Jha, P., Singh, N., Sah, R., Yadav, J. L. and Jha, S. S. (2014) “Comparative efficacy of garlic (Allium sativum) and black cumin (Nigella sativa) as growth promoters in broilers”, Journal of Agriculture and Environment, 15, pp. 72–78. doi: 10.3126/aej.v15i0.19817.