Then you get species that go post reproductive or go into reproductive senescence, and you can never turn it around so that it’s lost completely then. And it’s happened with primates, it’s happened with hoofstock. It’s a tough, tough situation that we find ourselves in now. And it’s certainly a situation that 30 years ago, nobody would ever have thought about that because we had the wherewithal to deal with the issue of surplus animals, either getting rid of them or getting them in. It’s not the case anymore, Mark.