نتایج جستجو برای: newcastle disease virus strain v4
تعداد نتایج: 1992021 فیلتر نتایج به سال:
Background & Aim: The recent study was conducted to investigate the effects of Thyme extract in drinking water on immune response of broiler chickens. Experimental: A total of 245 day-old broiler chicks were purchased and 20 chicks were bled for determination maternal antibody and remaining chicks divided into 5 equal groups. Chickens of group A, B and C received 0.1%, 0.15% and 0.2%...
Background & Aim: The recent study was conducted to investigate the effects of Thyme extract in drinking water on immune response of broiler chickens. Experimental: A total of 245 day-old broiler chicks were purchased and 20 chicks were bled for determination maternal antibody and remaining chicks divided into 5 equal groups. Chickens of group A, B and C received 0.1%, 0.15% and 0.2%...
Background and Aims: NDV (Newcastle Disease Virus) is one of the viruses that cause disease in avian with severe economic losses in the poultry industry in many countries. Fusion protein (F) which plays a major role in the virus pathogenicity contains several regions that have a role in the fusion process. Mutation in the sequence of HR1 & HR2 regions of this protein prevents fusion of the viru...
In 2003, Brazil was recognized as a pathogenic Newcastle Disease Virus (NDV) strain-free country for commercial poultry. This research was conducted in Brazil between December 2003 and March 2005 to verify the maintenance of this virulent NDV-free status. Serum samples from 5,455 flocks for commercial poultry farms were collected, comprising 81,825 broiler chickens. The farms were located in ni...
Title of Document: THE ROLE OF NEWCASTLE DISEASE VIRUS INTERNAL PROTEINS IN PATHOGENESIS Subrat N. Rout, Doctor of Philosophy, 2007 Directed By: Dr. Siba K. Samal Professor and Associate Dean College of Veterinary Medicine The internal proteins, nucleocaspid protein (NP), phosphoprotein (P) and large polymerase protein (L) of Newcastle disease virus (NDV), play an important role in transcriptio...
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