Traditional chicken breeds, Gallus gallus, exhibit a wide range of phenotypes and more than 200 ‘fancy’ breeds are recognised (Scrivener, 2006, 2009). While some of these breeds are of recent origins ...

The contemporary chicken was most probably developed from its main wild ancestor, the red jungle fowl (Gallus gallus), after its domestication in Southeast Asia in 3,200 BC. Over the years, chicken ...