Comparison of Porcine circovirus type 2 (PCV2) infection in light and heavy pigs of market age on farms with routine PCV2 vaccination

Kwang Soo Lyoo, Han Soo Joo, Peter R. Davies, Jeong Hee Han

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Commercial vaccines against Porcine circovirus type 2 (PCV2) are widely used on swine farms. Marked body weight variation at marketing age is a problem on conventional pig farms using all-in/all-out barn management. The aim of this study was to investigate whether PCV2 infection could be a factor influencing body weight variation. Seven conventional farms that routinely used PCV2 vaccination were selected, and 60 serum samples from light and heavy pigs at each site were tested for PCV2 antibody titers and viremia. At 3 farms the mean antibody titer, proportion of viremic pigs, and virus load differed significantly between the light and heavy groups. These preliminary results suggest that PCV2 infection may be a factor contributing to weight variation in vaccinated market-age hogs.

Original languageEnglish (US)
Pages (from-to)221-223
Number of pages3
JournalCanadian Journal of Veterinary Research
Volume76
Issue number3
StatePublished - Jul 1 2012

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