1. Zulpo D, Dauton L, Jaidson P, Leandro M, Elaine L, Marcos RO, Ivens GG, Selwyn AH, Jose da Silva GJ and Joao LG (2007) Pathogenicity and histopathological observations of commercial broiler chicks experimentally infected with isolates of E. tenella, E. acervulina and E. maxima. Londrina, Semina: ciencias Agrarias 28(1):97-104.
2. Bai K, Huang Q, Zhang J, He J, Zhang L and Wang T (2017) Supplemental effects of probiotic Bacillus subtilis fmbJ on growth performance, antioxidant capacity, and meat quality of broiler chickens. Poultry Science 96: 74-82.
3. Bancroft JD, Stevens A and Turner DR (1990) Theory and practice of histological techniques. 3rd ed. Churchill Livingstone. London, UK. 726 pp
4. Barbara G, Feinle-Bisset C and Ghoshal UC (2016) The intestinal microenvironment and functional gastrointestinal disorders. Gastroenterology 18(2): 35-42
5. Bera AK, Bhattacharya D, Pan D, Dhara A, Kumar S and Das SK (2010) Evaluation of economic losses due to coccidiosis in poultry industry in India. Agricultural Economics Research 23:91-96.