Advice about Spring Worming
Advice about Spring Worming Spring and rising temperatures sees the development of worm eggs, which were dormant on pastures, into infective larvae. In addition egg output from your horse increases with previously ingested larvae developing into egg producing adults. It is, therefore, now time to start planning your horse's worm control programme for the forthcoming year. |  |
Spring Worming Treatments:
Routine Roundworm Control:
Routinely treat against roundworm. Dosing intervals based on active ingredient, i.e. moxidectin every 13 weeks, ivermectin every 8-10 weeks, pyrantel every 4-8 weeks, fenbendazole every 6-8 weeks or mebendazole every 6 weeks. When planning your routine worm control it is important not to use wormers against which there is known resistance in horses. With resistance in horses to fenbendazole, mebendazole, pyrantel, and ivermectin, based wormers you may want to seek guidance from your vet prior to their use.
| Additional treatments to be added if not covered as part of routine treatment. Dependent on active ingredient used for routine roundworm control. |
Tapeworms:
Treatment for tapeworm is recommended every 6 months4, with a treatment due in the spring. Control of tapeworm traditionally involved a double-dose of a pyrantel-based wormer, however wormers containing praziquantel, which specifically targets tapeworm with a single dose, are now available. Praziquantel-based wormers are typically presented in combination with other active ingredients, e.g. EQUEST PRAMOX containing moxidectin and praziquantel.
Spring Worming Tips:
As horses are now spending more time on pasture this is an optimum time to ‘spring clean' stables. However, in order to help reduce horses' exposure to re-infection, regular cleaning should be carried out throughout the year to remove hardy worm eggs that can survive for many years within stables and to reduce mites, the intermediate host of tapeworms.
Pasture should not be ‘over crowded'/'over stocked'. Ideally fields should contain no more than one or two horses per acre, as horses lower down the pecking order will be forced to graze the rough pasture where worm burdens will be higher.
1. Fisher MA et al. Veterinary Record (1992) 130: 315-318.
2. Coles GC et al. Veterinary Record (1999) 145: 408.
3. Stoneham S et al. Veterinary Record (2006) 158: 572.
4. Proudman CJ et al. Veterinary Record (1995) 137: 45-49.
| This article has been reproduced by kind permission of http://www.wormingyourhorse.info Copyright: Fort Dodge |  |
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Added on: 30/05/08. Views: 652
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