COVID-19 Update (9/17/2020):

  • business hours remain 8am - 5pm Central (our team of ranchers has always worked remotely).
  • You can call, email, or live chat any time. If we are helping other customers, your voicemail or email will be returned within the hour.
  • Allflex current shipping timeframes are 3-4 business days for stock items and up to 13 business days for custom orders.
  • Shipping timeframes are expected to return back to normal (within 2 business days for stock, within 10 business days for custom) by the end of September.
  • "Easy ordering and delivered right to your door"

    Allflex Tissue Sampling


    Efficient & Economical Tissue Sampling

    Collecting genetic material samples is easy the nextGen by Allflex tissue sampling products. Pair your TSU unit with an Electronic ID and/or visual tag to conveniently keep everything linked together.

    Parentage Verification

    Question on tissue sampling? Contact our Animal ID Experts

    TSU Units
    • Sold in Boxes of 10
    • Customizable management codes
    TSU Units
    TSU with Ear Tags
    • Sold in individual quantities
    • Available in matched pair sets with EID and/or visual
    TSU with Ear Tags
    TSU Accessories
    • Sample collectors
    • Organizable storage & shipping trays
    TSU Accessories

    Why buy custom TSU with tags instead of boxed TSU?

    Easy organization for collecting and submitting samples

    Customized matched pair tissue sample sets provide easy organization at the time of use arriving matched for each animal. The Tissue sample and corresponding visual tag and/or EID come paired on a tray together.

    Match with a USDA 840 or commercial EID Tag

    TSUs can also be matched with USDA 840 series EID tags - great for registered stock and show animals.

    Choose your own numbering system

    Choose your own numbering system for your Tissue Samples - send us a spreadsheet of your custom numbers, no confusion on who's sample is who's when getting ready to submit for testing.

    Receive a spreadsheet of your barcodes

    Receive a spreadsheet with your barcode data - with matched pairs it will include the EID and/or Visual tag information. Use this excel file to set up your entry information to your association or testing facility.

    Common Questions

    How do I apply TSU tags and collect samples?

    For more information on applying TSU tags, please refer to the TSU Application Guide.

    How long can I store samples?

    Though samples have a shelf life of several years, it's best to store them in the freezer until ready to ship them to the lab.

    How do I ship my samples to the lab?

    Samples can be shipped to the lab without cold packs.

    Samples can be shipped to the lab without cold packs.

    Unused units can be stored at room temperature for up to 12 months.

    Why use Allflex nextGen?

    • Take samples at any age

      The samples can be taken in animals as young as one-day-old so you can know the results from the lab quickly.

    • Ensure enough genetic material is collected

      With the nextGen sampling, you can see there is enough genomic material to submit - no more counting hair follicles or wondering if you captured enough biological material.

    • Collecting tissue samples is easy

      The nextGen tissue sampling products are easy to use to collect samples yourself, saving you time, money and effort waiting for a professional to help you with the process.


    Contact our Animal ID experts who can help you find the perfect layout or tag for your cattle.

    We tag our cattle with the products we sell.

    The team uses Allflex animal identification products in our own herd. We have the expertise to give you recommendations to help accomplish your animal identification goals.

    Meet our Animal ID Experts Aniaml ID Experts