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Dosage and administration
To ensure administration of the correct dose, bodyweight should be determined as accurately as possible; accuracy of the dosing device must be checked.
Sheep
Give as an oral drench at the rate of 5 mg fenbendazole per kg bodyweight (1 ml per 5 kg bodyweight).
Bodyweight
Dose
Up to 15 kg
 3 ml
16–25 kg
 5 ml
26–35 kg
 7 ml
36–50 kg
10 ml
51–65 kg
13 ml
66–75 kg
15 ml
Over 75 kg give 2 ml per 10 kg.
Cattle
Give as an oral drench at the rate of 7.5 mg fenbendazole per kg bodyweight (3 ml per 10 kg bodyweight).
Bodyweight
Dose
 50 kg
 15 ml
100 kg
 30 ml
150 kg
 45 ml
200 kg
 60 ml
250 kg
 75 ml
300 kg
 90 ml
350 kg
105 ml
Over 350 kg give 15 ml per 50 kg.