Among the new horses possibly joining the Preakness field are Illinois Derby winner Departing, Sunland Derby winner Govenor Charlie, Southwest runner-up Fear the Kitten and Bellarmine.
Sunland said in a news release this week that it has reassessed its operations and controls in the wake of the outbreak and hopes to restart its peanut butter plant.
In a more recent salmonella outbreak linked to peanut butter, involving products sold by various retailers, the Food and Drug Administration used its new authority last November to shut down Sunland Inc.