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:

because the light is a great source of energy for the plants to survive. (i hope this )