacock may need between 25% to 35% protein in its diet, according to its age and breed.
Give potatoes to peacocks as treats: If you want to give your peacocks some treats or you want to reward their good behavior, you can give them some potatoes or sweet potatoes.