Allflex New Zealand Allflex New Zealand

Tissue Sampling Unit (TSU)

Product Details

The Allflex Tissue Sampling Unit (TSU) unit provides a quick and easy DNA sampling method that is reliable, easy to transport, user-friendly and an efficient way for labs to process DNA samples. It is commonly used to collect tissue samples from the ear of cattle, sheep, goats, pigs and a number of other species.

These units take an ear punch which can replace tail hair, blood, semen or other sample types used for DNA, Pestivirus or other serology testing.

For more information or to order please visit your local store or distributor or contact us for details on the store closest to you.

Features and benefits

  • Fast, high performance sample collection method. 
  • Samples can be collected in seconds. 
  • A single-squeeze motion collects a sample with little distress to the animal. 
  • The genetic material is sealed in a specially designed preservative to reduce the risk of contamination following sampling
  • Minimises retesting – tissue samples contain a large quantity of high-quality DNA for genetic analysis, yielding excellent lab results.
  • Sample integrity – the TSU is fully sealed and identified with both a 2D barcode and ID panel.
  • Can be paired to matching NLIS and management tags, creating an absolute sample-to-animal linkage. 
  • Can be purchased in boxes of 10 units or 100. 
  • TSU 96 Well Storage Racks are also available.


Allflex TSUs are applied using an Allflex TSU Applicator. For further instructions please download our instruction brochure or contact us. Check out the 1-minute TSU application video tutorial below.

Product Dimensions


56mm (W) x 25mm (H)

Application Guide

Allflex TSU’s are applied using an Allflex
TSU Applicator