Bovine respiratory syncytial virus infection in feedlot cattle cases in Argentina

被引：1

作者：

Ferella, Alejandra ^{[1
]}

Streitenberger, Nicolas ^{[2
,6
]}

Aguirreburualde, Maria S. Perez ^{[5
]}

Santos, Maria J. Dus ^{[1
]}

Fazzio, Luis E. ^{[3
]}

Quiroga, Maria A. ^{[3
]}

Zanuzzi, Carolina N. ^{[3
]}

Asin, Javier ^{[2
]}

Carvallo, Francisco ^{[4
]}

Mozgovoj, Marina V. ^{[1
]}

Uzal, Francisco A. ^{[2
]}

机构：

[1] Natl Inst Agr Technol, Inst Virol, Castelar, Argentina

[2] Univ Calif Davis, Sch Vet Med, San Bernardino Branch, Calif Anim Hlth & Food Safety Lab Syst, Davis, CA USA

[3] Natl Univ La Plata, Sch Vet Sci, Dept Vet Pathol, La Plata, Argentina

[4] Virginia Maryland Coll Vet Med, Blacksburg, VA USA

[5] Univ Minnesota, Coll Vet Med, St Paul, MN USA

[6] Univ Calif Davis, Calif Anim Hlth & Food Safety Lab, 105 Cent Ave, San Bernardino, CA 92408 USA

来源：

JOURNAL OF VETERINARY DIAGNOSTIC INVESTIGATION | 2023年

关键词：

bovine respiratory disease complex; bovine respiratory syncytial virus; cattle; feedlot; Mannheimia haemolytica; RISK-FACTORS; PCR ASSAYS; SANTA-FE; DISEASE; PATHOGENS; EPIDEMIOLOGY; PATHOLOGY; MORTALITY; PROTEINS;

D O I：

10.1177/10406387231182106

中图分类号：

S85 [动物医学（兽医学）];

学科分类号：

0906 ;

摘要：

Although bovine respiratory syncytial virus (BRSV) infection has been reported in cattle in Argentina, it has not been associated with pneumonia in Argentina. We report here 5 cases of bovine pneumonia associated with BRSV. Autopsies were performed on 35 beef cattle with gross and/or microscopic lesions of pneumonia from 3 commercial feedlots. Lung samples in 5 of 35 animals were BRSV-positive by reverse-transcription nested PCR. The lungs of 2 of these 5 animals were coinfected with Mannheimia haemolytica, and 1 with bovine viral diarrhea virus 1. Microscopically, the lungs of 3 of the 5 BRSV PCR-positive animals had fibrinosuppurative bronchopneumonia, with or without pleuritis; 2 of the 5 had interstitial pneumonia. We conclude that BRSV is part of the bovine respiratory disease complex in Argentina.

引用

页码：535 / 542

页数：8

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