Foresight Health® Cyclic Neutropaenia


Our Foresight Health® single test for Cyclic Neutropaenia is ideal for breeders and owners who want the reassurance of genetic health testing.

Our DNA test results are accepted by the Kennel Club.

The guideline turnaround time for single tests is approximately 10-12 working days after the swab arrives at the lab.

If you need more than two tests it is often more cost-effective to order the relevant Foresight Health® breed package.


Cyclic Neutropaenia (CN), also known as Grey Collie Syndrome, creates a variable quantity of neutrophils which are a type of white blood cells. Affected dogs have a grey coat and are vulnerable to severe infections when their neutrophil count is very low. Most affected dogs will die very young due to infections and associated problems.

An autosomal recessive condition caused by a mutation in the AP3B1 gene.


This test is also included in the following Foresight Health® breed packages:


Scientific references:

Benson KF, Person RE, Li FQ, Williams K, Horwitz M. Paradoxical homozygous expression from heterozygotes and heterozygous expression from homozygotes as a consequence of transcriptional infidelity through a polyadenine tract in the AP3B1 gene responsible for canine cyclic neutropenia. Nucleic Acids Res. 2004 Dec 1;32(21):6327-33

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