Jagbir Tyagi

I. INTRODUCTION Using AI, the services of a single superior male can be extended to a large number (more than 250) of females instead of 8 hens (natural mating). AI in avian species expresses better fertility than natural mating (Saeki and Nagomi, 1964, Mohan et al., 2016). AI increases overall fertility and hatchability with reduced cost of production per day old chick (Brillard, 2003). Adopting ...