DOSE: Calves <136 kg b.w.: Feed continuously during periods of early growth. In the feed: 250 g/tonne [0.0055% (55 mg/kg)] of complete feed. Milk replacer: 0.0055% (55 mg/kg).
DOSE: 0.22 mg/kg b.w./day or 70 mg/head/day in complete feed. To get this, add 320 g/tonne and feed at 1 kg/head/day. Feed continuously during disease exposure.