General

What assays do you have for Source-Tracking?
We can currently test for human, cow, pig, sheep, poultry, dog, goose, Enterococcus, and E. coli DNA. We are working on others. Please contact us if there a...
Wed, 16 Dec, 2020 at 8:15 AM
How do your methods compare to products that detect Enterococcus, E. coli, and fecal coliforms?
These products add nutrient-indicators to a sample and rely on the presence of certain coliform enzymes in the sample. These enzymes will digest the nutrien...
Fri, 30 Oct, 2020 at 12:07 PM
Is there a difference between what Jonah Ventures can find out and the fecal coliform tests?
Yes. Typical fecal coliform tests look for specific nutrient indicators produced by E. coli and fecal coliforms.  However, these nutrients can also be produ...
Wed, 23 Sep, 2020 at 3:42 PM
Is this method certified by the EPA?
It is not yet certified by the EPA, though this is something we would like to work towards.  The EPA does have methodologies listed for using qPCR to detec...
Fri, 30 Oct, 2020 at 12:33 PM
Are regionally specific libraries used to analyze fecal pollution sources?
For source tracking we rely on sequencing mitochondrial DNA of particular hosts (cattle, swine, dog, etc.). With this method, we can quantify the DNA of the...
Mon, 18 Jul, 2022 at 10:03 AM