Tamizhkumaran, JSudeepkumar, NKTensingh Gnanaraj, PPrabu, MTANUVAS2019-09-202019-09-202016http://krishikosh.egranth.ac.in/handle/1/5810128781TNV_TH_2016_DPV13005Livestock sector and animal production contribute significantly to the world economy, provide income, food security, high quality animal protein and manure. The sector generates livelihood for one billion poor in the world. Furthermore, livestock continues to be a potential pathway to alleviate poverty for rural producers and constitute a means of investment.enVeterinary ScienceThesis