Glad you enjoyed NEIGHbours: The Horse Soap Opera!
It's very slightly less about horses - but here's 'The Making Of'.
And yes, there's a slightly mean joke but I can ASSURE you no horses were harmed in the making of! In fact, they were very nice horses all the way though.
Ps. I never actually posted Episode 2 - I spotted someone else did, but if you haven't seen it: