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→Prevention
Ensure a regular worming programme that prevents a build-up of large ascarid burdens in the foal:
Ensure a regular worming programme that prevents a build-up of large ascarid burdens in the foal:
*[[Macrocyclic Lactones|'''Macrocyclic lactones''']] such as '''ivermectin'''. NOT the drug of choice because resistance is widespread.
*[[Macrocyclic Lactones|'''Macrocyclic lactones''']] such as '''ivermectin'''. NOT the drug of choice because resistance is widespread.
**'''Equimax® Oral Paste for Horses:''' (also contains praziquantel) administered PO at 0.2mg/kg ivermectin and 1.5mg/kg praziquantel. Treatment is recommended at least twice a year. Not for foals under 2 weeks of age. Withdrawal period 35 days.
**'''Equimax Oral Paste for Horses:''' (also contains praziquantel) administered PO at 0.2mg/kg ivermectin and 1.5mg/kg praziquantel. Treatment is recommended at least twice a year. Not for foals under 2 weeks of age. Withdrawal period 35 days.
**'''Eqvalan® Paste for Horses:''' 0.2mg/kg PO. Foals should be treated initially at 6 to 8 weeks of age, and routine treatment repeated as appropriate. Meat withdrawal 21 days.
**'''Eqvalan Paste for Horses:''' 0.2mg/kg PO. Foals should be treated initially at 6 to 8 weeks of age, and routine treatment repeated as appropriate. Meat withdrawal 21 days.
*'''Tetrahydropyrimidines''' such '''pyrantel embonate'''.
*'''Tetrahydropyrimidines''' such '''pyrantel embonate'''.
**'''Strongid-P® paste:''' 19mg/kg PO. For foals over 4 weeks of age up to 8 months dose every 4 weeks. For horses over 8 months of age dose every 6 to 8 weeks, but when at grass dose every 4 to 6 weeks. Always dose 3 to 4 days before turning out after in-wintering.
**'''Strongid®-P Paste:''' 19mg/kg PO. For foals over 4 weeks of age up to 8 months dose every 4 weeks. For horses over 8 months of age dose every 6 to 8 weeks, but when at grass dose every 4 to 6 weeks. Always dose 3 to 4 days before turning out after in-wintering.
*'''[[Benzimidazoles]]''' such '''fenbendazole'''
*'''[[Benzimidazoles]]''' such '''fenbendazole'''
**'''Panacur® Equine Oral Paste:''' 10mg/kg PO. It is recommended that horses and ponies are routinely wormed with a single dose of this product every 6 to 8 weeks. It is recommended that horses are administered the 5-day Panacur treatment in the Autumn (ideally late October/November) and again in the Spring (ideally in February) to cover for encysted cyathostomins. All new horses whose worming history is unknown should also be administered the 5-day Panacur treatment. Pregnant mares and young foals may also be safely treated with Panacur at the recommended dosage levels. Not to be used in horses intended for human consumption. In the case of foals that have not been on a controlled programme or if a large burden is suspected it hasbeen suggested that fenbendazole be given at a lower and less efficacious dose of 5mg/kg PO (only 50% efficacy against ''Parasacaris''), followed one week later by a full dose at 10mg/kg PO.
**'''Panacur Equine Oral Paste:''' 10mg/kg PO. It is recommended that horses and ponies are routinely wormed with a single dose of this product every 6 to 8 weeks. It is recommended that horses are administered the 5-day Panacur treatment in the Autumn (ideally late October/November) and again in the Spring (ideally in February) to cover for encysted small redworms. All new horses whose worming history is unknown should also be administered the 5-day Panacur treatment. Pregnant mares and young foals may also be safely treated with Panacur at the recommended dosage levels. Not to be used in horses intended for human consumption. In the case of foals that have not been on a controlled programme or if a large burden is suspected it hasbeen suggested that fenbendazole be given at a lower and less efficacious dose of 5mg/kg PO (only 50% efficacy against ''Parasacaris''), followed one week later by a full dose at 10mg/kg PO.
Care should be taken to avoid the following practices because they increase the risk of development of resistance and could ultimately result in ineffective therapy:
Care should be taken to avoid the following practices because they increase the risk of development of resistance and could ultimately result in ineffective therapy: