Abstract:

Viral load, lung lesions, and average daily gain in a porcine reproductive and respiratory syndrome virus-2 challenge model

Kimberly Ann Vonnahme, PhD; Manuel Alexander Vasquez-Hidalgo, DVM, PhD; Jose Angulo, DVM; Deborah Amodie, MS; Martha A Mellencamp, PhD; Lucina Galina Pantoja, DVM, PhD

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Objective: To determine viremia, percentage lung lesions, average daily gain (ADG), and their associations after a porcine reproductive and respiratory syndrome virus-2 (PRRSV-2) lineage 1 (open reading frame 5 restriction fragment length polymorphism 1-7-4 [ORF5 RFLP 1-7-4]) challenge in pigs vaccinated with either a PRRSV-2 lineage 8 modified live virus (MLV) vaccine, a PRRSV-2 lineage 1 MLV vaccine, or not vaccinated.

Keywords: average daily gain, lung lesions, porcine reproductive and respiratory syndrome virus-2, viremia

RIS citationCite as: Vonnahme KA, Vasquez-Hidalgo MA, Angulo J, Amodie D, Mellencamp MA, Galina Pantoja L. Viral load, lung lesions, and average daily gain in a porcine reproductive and respiratory syndrome virus-2 challenge model. J Swine Health Prod 2022;30(4):230-237.

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