The main reason that cockroaches harbor and transmit disease pathogens is that they live with us and will eat just about anything, including food in our trash can. After feeding on contaminated food, disease bacteria can remain in the cockroach digestive system for a month or more. Later, human food or utensils can be contaminated with cockroach faeces. Sighting of cockroaches in your home or business premises can be very distressing. They are associated with filth and are known carriers of infectious diseases including salmonellosis, dysentery, gastroenteritis and typhoid. Their droppings are also linked to trigger eczema and asthma. They are highly resilient and can breed rapidly.

Common species include American (periplaneta americana), brown (periplaneta brunea), oriental (Blatella orientalis) cockroaches and the notorious German (blatella germanica) cockroaches. Food facilities must be free from cockroaches under the Food Hygiene Regulations 2009 of Food Act 1983 or risk hefty penalties. A Do-It-Yourself (DIY) control with aerosol spray may only confer a temporary preventive measure and does not provide lasting control against immigrating cockroaches from carton boxes etc.

All potential breeding and areas will be treated with broad spectrum residual spraying with approved insecticide formulation. Crack and crevices treatment to control German cockroaches with special formulated cockroach baits can be done during business hours since it has no odour, minimal dosage and low toxicity. Other useful cockroach prevention ideas would be meshing the drain holes to further prevent entry of this pest.

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