Bovine respiratory syncytial virus infection in feedlot cattle cases in Argentina

被引：0
|
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.
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收藏
页码：535 / 542
页数：8
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