Im experimenting on him to see the effects it will have, so maintenance. I've heard alot of benefits to it so I figured I would check it out on him to see for myself. And of course IM, wouldn't have it any other way.
300-800 would work per week. depending on the size of the rat
but also keep in mind that the rat doesn't necessarily need weekly injections just cause the half life is a week. you can get away with every 2 weeks for maintenance. or even once a month.