K. SRIDHAR, D. NAGALAKSHMI, and S. V. R. RAO, “Effect of graded concentration of organic zinc (zinc glycinate) on skin quality, hematological and serum biochemical constituents in broiler chicken”, Indian J of Anim Sci, vol. 85, no. 6, pp. 643–648, Jun. 2015, doi: 10.56093/ijans.v85i6.49335.