Shanmugapriya, B.Babu, S. SaravanaHariharan, T.Sivaneswaran, S.Anusha, M.B.Raja, P. UdayaTANUVAS2018-04-242018-04-242015-02http://krishikosh.egranth.ac.in/handle/1/5810044500TNV_IAJMR_2015_1(2)149-155The experiment was carried out to evaluate the effects of different levels of Spirulina platensis on growth performance and intestinal microbiota in eight hundred, one-d-old, Ross 308 male broiler chicks raised from 1 to 36 days of age. There were 4 dietary treatments; (i) Control, (ii) 0.5% of Spirulina platensis (5 g/kg feed), (iii) 1% of Spirulina platensis (10 g/kg feed) and (iv) 1.5% of Spirulina platensis (15 g/kg feed). Weight gain and feed intake of the broilers were significantly influenced by the addition of 1% of Spirulina platensis. The results suggest that supplementation of 1% of Spirulina platensis to diets for growing broilers might enhance counts of LAB and yeast in the gut. In addition, the 1% of Spirulina platensis to diets might have a negative effect on E. coli.enVeterinary ScienceArticle