I have a Sect C who was diagnosed as a true rig (cryptorchid) four years ago (as a 2 year old). Both testicles were retained. He had the full operation to have both removed at a cost of £1,300.00. However, he has retained some stallion like tendencies and has that "certain presence" - he...
I've found the best thing is to soak them in hot water (usually overnight) and then syringe them. I also mix them in with fast fibre but the little so and so knows its in there!