“…Moore et al (2004) also found that the use of zinc had the potential to lessen colonization by S. Enteritidis during molt. Aluminum or potassium iodide have also proven to halt egg production (Arrington, Santa Cruz, Harms, & Wilson, 1967;Hussein, Cantor, & Johnson, 1989;McCormick & Cunningham, 1987), but these diets yield inconsistent results, cost more, and may induce birds to peck one another (Webster, 2003;Biggs, Persia, Koelkebeck, & Parsons, 2004). Natural products have also been tested.…”