Prevalence of BRD-Related Viral Pathogens in the Upper Respiratory Tract of Swiss Veal Calves.

Studer, Eveline; Schönecker, Lutz; Meylan, Mireille; Stucki, Dimitri; Dijkman, Ronald; Holwerda, Melle; Glaus, Anna; Becker, Jens (2021). Prevalence of BRD-Related Viral Pathogens in the Upper Respiratory Tract of Swiss Veal Calves. Animals, 11(7) MDPI 10.3390/ani11071940

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The prevention of bovine respiratory disease is important, as it may lead to impaired welfare, economic losses, and considerable antimicrobial use, which can be associated with antimicrobial resistance. The aim of this study was to describe the prevalence of respiratory viruses and to identify risk factors for their occurrence. A convenience sample of 764 deep nasopharyngeal swab samples from veal calves was screened by PCR for bovine respiratory syncytial virus (BRSV), bovine parainfluenza-3 virus (BPI3V), bovine coronavirus (BCoV), influenza D virus (IDV), and influenza C virus (ICV). The following prevalence rates were observed: BRSV, 2.1%; BPI3V, 3.3%; BCoV, 53.5%; IDV, 4.1%; ICV, 0%. Logistic mixed regression models were built for BCoV to explore associations with calf management and housing. Positive swab samples were more frequent in younger calves than older calves (>100 days; p < 0.001). The probability of detecting BCoV increased with increasing group size in young calves. Findings from this study suggested that young calves should be fattened in small groups to limit the risk of occurrence of BCoV, although an extended spectrum of risk factors for viral associated respiratory disorders such as nutritional aspects should be considered in future studies.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Service Sector > Institute for Infectious Diseases > Research
04 Faculty of Medicine > Service Sector > Institute for Infectious Diseases
05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV)
05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV) > Clinic for Ruminants
05 Veterinary Medicine > Department of Infectious Diseases and Pathobiology (DIP) > Institute of Virology and Immunology
05 Veterinary Medicine > Department of Infectious Diseases and Pathobiology (DIP)
05 Veterinary Medicine > Department of Infectious Diseases and Pathobiology (DIP) > Institute of Veterinary Bacteriology

Graduate School:

Graduate School for Cellular and Biomedical Sciences (GCB)

UniBE Contributor:

Studer, Eveline; Schönecker, Lutz; Meylan, Mireille; Stucki, Dimitri Yves; Dijkman, Ronald; Holwerda, Melle and Becker, Jens Michael

Subjects:

600 Technology > 630 Agriculture
500 Science > 570 Life sciences; biology
600 Technology > 610 Medicine & health
500 Science > 590 Animals (Zoology)

ISSN:

2076-2615

Publisher:

MDPI

Language:

English

Submitter:

Nathalie Viviane Zollinger

Date Deposited:

08 Jul 2021 16:27

Last Modified:

08 Jul 2021 16:34

Publisher DOI:

10.3390/ani11071940

PubMed ID:

34209718

Uncontrolled Keywords:

bovine coronavirus bovine respiratory disease calf fattening prevalence risk factors

BORIS DOI:

10.48350/157416

URI:

https://boris.unibe.ch/id/eprint/157416

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