Yes it is ''I'll try to find some info on bicillin. This is the short and long acting pencillin that can be bought in farm stores under refrigeration. It needs to remain refrigerated
this is what I get from farm and fleet and use on my rabbits; it is sold usually for beef cattle.
Their are other brands like Dura pen sold at farm and fleet also. It is best to get the 2 pencillins combined as penicillin G procaine is short aciting and needs to be given daily rather than every other day.