Get at em Stealthy! Let us know how you get on!
I don't think it will be worth posting numbers wise, but I'll let you know what happens, had the rescue hob on a diet to speed him up, he's starting to look the part now, see what happens.
They need to be trim, some folks think trim is starved, but no, any athelete is never on the fat side.
Watch any ferret come alive when it's not a porker, don't allow it to gorge on a cage full of grub, just enough the day before, and they'll show what they are about!
Be sure to let us know how he goes!