This website contains results of DNA testing for the
CEA/CH (Collie Eye Anomaly / Choroidal Hypoplasia),
CL (NCL - Neuronal Ceroid Lipofuscinosis),
and TNS (Trapped Neutrophil Syndrome) genes in Border Collies.
The Border Collie Health CEA/CH, CL, and TNS databases are owned and maintained independently from
any club, registry or other political organization. All Border Collie owners and breeders are encouraged
to submit their genetic testing results in order to help eliminate heritable diseases.
If you would like to make a donation to help offset the cost of maintaining this data, it would be welcome and appreciated.
You can make a donation in any amount via PayPal by clicking on the button below.
Checks or money orders may be sent to:
Border Collie Health
c/o Ronni DeLay
2514 Tregaron Avenue
Louisville, KY 40299
These results are individually submitted, or submitted by the lab(s) with written permission from
the dog's owner(s), for publication. If you would like your results included on any
of the databases, please click on the appropiate link(s) and fill out the submission form(s).
(By submitting your information or giving written permission to the lab(s) for publication,
you agree to make the information public and allow it to be published on this website. This information is
being provided for personal use only. Any reproduction, in whole or in part, of the data contained herein
is expressly forbidden without the written permission of the owners of this database.)
This site was last updated March 27, 2016
(If you submitted your results prior to the above date and, after refreshing the page, still do not see them
listed on their respective page, please send an email to )
This website is updated quarterly.
(You may have to refresh the page to show the current information if you've visited here recently.)