This page 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.
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 appropriate 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.) 

CEA/CH (Collie Eye Anomaly / Choroidal Hypoplasia)

TNS (Trapped Neutrophil Syndrome)

CL (NCL – Neuronal Ceroid Lipofuscinosis)


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