That seems a long time to me but something similar was suggested so you could be right.6 weeks?
My feeling is that it would be ok in less time but that sort of timescale is probably what you need to be sure.It rings a bell as last time I had a bull chopped it seemed a bloody long time too keep him in. I only waited 2 weeks and kicked him out. Luckily nothing was bulled but FGS don't take it as it only needs be a fortnight