Issue link: http://life-technologies.uberflip.com/i/339020
5 Life Technologies | Animal Health 5. If there is significant dust, feed particles, or other material in the sample, the fluid should be centrifuged at 2,000 x g for 10 minutes. 6. Label the tube immediately with pen ID and compartment ID using a waterproof marker. Write numbers and letters clearly according to good clinical practice (e.g., 5 not 5 ). Storage Store the sample in a refrigerator until shipment to the laboratory, which should be within 1 day. If this is not possible (e.g., in the case of a longitudinal assessment), freeze it at –20 to –80°C. Shipment Before sending any samples, it is worthwhile to contact the laboratory to check they have validated tests for oral fluids available. Tests which have been established for serum or tissue cannot be used for oral fluids without further validation and adjustment where required. Material from diseased animals is usually classified as "Biological substance, category B" according to UN regulations (UN 3373). It must be shipped in compliance with national regulations and, at least for international shipment, in compliance with "Packing Instruction 650" specified by the International Air Transport Association (IATA). National regulations and IATA instructions may change over time. If you have doubts about the actual regulations, please ask your courier or the lab. The sample should be accompanied by a case history and examination form, including: • Name of veterinarian • Name of farmer/herd owner • Invoicing information • Species/breed and age of sampled animals • Date samples were taken • Number of samples • Type of samples • Identification/labeling of samples (correlation between numbers on the samples and ear tags on pigs)