On laboratory investigation of a pork sample there is 1 dead trichinella detected in 24 sections. This meat should be:

Answer options

1. Allowed for sale with no restrictions
2. Processed and sold through public catering network
3. Handed over for technical disposal
4. Processed for boiled sausage production
5. Frozen until the temperature of - 10°C is reached in the deep layers, with subsequent exposure to cold for 15 days