Agriculture Daily Summary
Agriculture Daily Summary: What Happened on October 29, 2026
A refined qPCR test adds a control for sturgeon sexing
Lake Superior State University's research center has tested hundreds of fish samples with the assay, which may also help interpret results when sample quality is uncertain.
Today in brief
A refined qPCR assay identifies sturgeon sex and includes a control that can help researchers judge whether a negative result is reliable.1
A control helps distinguish negative results from inconclusive tests
Sturgeon sex determination has been limited by a lack of male-specific markers.1 Britton Ranson Olson said the control helps distinguish a true negative from an inconclusive test or an inadequate sample.1
Lake Superior State University's Center for Freshwater Research and Education has tested hundreds of sturgeon samples with the assay and continues testing.1 Olson said the assay could also inform pathogen detection when samples are limited or their quality is uncertain.1