Get the most out of your cattle Order TSUs How to sign up (PDF guide) How to upload samples (PDF guide) How to complete the csv template (PDF guide) Skip to Videos All | Genomics Webinars | Taking DNA Samples | Submitting Samples | RePRO BI - Interpreting Results | Taking DNA Samples, • 19/10/21 How to take a DNA sample using a TSU Find out how easy it can be to use a TSU to take a DNA sample for genomic evaluation.