Evolution of the seroprevalence of pestivirus and respiratory viral infections in Spanish feedlot lambs

Navarro, T. ; Ortín, A. (Universidad de Zaragoza) ; Cabezón, O. ; De Las Heras, M. (Universidad de Zaragoza) ; Lacasta, D. (Universidad de Zaragoza) ; González, J.M. (Universidad de Zaragoza)

Resumen: The presence of respiratory viruses and pestiviruses in sheep has been widely demon-strated, and their ability to cause injury and predispose to respiratory processes have been proven experimentally. A longitudinal observational study was performed to determine the seroprevalence of bovine parainfluenza virus type 3 (BPIV-3), bovine respiratory syncytial virus (BRSV), bovine herpesvirus type 1 (BHV-1) and pestiviruses in 120 lambs at the beginning and the end of the fattening period. During this time, the animals were clinically monitored, their growth was recorded, and post-mortem examinations were performed in order to identify the presence of pneumonic lesions in the animals. Seroconversion to all viruses tested except BHV-1 was detected at the end of the period. Initially, BPIV-3 antibodies were the most frequently found, while the most common seroconversion through the analysed period occurred to BRSV. Only 10.8% of the lambs showed no detectable levels of antibodies against any of the tested viruses at the end of the survey. In addition, no statistical differences were found in the presentation of respiratory clinical signs, pneumonic lesions nor in the production performance between lambs that seroconverted and those which did not, except in the case of pestiviruses. The seroconversion to pestiviruses was associated with a reduction in the final weight of the lambs.

Idioma: Inglés

DOI: 10.3390/ani11010160

Año: 2021

Publicado en: Animals 11, 1 (2021), 160 [7 pp]
ISSN: 2076-2615

Factor impacto JCR: 3.231 (2021)

Categ. JCR: VETERINARY SCIENCES rank: 16 / 145 = 0.11 (2021) - Q1 - T1
Categ. JCR: AGRICULTURE, DAIRY & ANIMAL SCIENCE rank: 13 / 62 = 0.21 (2021) - Q1 - T1

Factor impacto CITESCORE: 2.7 - Veterinary (Q2) - Agricultural and Biological Sciences (Q2)

Factor impacto SCIMAGO: 0.61 - Veterinary (miscellaneous) (Q1) - Animal Science and Zoology (Q1)

Financiación: info:eu-repo/grantAgreement/ES/DGA/FSE
Financiación: info:eu-repo/grantAgreement/ES/DGA-FSE/Construyendo Aragón 2016–2020-A15-17R
Financiación: info:eu-repo/grantAgreement/ES/MAPA/20140020001835
Financiación: info:eu-repo/grantAgreement/ES/MINECO/AGL2015-67690-R

Tipo y forma: Article (Published version)

Área (Departamento): Área Sanidad Animal (Dpto. Patología Animal)
Área (Departamento): Área Medicina y Cirugía Animal (Dpto. Patología Animal)