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Wednesday, 23 June 2010


Climate change and equine worming.
Climate changes have had an effect on pasture contamination. Although harsh frosts (and hot dry conditions) will kill infective larvae on the pasture, the milder and wetter climate now experienced in the UK has meant high levels of infective larvae can occur on the pasture at any time of year. Thus there is an increased likelihood of grazing animals acquiring parasite burdens throughout the year. Therefore if the autumn and winter remain mild and wet we will need to be more vigilant all year round. Only harrow in very dry conditions, as in damp conditions harrowing simply spreads worm eggs and larvae over the pasture and so increasing the risk of being ingested by horses.