However, for export markets involving airfreight, wax-lined cardboard boxes, with ventilation holes at each end of the box, are commonly used (Figure 10.4). The design of such boxes has to be one approved for use by the airline companies. Of common use in Southeast Asia are boxes designed to hold approximately 14 kg of crabs, packed in two layers. They are clearly marked with “up” arrows to indicate which way up they should be stacked.
• only handled by staff following rigorous and effective washing.
Detailed, site-specific procedures should be documented and regularly checked by supervisory staff.