Equine-Reproduction.com LLC (UK)

Spermiostasis, also known as blocked or “plugged” ampullae is a condition that occurs in approximately 1 in 20 sexually rested stallion.

Mention ‘frozen semen’ to a lot of people, and you will see them pull a face.  Not a good face either.  They will probably look at you wide-eyed, with a startled and worried expression and say “Why on Earth would you want to use frozen semen?”  Well, why would you?

What is the industry standard for motility of frozen semen?

With a huge range of supplements claiming to enhance stallion fertility, choosing the right one to help your stallion might seem like a bit of a minefield. However, a look through the scientific literature reveals some rather interesting facts.