Allflex New Zealand Allflex New Zealand

Tissue Sampling Unit (TSU)


A quick DNA sampling method that is user-friendly, reliable, easy to transport and efficient to process.

Product Details

The Allflex Tissue Sampling Unit (TSU) unit provides a quick and easy DNA sampling method that is user-friendly, reliable, easy to transport, and the most efficient way to process DNA samples in a lab. 

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. TSU’s can be used on all livestock types. 


It is commonly used to collect tissue samples from the ear of cattle, sheep, deer and pigs.

FeaturesBenefits
Fast, high performance tissue sample collectionA single-squeeze motion collects a sample with minimum distress to the animal
Minimise retestingTissue samples contain a large quantity of high-quality DNA for genetic analysis, yielding excellent lab results
Can be paired to matching visual and management tags, creating an absolute sample-to-animal linkageDramatically reduces the chance of mistakes by removing the need for manual data entry and additional technology.  Perfect for farmers looking to utilise benefits of DNA, proving parentage and genetic gains
Sample integrity Sealed & positively identified with both a 2D barcode and ID panel
Ease of storage and transportCan be stored in the fridge, no need to freeze
Clean & uncontaminated large samplesThe genetic material is sealed in a specially designed preservative, 4 tests can be taken from one sample

Product Dimensions

TSU-Single-NZ

56mm (W) x 25mm (H)

Application Guide

Allflex TSU’s are applied using an Allflex
TSU Applicator

Meet the team

Zanda-award-finalist-2

Zanda McDonald Award 2022

For many years Allflex/MSD Animal Health have been a long standing supportor and sponsor of the Zanda McDonald Awards. Now in its ninth year, the coveted award recognises future leaders working in agriculture, and provides an impressive prize package centred around tailored mentoring and education. The six talented finalists – three from Australia and three from New Zealand – have been selected for their passion for the industry, strong leadership skills, and the contributions they’re making to the primary sector. One winner will be chosen from each country. The New Zealand finalists are Harriet Bremner, 33, author and health, safety and wellbeing advocate for Rural New Zealand, and farmer at Jericho Station, Southland; Jacques Reinhardt, 34, Station Manager at Castlepoint Station Wairarapa; and Monica Schwass, 31, Future Farming Manager at The NZ Merino Company, based in Christchurch. The Australian finalists are Charles Vaughan, 29, Queensland Operations Coordinator/Group Veterinarian for Australian Cattle Enterprises and Director of Charles Vaughan Veterinary Services Pty Ltd; Mitch Highett, 33, Founder and Managing Director of farm management company Bullseye Agriculture, from Orange NSW; and Sarah Groat, 34, Development Officer for government Agtech programme “Farms of the Future”, for the Department of Primary Industries, who lives on the family farm near Rankin’s Springs NSW. Want to take your career to the next level, then watch this page Zanda McDonald Award | How to Apply and follow them on Facebook for 2024 season. 2023 Winners will be crowned at the inaugural Zanda McDonald Award Impact Summit in Brisbane on Wednesday 15th March 2023.