Calves ( n = @ calves/group ) were assigned to receive marbofloxacin SC in the neck at @ of @ dosages ( @ mg/kg , q @ h for @ days -LSB- regimen @ -RSB- ; @ mg/kg , q @ h for @ days -LSB- regimen @ -RSB- ; and @ mg/kg , q @ h for @ days -LSB- regimen @ -RSB- ) .