Bella would be considered a long term diabetic, since it's been over a year since diagnosis. That means reductions with TR if she goes under 40, or spends a week in green. If you consider a cat that doesn't hold reductions well, you can also reduce if she goes between 40 and 49 on three separate days.
But she won't earn reductions on this dose. Doses go up and down, the numbers that matter are the blood glucose numbers. Over the almost 5 years of diabetes with Neko, she went up to 8.75 units, down to 0.75 units, back up to 7 units, back down to 0.25 units.