Antibodies against avian viruses in backyard poultry from the Rio Grande do Sul State, Brazil

被引：6

作者：

dos Santos, Helton Fernandes ^{[2
]}

Lovato, Luciane Teresinha ^{[1
]}

Flores, Maristela Lovato ^{[3
]}

Trevisol, Iara Maria ^{[4
]}

Mazzutti, Ketty Cristina ^{[5
]}

Pan, Kleitton Adolfo ^{[5
]}

机构：

[1] Univ Fed Santa Maria, CCS, DMP, BR-97105900 Santa Maria, RS, Brazil

[2] Univ Fed Santa Maria, Programa Posgrad Med Vet, BR-97105900 Santa Maria, RS, Brazil

[3] Univ Fed Santa Maria, LCDPA, CCR, DMVP, BR-97105900 Santa Maria, RS, Brazil

[4] EMBRAPA, CNPSA, Concordia, SC, Brazil

[5] Div Fiscalizacao & Defesa Sanit Anim, Secretaria Agr Pecuaria & Agronegocio, Dept Anim Prod, Porto Alegre, RS, Brazil

来源：

CIENCIA RURAL | 2008年 / 38卷 / 07期

关键词：

IBV; ARV; IBDY epidemiology; occurrence; backyard poultry;

D O I：

10.1590/S0103-84782008000700020

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

The backyard poultry are not included in the biosecurity system applied in commercial flocks in Brazil. To investigate the presence of antibodies to specific viral pathogens in this population, blood samples were collected from 867 non-vaccinated birds, from 60 flocks in 22 counties of the Rio Grande do Sul State, Brazil. The samples were tested to detect antibodies against infectious bronchitis virus (IBV), avian reovirus (ARV) and infectious bursal disease virus (IBDV), through the virus neutralization test. Antibodies to IBV were detected in 65% (564/867), against ARV in 21.6% (187/867), and against IBDV in 80.2% (695/867) of the samples. All the flocks had chickens positive to IBV and IBDV antibodies, and 88.3% of them harbored antibodies to ARV The results show the presence of these viruses in backyard poultry from the central region of the State. It also indicates the need for additional studies aimed to evaluate

引用

页码：1932 / 1937

页数：6

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