Oke, E. , Ladokun, A. , Daramola, J. , Onagbesan, O. (2017), 'Haematology and Serum Biochemical Profile of Laying Chickens Reared on Deep Litter System with or without Access to Grass or Legume Pasture under Humid Tropical Climate', World Academy of Science, Engineering and Technology, Open Science Index 122, International Journal of Animal and Veterinary Sciences, 11(2), 91 - 96.