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Bulletin No. 19 - Fall 2004
18th IPVS Congress, Hamburg, Germany, 2004Porcine Reproductive and Respiratory Syndrome (PRRS)
KEITA A, PAGOT E, ORVEILLON FX, POMMIER P, JOISEL F, HERIN JB
Field evaluation of mass vaccination against PRRS and parvovirosis in sows as compared to the recommended schedules
Proceedings of the 18th IPVS Congress, Hamburg, Germany, 2004 - Volume 2:638
The administration of the booster injection of two vaccines, namely Progressis® and Parvoruvax® (Merial), is usually recommended at mid gestation and during lactation respectively. The effect of simultaneous administration of the two vaccines was evaluated in three farrow-to-finish French herds which usually vaccinated their animals against PRRS and parvovirosis following the recommended schedule for each vaccine. In each farm, two groups of sows were formed in which sows received the vaccines either simultaneously (group S) or separately (group C). No significant difference was observed between groups regarding reproductive results, rectal temperatures and local reaction after injection and serological responses. The safety and efficacy of simultaneous vaccination with Progressis® and Parvoruvax® was thus clearly demonstrated in this study.
