Trevor Donovan is fed up with “greedy breeders” who are too cheap to test dogs for a disease that leaves the animals’ hind legs paralyzed ... a disease his own German Shepherd is battling.
TMZ caught up with Trevor when the actor was out with his pups, Dogbert and Tito. Dogbert suffers from degenerative myelopathy -- a progressive disease of the spinal cord.
The "90210" alum told us the disease is totally preventable, but he's pissed because too many breeders pass on a simple lab test.
He showed us how it's affecting Dogbert -- he's already dragging his hind legs, but Trevor's hooked him up with special booties.
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