We send our Kunekunes off between 10 and 12 months old, they're normally around 85Kg at that, but if you've got a butcher who works on a £ per kilo for butchery charges you can send them off smaller

We sent one away for a friend (it was early - only approx 6 months old) the deadweight was 30Kg but there was a tremendous amount of meat, more than I expected.
Kunekunes are good at regenerating the ground

When ours arrived here they went onto really rough ground that hadn't been touched for years (over 20) it was patchy, reedy and not the best quality. After the first winter the grass came up beautifully

They rootle about in the bare bits, disturbing the soil and I think this encourages new growth too.
Karen x