The initial selection would be to keep and expose cows to rebreeding for spring/drop calving. The second possibility could be to put excess weight on and promote as cull cows later on. Bob Birdell, who farms and has a cow-calf herd near Stanberry, Missouri, explained he tries to contemplate age, https://lost-calf-hat-co24578.theisblog.com/26258350/rumored-buzz-on-lost-calf-brand