References

Alexander, D.J., 1997. Newcastle Disease and other Avian Paramyxoviridae Infections. In: Diseases of Poultry, Calnek, B.W., H.J. Barnes, C.W. Beard, I.R. McDougnald and Y.M. Saif (Eds.). Iowa State University Press, Ames, Iowa, USA., pp: 541-547.

Alexander, D.J., 2000. Newcastle disease and other avian paramyxoviruses. Rev. Sci. Tech., 19: 443-462.
CrossRef  |  PubMed  |  Direct Link  |  

Alexander, D.J., 2001. Newcastle disease. Br. Poult. Sci., 42: 5-22.
CrossRef  |  Direct Link  |  

Echeonwu, G.O., C.U. Iroegbu and A.C. Emeruwa, 1993. Recovery of velogenic Newcastle disease virus from dead and health free roaming birds in Nigeria. Avian Pathol., 22: 383-387.
CrossRef  |  PubMed  |  

Kouwenhoven, B., 1993. Newcastle Disease. In: Virus Infections of Vertebrates 4: Virus infection of Birds, Mcferran, J.B. and M.S. Mcnutts (Eds.). Elsevier, Amsterdam, pp: 341-361.

Okoye, J.O.A., A.O. Agu, C.N. Chineme and G.O.N. Echeonwu, 2000. Pathological characterization in chickens of a velogenic Newcastle disease virus isolated from guinea fowl. Rev. Elevage Med. Vet. Pays. Trop., 53: 325-330.
Direct Link  |  

Okwor, E.C., J.O.A. Okoye, and G.O. Echeonwu, 2005. Rapid detection of Newcastle disease virus in tissue extracts of infected chicken by haemagglutination method. Proceedings of the 30th Annual Conference of Nigerian Society for Animal Production, March 20-24, Nsukka, Nigeria, pp: 102-104.

Olav, S., O.S. Deleeuw, G.L. Hantog, N. Ravenshost and B.P. Peeters, 2005. Virulence of Newcastle disease virus is determined by the cleavage site of the fusion protein and by both the stem region and globular head of the haemagglutinin-neuraminidase protein. J. Gen. Virol., 86: 1759-1769.
CrossRef  |  Direct Link  |  

Thayer, S.G. and C.W. Beard, 1998. Serologic Procedures. In: A Laboratory Manual For the Isolation and Identification of Avian Pathogens. Swayne, D.E., J.R. Gilsson, M.W. Jackwood, J.E. Pearson and W.M. Reed (Eds.). 4th Edn., American Association of Avian Pathologists, Pennsylvania, ISBN: 0-915538-07-5, pp: 255-266.