breeding

Can anyone tell me what “Stb-ext” means in relation to KWPN breeding? I noticed it when looking at the family tree of some horses I have been viewing. Thank you!

Elite Stallions are running an online competition targeting a client who had apparently complained about poor sperm. (Comments criticising the same are deleted)

Afternoon all, the reason I ask this as I was always told it depends on the individual horse. Yet I had my vet out for vaccinations today and we were having a chat and he told he he'd been to see a horse today that was in foal for the first time at 22! I jumped back in shock thinking this was...

Not sure if those of you on here who are into colours/genetics are aware already, but there is now a test for Mushroom dilution in Shetland ponies https://www.vgl.ucdavis.edu/services/horse/MushroomDilution.php And this is the study that found the autosomal recessive mutation responsible...

What does it mean if my horse is pink papered please and what valuation difference does this give my horse? I have the pink papers and her full background of breeding as she is a pedigree. I am currently thinking about selling her and I have no idea how to price her. She is a German sports...

A friend of mine has asked me to pass around a couple questionnaires around - she's doing some research on stallions and any answers would be massively appreciated. If you have ever bred a horse, or own a mare and are considering breeding her - please answer this...