Now is just about the right time from what I have heard - We did one at three months, and he doesn't have any bigger 'hole' than one we had done at two weeks, and it is certainly far less painful the younger you do them. For example, the ones we did at a day or two old didn't cry at all , whereas the one we did at three months wailed awfully. He had started to spray himself, and was jumping on all the doe kids all the time, but has now settled down really well. (he is more than a year old now) Your buck kid will probably start to slow down his behavior dramatically within a few days, and then mostly stop - he may try every few days though if he is a very 'buckish' kid. We trained that out of our wether that was done late, and he almost always behaves now. The earlier they are done, the quicker they settle down, and the earlier they lose most of their buckish traits. You can't have a fully un-buckish wether though unless he is done before he has started spraying or even mounting anyone else - for some buck kids, this is day one or two, while for others, is can be up to a month or more old. There seems to be a lot of worry on here about UC, so maybe in the U.S. there is more worry than here.
Have a listen to everyone else before you decide that it would be better to do them at a few days old like we do.
Cazz
