Infectious Bronchitis Virus Ibv
Mostrando 1-12 de 54 artigos, teses e dissertações.
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1. Construction and characterization of a recombinant vaccine encoding the nucleocapsid protein gene of avian infectious bronchitis virus
RESUMO A vacinação é a forma mais utilizada para prevenir a bronquite infecciosa causada pelo vírus da bronquite infecciosa das galinhas (IBV). Contudo, as vacinas convencionais são incapazes de diferenciar aves infectadas de vacinadas. No presente trabalho foi construído, caracterizado, e avaliado como candidato vacinal, um adenovírus recombinante ex
Arq. Bras. Med. Vet. Zootec.. Publicado em: 10/10/2019
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2. Eggshell apex abnormalities in a free-range hen farm with mycoplasma synoviae and infectious bronchitis virus in Rio de Janeiro state, Brazil
A farm with 3,000 free-range hens between 24 and 65 weeks of age was investigated. These hens were separated in small flocks of 400 to 700 birds, presenting 10 to 23% egg production reduction. Twenty serum samples were collected during the period of drop in egg production and three weeks later for the investigation of Mycoplasma synoviae (MS), M. galliseptic
Rev. Bras. Cienc. Avic.. Publicado em: 2014-06
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3. A ÁGUA DE COCO EM PÓ (ACP) COMO DILUENTE BASE PARA VACINAS VIVAS AVIÁRIAS / WATER COCONUT POWDER (ACP) THINNER AS BASIS FOR VACCINE LIVE AVIAN
Diversas são as enfermidades virais que causam prejuízos econômicos e zootécnicos para a indústria avícola, entre elas destacam-se a bronquite infecciosa das galinhas (BI) e a doença de Newcastle (DN). Estas têm como uma das formas de controle as vacinações, que requerem critérios cada vez mais aperfeiçoados para a sua elaboração e execução a
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 21/02/2011
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4. Infectious bronchitis in Brazilian chickens: current data and observations of field service personnel
The infectious bronchitis virus (IBV) was detected for the first time in Brazil by Hipólito in 1957 in chickens sold life in the municipal market of Belo Horizonte, MG, when commercial poultry production was just starting in that country. The Massachusetts (Mass) serotype was identified. However, the clinical disease was only observed in 1975, when poultry
Revista Brasileira de Ciência Avícola. Publicado em: 2010-09
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5. Avian infectious bronchitis virus in Brazil: a highly complex virus meets a highly susceptible host population
Infectious bronchitis (IB) is a highly aggressive disease for poultry in terms of symptoms and economic losses, and the control of this disease is difficult if flocks are not protected against type-specific challenges by the Avian infectious bronchitis virus (IBV). This article summarizes data presented by the author at the Workshop on Infectious Bronchitis
Revista Brasileira de Ciência Avícola. Publicado em: 2010-06
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6. Diagnosis of infectious bronchitis: an overview of concepts and tools
Infectious bronchitis (IB) casues multi-systemic infection in chickens with signs similar caused by other poultry pathogens and thus a high diagnostic accuracy can only be achieved by s series of laboratory assays. This article reviews in a brief way the traditional virus assays such as embryo innoculation, tracheal rings and virus neutralization assays for
Revista Brasileira de Ciência Avícola. Publicado em: 2010-06
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7. Molecular epidemiology and evolution of avian infectious bronchitis virus
Mutation and recombination processes are involved in the genetic and phenotypic variations of RNA viruses, leading to the emergence of new variant strains, and give rise to virus population diversity to be modeled by the host, particularly by the immune system, as occurred with infectious bronchitis virus (IBV) in chickens. The consequence is a continuous em
Revista Brasileira de Ciência Avícola. Publicado em: 2010-06
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8. Infectious bronchitis virus: dominance of ArkDPI-type strains in the United States broiler industry during the last decade
In the United States, more than 90% of chicken meat is produced in the southeastern states, and most egg production resides in the eastern half of the country and Texas. Several molecular epidemiological studies have indicated that most infectious bronchitis (IB) virus (IBV) isolates obtained from outbreaks of respiratory disease in these regions correspond
Revista Brasileira de Ciência Avícola. Publicado em: 2010-06
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9. Europe: history, current situation and control measures for infectious bronchitis
The emergence and nature of different strains of infectious bronchitis virus (IBV) in Europe are described. Infectious bronchitis (IB) is the most important endemic viral respiratory disease where highly pathogenic Newcastle disease and avian influenza are not present. IB was first described in the UK in 1948 and identified as Massachusetts type. In the 1970
Revista Brasileira de Ciência Avícola. Publicado em: 2010-06
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10. Etiology and immunology of infectious bronchitis virus
Infectious bronchitis virus (IBV) of chickens is currently one of the main diseases associated with respiratory syndrome in domestic poultry, as well as with losses related to egg production. The etiological agent is a coronavirus, which presents structural differences in the field, mainly in the S1 spike protein. The immune response against this virus is co
Revista Brasileira de Ciência Avícola. Publicado em: 2010-06
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11. Molecular studies of the Brazilian infectious bronchitis virus isolates
Avian infectious bronchitis virus (IBV) isolates have been widely characterized by reverse transcription followed by polymerase chain reaction and DNA sequencing. In present study, these techniques were applied to three viral genomic regions comprising the complete and/or a partial S1 segment, S2 and nucleocapsid genes. DNA sequences from viral isolates obta
Revista Brasileira de Ciência Avícola. Publicado em: 2010-06
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12. Vírus da bronquite infecciosa das galinhas (IBV): distribuição, diversidade molecular e genealogia a partir de amostras de múltiplos órgãos de diversos tipos de criação do plantel avícola brasileiro / Avian infectious bronchitis virus (IBV): distribution, molecular diversity and genealogy of multiple organs strains of different types of birds from Brazilian poultry
A bronquite infecciosa das galinhas (BIG) é uma doença altamente contagiosa causada por múltiplos genotipos/sorotipos do vírus da bronquite infecciosa das galinhas (IBV), um coronavirus do grupo 3. Embora classicamente associado ao trato respiratório, alguns tipos de IBV têm sido descritos com tropismo pelos rins e pelos tratos reprodutivos e entérico
Publicado em: 2010