VPA 221: Veterinary Entomology and Acarology (1+1)

TREATMENT - HORSE BOT FLIES

Old  Treatment

• Carbon disulphide given in a stomach tube or in a capsule at the rate of 2-5ml/kg Bwt. after an 18 hour fast
• Piperazine, Carbon disulphide complexor this mixture with phenothiazine complex @ 110mg/kg is effective against Gasterophilus larvae

Others include

• Trichlorofon in feed or in water by stomach tube @ 39.6 mg/kg
• Combination of Thiobendazole and Trichlorofon @ 2gm Thiobendazole and 18gm Trichlorofon per 50kg Bwt
• Dichlorovos @ 26-50mg/kg feed or as a paste @ 20mg/kg
• Butonate @ 45mg/kg given by stomach tube