Odoemelam, V. U., Unamba-Oparah , I. C. . and Unamba-Oparah, C. . (2024) “Retrospective Study on the Occurrence of Infectious Bursal Disease and Newcastle Disease in Orlu, Imo State”, Nigerian Journal of Animal Production, pp. 1415–1418. doi: 10.51791/njap.vi.6573.