Blue Rooster - Bluecomb is a disease that can occur in chickens, turkeys, and quail. It is also known as pullet disease, avian monocytosis, new wheat disease, X-disease, summer disease, and mud fever. It occurs most commonly in hot summer months, usually between June and November, and affects young birds under 2 years of age.
Blue Cochin chicken. This chicken was originally bred in China and later exported to Britain and America in the mid-19th century. As a very distinctive breed of chicken, it apparently created a bit of a craze among poultry lovers in the English-speaking world, effectively launching poultry fancy as we know it today.