Mountainview, if either of the animals is above 15 I would recommend feeding a good veteran mix alonside the stud cubes. This showed a great increase in fertility with my tortoise and my sheep.
I think the troll thread could have possibly, maybe been started by a strange conversation in a car this evening, where two people wished they could combine their horses best points and end up with a foal that was amazing. The hitch is that the gelding is, well, a gelding. It was debated whether...