List 2 cons to feeder stocker operations

Stocker programs can involve feeding calves growing rations either in "backgrounding" dry lots or small pastures, or placing them on pastures where they are grazed prior to feedlot placement. ... A cow-calf operator may also choose to add value to weaned calves by pursuing a post-weaning growing strategy

Explanation:

velocity and height

answer; i believe its echoic memory,it is believed to last three to four seconds; good luck