Hi,
If you want to transport a pet from the UK to NZ, you should have a look at various sites, well in advance.
It's quite complicated, and expensive.
I've got a list of the sites you should check out here:
http://www.angelfire.com/hi5/neuraln...landlinks.html
Click on 'Pets'.
We too have a border collie. Getting deaf and slow.
Steve