The chicken is a domesticated wild bird considered as jungle fowl where current day chickens are the subspecies of Red Jungle Fowl. The chicken is the most common and widespread domestic animals with the population of 19 billion around the world. There are more chickens in the world that any other species of animal or birds in the world. The chicken is considered as a poultry livestock raised for meat and eggs. The male chicken is called the cock or rooster and the female chicken is called hen. The male chicken is raised for meat, bird fighting, chicks production and as a pet while the female chicken is raised for eggs and chicks. The chicken farming is adopted all over the world as a basic livestock business generally terms as poultry farming. The baby chicken is called chicks.
The chickens are omnivorous species that feed on anything to live from scratching the soil, seeds, insects, lizards, small snakes, mice, food grains, wheat and also anything that is edible. The chicken farmed for eggs are called egg-laying hens or layers chicken. The layers hens can lay 300 eggs per year and is limited to 12 months after that the hen is used as meat which is termed as soup hens. The chickens farmed for meat are called broiler chickens where chicken are six weeks old to used as meat. There are number of other species of chicken are found in the market termed as local chicken and organic chicken which refers to chicken of 14 weeks and are reared for meat.