A case-control questionnaire survey of risk factors for porcine reproductive and respiratory syndrome (PRRS) seropositivity in Danish swine herds

Sixty-eight case herds seropositive to porcine reproductive and respiratory syndrome (PRRS) were compared to 128 seronegative controls in a double-blinded questionnaire survey. The study indicated no increased risk of PRRS seropositivity for herds using artificial insemination with semen from PRRS s...

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Detalles Bibliográficos
Autores principales: Mousing, J., Permin, A., Mortensen, S., Bøtner, A., Willeberg, P.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Published by Elsevier B.V. 1997
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7117460/
https://www.ncbi.nlm.nih.gov/pubmed/9220629
http://dx.doi.org/10.1016/S0378-1135(96)01321-1

Internet

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7117460/
https://www.ncbi.nlm.nih.gov/pubmed/9220629
http://dx.doi.org/10.1016/S0378-1135(96)01321-1

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