A recent experiment in the Journal of Dairy Science by Jud Heinrich’s group at Pennsylvania State University lends support to Jaylor’s recommendations for the optimal particle size distribution of total mixed rations (TMRs) for dairy cattle.

Vertical TMR mixers primarily utilize gravity to mix ingredients by gathering them into the base of the auger, elevating them to the top of the mass in the tub, and then causing them to mix as they tumble outward and down between the auger and the walls of the tub, and subsequently return back to [...]