Latest Articles

Great Crest Newt Edna Testing
10 Great Crested Newt Facts
Published Apr 2019
Ten facts about the Great Crested Newt (GCN; Triturus cristatus)
The GCN Testing Season Website (1)
When is the Great Crested Newt Testing Season?
Published Jun 2024
The Great Crested Newt eDNA Testing Season runs between the 15th April and the 30th June each year. This means water samples must be collected between these dates because that is when there is sufficient Great Crested Newt DNA in the water.
Gcn 2021 Proficiency Blog Preview
Top Marks for Cellmark in 2021
Published Feb 2019
Top Marks for Cellmark in 2021 Great Crested Newt eDNA proficiency test
Gcn Proficiency Removebg
Perfect Score for Cellmark
Published May 2020
Cellmark was pleased to achieve a perfect score in the 2020 proficiency testing scheme.
Natural England Newt Kits
Natural England's Appointed Testing Laboratory
Published Mar 2024
We’re delighted to announce that we have been appointed once again as Natural England’s appointed Great Crested Newt eDNA testing provider.
Preparing For The 2023 GCN Edna Testing Season
Looking forward to the start of the season
Published Jan 2023
While the temperature has been below freezing this week, we have been getting ready for the start of the Great Crested Newt testing season and anticipating another busy year.
Great Crested Newt Testing Locations Cellmark
Easy sample drop off at Abingdon or Chorley
Published Mar 2022
In addition to testing at our Oxfordshire laboratories at Abingdon, new for 2022 we are also GCN testing at our laboratories in Chorley, Lancashire.
First Day Of Winter Preview
First Day Of Winter
Published Dec 2020
A short video to celebrate the first day of winter from Cellmark eDNA.
Covid Secure In 2020 Preview
Staying COVID-19 Secure
Published Jun 2020
In publishing the government’s ‘Staying COVID-19 Secure in 2020’ notice we confirm that we comply with the government’s guidance on managing the risk of COVID-19.
Corona Virus Blog Post Image
Coronavirus Statement
Published Apr 2020
Cellmark continues to closely monitor the impact of COVID-19 and follows all guidance issued to minimise any risk to our employees and the people we work with.
First Day Of Spring
First Day Of Spring
Published Mar 2020
A short video to celebrate the first day of spring from Cellmark eDNA.
Testing Video Blog Preview
Great Crested Newt eDNA Testing Video
Published May 2019
Nicola from Cellmark demonstrates the correct way to collect samples.
Jgreenham Min
Great Crested Newt eDNA testing Q&A
Published May 2019
A brief Q&A with Jaimie Greenham, Development and Technology Manager at Cellmark in Abingdon.