Infectious laryngotracheitis: a review


Infectious laryngotracheitis: a review
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Revista Brasileira de Ciência Avícola 2003, 5 3
Autor: H Hidalgo
Fuente: http://www.redalyc.org/
Introducción
Revista Brasileira de Ciência Avícola
ISSN: 1516-635X
revista@facta.org.br
Fundação APINCO de Ciência e Tecnologia
Avícolas
Brasil
Hidalgo, H
Infectious Laryngotracheitis: A Review
Revista Brasileira de Ciência Avícola, vol.
5, núm.
3, septiembre-diciembre, 2003, pp.
157-168
Fundação APINCO de Ciência e Tecnologia Avícolas
Campinas, SP, Brasil
Available in: http:--www.redalyc.org-articulo.oa?id=179713981001
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Brazilian Journal of Poultry Science
Revista Brasileira de Ciência Avícola
ISSN 1516-635X
Sep - Dec 2003 - v.5 - n.3 - 157 - 168
Author(s)
Hidalgo H
DVM, MS
College of Veterinary Sciences
University of Chile
Mail Address
Santa Rosa Nº11735
La Pintana, Santiago, Chile.
Casilla 2 Correo 15
La Granja, Santiago, Chile.
E-mail: hhidalgo@uchile.cl
Keywords
Infectious Laryngotracheitis: A Review
ABSTRACT
Infectious laryngotracheitis (ILT) herpesvirus continues to cause
outbreaks of respiratory disease in chickens world-wide.
Sporadic cases
of ILT occur in all classes of birds, including hobby-show-game chickens,
broilers, heavy breeders, and commercial laying hens.
These epornitics
of ILT tend to occur where there are large populations of naïve,
unvaccinated birds, i.e., in concentrated areas of broiler production.
ILT
virus can be transmitted through (a) chickens with acute upper respiratory
tract disease, (b) latently infected “carrier” fowls, and (c) fomites and
contaminated persons.
Chicken flocks which are endemic infected with
ILT virus occur only in some regions of countries or even in particular
multiple-age production farms.
In these cases modified live vaccines are
actually used, even though these biological products, as well as wild
ILTV strains, c...