Field evaluation of the effects of a porcine circovirus type 2 vaccine on finishing pig growth performance , carcass characteristics , and mortality rate in a herd with a history of porcine circovirus-associated disease

Abstract

Materials and methods: The study treatments (vaccinated for PCV2 or nonvaccinated control and barrow or gilt) were arranged as a 2 × 2 factorial. Pigs (PIC L337 × 1050) were randomly assigned to Vaccinated or Control treatments within gender. In Experiment One, pigs were vaccinated at 9 and 11 weeks of age, and in Experiment Two, pigs were vaccinated at 5… (More)

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