To understand and eventually reduce the risk of salmonellosis from poultry meat, it is necessary to understand the poultry production system, the introduction of the microorganism into the poultry ecosystem (as well as its gastrointestinal tract), the sources of Salmonella during production, and, subsequently, strategies to control or reduce the risk from this microorganism at both the pre-and post-harvest stages. Part 2 of this article series examines pre-harvest controls during grow-out.