Bhattacharyya A, Garg SK, Kumar V, Roy D, Ravikanth K, Maini S. Effects of Superliv Concentrate on the Growth, Immunocompetence Traits and Nutrient Retention of Commercial Broilers During Extreme Winter. Int. J. Poult. Sci. 2012;12(1):51–54. doi:10.3923/ijps.2013.51.54