Current state of knowledge on phenotypic characteristics of indigenous chickens in the tropics

The rearing of indigenous chickens is an integral part of the smallholder farming system in the tropics, where they are kept by the rural poor to fulfil multiple functions. Their special adaptation to environmental stresses and poor husbandry practices has made them the choice of breed for smallholder production systems.   However, little effort has been made to characterize the indigenous chicken and their production environment, despite the increase in emerging works recently. This paper aims