The poultry keeping, especially for the chickens, is purposely done as a way of providing human beings with food and cash. The chickens are among the very few animals that produce meat with high quality protein content, which makes poultry keeping very important. Apart from meat, poultry keeping provides eggs as a product to the farmers of the birds. Eggs also are the major source of protein, which is needed in human body for growth. Poultry farming is a subcategory of animal husbandry, which majors in the chicken rearing, but other domestic birds can be included. There are different types of state flags for sale chicken that are reared in poultry farming for different purposes.

In poultry farming, there are some chicken types that are reared for the purpose of getting meat only or mainly. These are known as broilers, while those that are reared for eggs are known as layers; which comes from the term laying. The broilers are large in size, looks stronger and have a lot of weight, even in their young age. The layers are smaller in size and have smaller weight as compared to broilers. The most common layers are either brown or white in color.