Chicken

Domestic chicken (Lat. Gallus gallus, occas. Gallus gallus domesticus or Gallus domesticus) the most numerous and widespread species of poultry. Over the long history of becoming domestic the man has selected a large number of various chicken breeds. Chickens belong to the most useful and notable by their productivity poultry. They are bred for meat and eggs, as well as for feathers and floccus.