Why Cockroaches Are a Problem.

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April 30, 2020

Irina K. | Adobe Stock

Whether talking about the cockroach’s ability to contaminate food, rapidly reproduce, spread disease, disturb customers, or cause inspection/audit citation, this small pest is of definite concern to food facility managers and executives. It is interesting to note, however, that potential cockroach problems appear to be of less concern in 2020 than they were in 2019 (Figure 7, page 5), but the majority of respondents (who could select more than one concern) still expressed unease about the presence of cockroaches in food plants. And that concern is warranted:

  • Contamination. Cockroaches will walk across and eat garbage as well as finished foods — and can carry and expel bacteria as they defecate and salivate on food, food-contact services, and packaging.
  • Reproduction. In ideal conditions, a single gravid female cockroach and her offspring can produce thousands of cockroaches in one year — and significantly more year over year thereafter.
  • Citation. A single cockroach sighted in a food area by a regulatory inspector or third-party auditor can result in a failure, particularly with the Food Safety Modernization Act (FSMA) requiring that pest control be included as a preventive control, and be documented in the written Food Safety Plan. (See Figure 8 for changes respondents made due to FSMA requirements.)
  • Customer. A consumer or a downstream customer finding a cockroach in your product can significantly damage your brand reputation — especially in today’s world of social media where an incident and photo can be shared with thousands instantly.
  • Disease. In addition to the foodborne-disease bacteria that cockroaches can transmit in their feces and saliva, they can carry these pathogens — Salmonella, Listeria, and Campylobacter — on their bodies contaminating surfaces by simply walking on them. ?