The link to the collection just brings me to the Ford merch landing page. I hope they show up eventually. I need new overalls and those ones are way to cute
Luna From the Manage Hay Page: - Grain Supplementation - You may feed Health Blend grain in place of hay. 1 Pound of Grain will cover one feeding.
And since if they don't have a rider they won't be trained and it doesn't stop you from training, you should be able to not feed certain horses so long as they don't have a rider.