Olaniyi, M., Awoyomi, O. , Akinniyi, O., Adebiyi, A. , Alaka, O. , Ajayi, O. , Jubril, A. , Jarikre, T. and Emikpe, B. 2020. Retrospective study of swine respiratory diseases in Ogun and Oyo States, Nigeria: Immunohistochemical detection of <i>Mycoplasma hyopneumoniae</i>. Sokoto Journal of Veterinary Sciences. 18, 2 (Sep. 2020), 72–82. DOI:https://doi.org/10.4314/sokjvs.v18i2.3.