US maize with 2.688 ppm of vom­i­toxin with­drawn

Irish Examiner - Farming - - NEWS - Stephen Cado­gan

Or­gan­is­ers of last Sun­day’s Lim­er­ick Show said it was a very suc­cess­ful event, with an es­ti­mated at­ten­dance of about 15,000.

Un­der the chair­man­ship of IFA deputy pres­i­dent, Richard Kennedy, the long es­tab­lished show be­came a one-day event in 2017 for the first time. At­trac­tions such as a showc a s e o f I r e l a n d ’ s n a t i ve breeds, a spot­light on lo­cal food pro­duc­ers, the fes­ti­val of Ir­ish horse breed­ing, free en­try for un­der-12s, as well as the show’s usual fea­tures, en­sured its suc­cess in the new one-day for­mat. Ex­hibitors of the main live­stock and bloodstock cham­pi­ons were as fol­lows.

CAT­TLE

Some maize from the United States has been with­drawn from the mar­ket in Ireland due to con­tam­i­na­tion with de­oxyni­valenol, a my­co­toxin also known as vom­i­toxin.

Like other my­co­tox­ins, it oc­curs in grains such as wheat, bar­ley, oats, rye, and maize due to a fusar­ium fun­gal in­fec­tion of the grow­ing crop, which in turn is strongly as­so­ci­ated with mois­ture at the time of crop flow­er­ing. De­oxyni­valenol has been im­pli­cated in in­ci­dents of my­co­tox­i­coses in both hu­mans and farm an­i­mals. Re­duced feed in­take, with an ac­com- pa­ny­ing de­crease in per­for­mance, is the only symp­tom of vom­i­toxin tox­i­c­ity which live­stock pro­duc­ers usu­ally en­counter. Large amounts of grain with vom­i­toxin would have to be con­sumed to pose a health risk to hu­mans.

The U.S. Food and Drug Ad­min­is­tra­tion has es­tab­lished a level of 1 ppm (parts per mil­lion) re­stric­tion of vom­i­toxin. For live­stock, re­stric­tions are set at 10 ppm for poul­try and ru­mi­nat­ing beef and feed­lot cat­tle older than four months. In­gre­di­ents may not ex­ceed 50% of the an­i­mal’s diet. Dairy cow feed limits are set at 2 ppm. The level of con­tam­i­na­tion found in Ireland early last month in a ship­ment from the US is 2.688 ppm.

Some US maize has been with­drawn from the mar­ket due to nat­u­rally oc­cur­ring my­co­toxin con­tam­i­na­tion.

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