Narmatha, N.Sakthivel, K.M.Jothilakshmi, M.Uma, V.Thirunavukkarasu, D.TANUVAS2020-07-222020-07-22http://krishikosh.egranth.ac.in/handle/1/5810149623TNV_BC_E._1-11Agriculture is the main source of livelihood for a majority of India's working population. 'I‘he sector remains the principal source of livelihood for more than 58% of the population though its contribution to the national GDP has declined to 14.2% due to high growth experienced in industries and services sectors. Accelerating growth in agricultural sector remains a key policy concem in India despite a significant decline in its share in gross domestic product (GDP), from 48% in 1970/71 to 14.2% in 2010/11 [GOI, 2011). The importance of agriculture transcends beyond its economic contribution.en-USVeterinary ScienceVeterinary ExtensionBook chapter