These must be animals with recent onset of the problem. Submissions obtained from live animals include culture swabs, body fluids, fecal specimens, and tissue biopsies. Proper collection of most requires the services of a veterinarian. Improper collection, particularly for bacterial cultures, may result in contamination of the specimen and erroneous results. The basics of site preparation and sterile technique utilizing sterile swabs or containers are essential.
Blood tests require different collection tubes for different tests.
The diagnostic laboratory will often provide these when indicated. It goes without saying that the specimen should come from the affected animal but this can be difficult to determine in a herd situation. The animal may have to be isolated to ensure specimen integrity. Actually witnessing the specimen being deposited by the animal is a viable alternative. Biopsy specimens require surgical excision of tissue under local or general anesthesia.