Thirunavukkarasu, P.Moorthy, M.Viswanathan, K.Edwin, S.C.TANUVAS2018-04-132018-04-132009-05http://krishikosh.egranth.ac.in/handle/1/5810043451One hundred and forty four commercial Single Comb White Leghorn spent hens of 60, 65 and 70 weeks age group were purchased and reared for adaptation up to 61, 66 and 71 weeks of age. Then birds were weighed, leg banded and randomly allotted into six treatment groups with three replicates of eight birds each.en-USVeterinary SciencePoultry ScienceArticle