Vaccination of chickens with live Newcastle disease virus vaccines adjuvanated with Nigella sativa oil
Journal Title: Journal of Veterinary Medical Research - Year 2005, Vol 15, Issue 2
Abstract
Two hundred, five-week old chickens were divided into six equal groups (30 chicks/group) and vaccinated with different live NDV vaccines in Nigella sativa oil. The vaccinated birds were bled at one-week interval post-vaccination over six weeks and the collected sera were tested by the HI test. Half of each group was challenged 21-days post-vaccination by intramuscular route of inoculation with 2X105EID50 of the velogenic viscerotropic Newcastle disease virus (VVNDV). Birds were observed for 15 days post-challenge for any clinical signs of Newcastle disease. Deaths within this period were subjected to post mortem examination. The remaining birds in each group were observed after challenge till 42-days post-vaccination.
Authors and Affiliations
A. S. Hussien; H. M. Madbouly Department of Virology, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef Egypt
Keywords
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