How To Get Started With DNA Testing
Alison Van Eenennaam
University of California, Davis
here are a number of different companies offering DNA tests, and testing is being done to answer a number of different questions. I have sometimes heard producers say they “DNAed” their cattle, but that is little bit like saying I vaccinated my cattle – the important question is “for what”? DNA is present in every cell and so DNA can be extracted from a number of different tissues including blood, semen, hair follicles, and an ear notch. Before going ahead to perform DNA testing there are a number of questions you need to ask as detailed in this fact sheet.