The recall of over 500 million eggs in the U.S. due to salmonella outbreaks should act as a warning to producers worldwide not to drop their guard, said Klaus Torborg of Lohmann Animal Health.

He continued that there were countries that had successfully tackled salmonella, noting that the UK had the lowest levels of salmonella in laying hens of any major egg-producing country.

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In 2004/05, when an EU baseline study was conducted, the prevalence of Salmonella enteriditis and Salmonella tphimurium in UK laying hens was 7.9%. By 2008, the most recent year for which figures are available, this had dropped to 1%.

Torborg added that it was not surprising that the EU had used the UK model for its control program.