This applicator for TSU (Tissue Sampling Units) from Allflex Australia is a fast way to obtain accurate samples in seconds. Well done to Allflex for identifying the issues in the market and providing a fast, accurate, uncontaminated method of collecting samples. Samples include ear samples (replacing hair), blood, semen or other samples types used for DNA testing. Pestivirus and other serological tests can also be performed. Pretty sure you can sample yourself however theses units are being used on cattle, sheep, pigs, deer, alpacas, goats, camels, fish and many other species.