Pig International - May/June 2017 - 18
18 ❙ PigInternational Performance effects of PCV2 vaccination CIRCOVIRUS DISEASE Study number further vaccination of older pigs may be suggested," Leuwerke said. He advised that if piglets were already suffering from post-weaning multisystemic wasting syndrome (PMWS) when they were due to be vaccinated, producers should go ahead. "In these cases, achieving good immunity will be difficult so a booster should be given once the animals have recovered. It would also be important to put the sow herd under surveillance to assess immune stability. "All incoming replacement gilts should be vaccinated one to two months before entering the herd," continued Leuwerke. "If this is done, then the sows won't need to be vaccinated again." He went on to 1 2 3 4 5 6 7 8 9 10 Average daily gain (ADG) Non- vaccinated Vaccinated Difference 1.74a 1.70a 1.35a 1.52a 1.49a 1.24a 1.45a 1.53a 1.72a 1.59a 1.85b 1.79b 1.40b 1.57b 1.50b 1.34b 1.52b 1.61b 1.77b 1.65b 0.11 0.09 0.05 0.05 0.01 0.1 0.07 0.08 0.05 0.06 Means within a row with different superscripts differ at P<0.05. Source: Holck, T, et al. (2010). Efficacy of Ingelvac CircoFLEX vaccination against PCV2/PCVD: A meta-analysis of 10 studies. Proceedings of the 2010 Allen D. Leman Swine Conference. A meta-analysis of 10 studies showed a significant and consistent improvement in average daily gain (ADG) when piglets were vaccinated at weaning. advise that if there has been a breakdown in this routine, then a one-off mass vaccination of the breeding population should be carried out. NEW EVENT! 1 3 - 1 4 J U N E 2 0 1 7 . K O E L N M E S S E , C O L O G N E , G E R M A N Y FVG Select 2017 is a new event which will be organized by Victam International BV. The event will focus on a series of high quality industry conferences and matchmaking with colleagues and clients in the animal feed processing, grain processing, ingredients & additives, aquafeed, petfood and biomass pelleting industries. The event will be complemented by an industry expo for a select group of companies. A fee of €95 per person (valid for two days) will be charged to each individual attending the event, both exhibitors and visitors, and includes lunch, two coffee and tea breaks a day, the cocktail party and access to our matchmaking service. A separate fee will be charged for each of the conferences. More information can be found on our website. EVENT ORGANIZERS Victam International BV P.O. Box 197, 3860 AD Nijkerk, The Netherlands. T: +31 33 246 4404 F: +31 33 246 4706 E: expo@victam.com www.fvg-select.com
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