Butswat, I.S., Osinowo, O.A., Adegbola, T.A. and Mbap, S.T. 2021. INFLUENCE OF BIRTH WEIGHT, YEAR AND PARITY ON PREWEANING MORTALITY IN YANKASA SHEEP. Nigerian Journal of Animal Production. 22, 2 (Jan. 2021), 120–124. DOI:https://doi.org/10.51791/njap.v22i2.2419.