Igwe et al. 2017
Sokoto Journal of Veterinary Sciences (2017) 15(1) Haematological changes in Isa-brown laying chickens (Gallus gallus domesticus) experimentally infected with velogenic Newcastle disease virus AO Igwe1*, DC Eze2 & ON Nwakudu3 1. Department of Veterinary Pathology, College of Veterinary Medicine, Michael Okpara University of Agriculture, Umudike, PMB 7267 Umuahia, Abia