Ripper the tan-and-black kelpie is the very model of man's best friend.
The two-year-old is "a freak" when it comes to working sheep, an agile and clever pup who gets the herd moving like a dog beyond his years, owner Daniel Pumpa said.
"I'd be absolutely stuffed without him," Mr Pumpa told AAP.
The bond between the farmer and his four-legged offsider runs much deeper than their work on a prope...
