Parvovirus infection in pigs

Parvovirus infection in pigs
Peer reviewed

Abstract

In recent times pig farmers have become aware through their own industry sources that parvovirus is a widespread infection in N.Z. pig herds. Consequently, at last year`s Pig Production Course held at Massey University, two papers were devoted to the subject. The farmers` interest was obvious from the extensive discussion period that followed. Unfortunately there still appears some uncertainty amongst pig farmers over how to exercise a herd control programme through vaccination. I have recently written a letter in the Pork Industry newsletter in an attempt to get the facts right. I will summarize the same information below so that practitioners will also be aware of this advice: The vaccine contains inactivated virus particles and consequently it is not possible to irreversibly contaminate a farm from use of the vaccine.; In herds of uncertain immune status, gilts should preferably be vaccinated twice before breeding, once at time of selection and again two to three weeks before mating.; All sows should be re-vaccinated at a convenient time between weaning and mating. This will ensure a high immunity over the first half of pregnancy when foetuses are most susceptible to parvovirus.; Blood testing will confirm the presence or otherwise of parvovirus in a herd, and is…

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