iO Fenbender – Oral Broad-Spectrum Worm Drench

iO Fenbender is a ready-to-use, broad-spectrum oral drench for the treatment and control of benzimidazole-sensitive mature and immature roundworms, as well as lungworm in cattle. It also provides effective control of large strongyles, small strongyles, ascarids, and pinworms in horses.

Active Constituent: 100 g/L Fenbendazole

Dosage & Administration

CATTLE

7.5 mg/kg Fenbendazole (equivalent to 3 mL per 40 kg bodyweight).
For cattle over 680 kg, dose at 3 mL per 40 kg bodyweight.

HORSES

10 mg/kg Fenbendazole (equivalent to 5 mL per 50 kg bodyweight).
For treatment of Strongyloides westeri in foals: 50 mg/kg (equivalent to 5 mL per 10 kg bodyweight).
Administration options: nasal tube, drenching gun, or dosage syringe.

Cattle Dosing Guide

Bodyweight (kg)	Dose (mL)	No. of Animals per 1L Pack
Up to 80	6	167
81 – 120	9	133
121 – 160	12	83
161 – 200	15	67
201 – 240	18	55
241 – 280	21	47
281 – 320	24	41
321 – 360	27	37
361 – 400	30	33
401 – 440	33	30
441 – 480	36	27
481 – 520	39	25
521 – 560	42	23
561 – 600	45	22