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SEASONAL EQUINE WORMING NEWS

Have you thought about treating for Encysted small redworm and Tapeworm?

Get ready to treat….

Any Small Redworm (Cyathostomes) that are picked up from pasture during the autumn have the capability of becoming dormant after they have burrowed into the horses gut wall and form a cyst where they are know as encysted small redworm. This occurs in differing amounts in different horses due to various factors including ambient temperature and the immunity of the individual horse. Once within the gut lining they develop and may emerge on mass in late winter/early spring, normally after a period of increased ambient temperature. They can cause severe weight loss, colic and be potentially fatal (a disease known as Cyathostomiasis). Treat in LATE NOV/EARLY DECEMBER

Tapeworms (Anoplocephala) don’t show any particular seasonality as to when they infect horses, but prolonged grazing causes greater risk. Tapeworms are not picked up on a faecal worm egg count, however there is a blood test that can be taken to test for the presence of tapeworm (however, in general we do not test for tapeworm, and just treat twice a year). Treat for Tapeworm in NOVEMBER/DECEMBER and 6 months later in MAY/JUNE.

We would recommend that ALL horses receive a dose of a drug called Moxidectin; found in both Equest and Equest Pramox at the end of November/early December. Both are suitable for treating encysted redworms, however the Equest Pramox is also suitable for treating Tapeworm.

If your horse is young (under 6 months old), low body condition score, pregnant or lactating, please contact your local branch of Milbourn Equine as these wormers may not be suitable to be used in your horse.

We would also recommend performing a Worm egg count on your horse prior to performing any worming, as if they have a particularly high worm egg count, then they may require pre-treating with steroids to reduce any inflammation that could be caused by mass death of a large number of worms within the gut lumen or the gut lining. This is especially important when using a larvicidal wormer such as Equest or Equest Pramox.

If you have any questions regarding worming, or if you would like to join our worming programme (£30 per horse per year for unlimited worm egg counts, and advice tailored to your specific horse and situation)

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