The indigenous ducks of Tamil Nadu are having better production potential under nil input system of management and are being reared under nomadic system by the duck farmers as their livelihood preposition. Like this, different varieties of indigenous ducks available in different states of the country, which have not been properly characterized or documented. So, an attempt was made to characterize these ducks and phylogenetic tree was constructed to study the genetic distance between these duck populations. The different duck germplasm available in India, especially in Tamil Nadu (Sanyasi &...