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Bulletin No. 18 - Spring 2004
VirologyPMWS-PCV2-PCVD-PDNS
MARCO E
Cas concrets de maîtrise de la maladie en Espagne (Field cases of control of PMWS in Spain).
L'Europe face à la MAP (Europe facing PMWS), Rencontres Internationales de Pathologie Porcine à Loudéac (2004), 67-82
This paper first reviews the control measures that can be applied to reduce the impact of PMWS through herd management (reducing stress, improving hygiene conditions, applying all-in/all-out, etc.), alimentation (adding to feed bioflavonoids, vitamin E, selenium, antioxidants), genetics (some breed, e.g. Pietrain, would be less susceptible to PMWS), therapeutic treatments (serum therapy, aspirin) and herd immune status (understood as improved and stable overall immunity within the herd). Then, a particular emphasis is put on the lesion of myocarditis found in PMWS-affected pigs since this type of lesion is not consistent with PCV2-infection which does not occur early enough to induce such a lesion and since it is not found in experimentally infected pigs. This suggests that some other causal agent may predispose pigs to PCV2 infection.
