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"Every form is a base for colour, every colour is the attribute of a form."
Victor Vasarely, Hungarian Artist, 1906-1997
CDA - Color Dilution Alopecia
BDS - Blue Dog Syndrome
(Also known as Paper/Naked Ear Mudis)

In the University of Bern, Switzerland, a research group lead by Prof. Dr. Tosso Leeb, is trying to find out a genetic cause for a hair loss condition generally referred to as Blue Dog Syndrome (BDS) or Color Dilution Alopecia (CDA). Ash/gray (hamvas) Mudis are also able to take part in this research study.

This research group needs a minimum of 40 DNA samples from ash/gray Mudis to locate the gene or genes responsible for the BDS in the Mudi breed. Half of the samples (20) should be from normal coated ash/gray Mudis and half of them (20) from ash/gray Mudis who have visible hair loss. After the gene has been found, the research group can create a DNA gene test for identifying the Mudis who carry the BDS gene.  Ash/gray is a recessive color and any Mudi can carry the ash/gray gene and produce ash/gray puppies. A DNA test could offer a solution for reducing the number of affected puppies being born.

All ash/gray Mudis are needed to take part in the research. They should be at least 2 years old, or of any age if the dog is already losing hair from its ears. The group needs a blood sample from the dog to collect the DNA for the research. The instructions for the DNA sample collecting and the questionnaire can be found on the website of the research group (given below). Along with the blood sample, the dog’s owner should fill out an application to describe the dog’s coat and skin condition. The research group also wishes to receive a copy of the dog’s pedigree and photos of the areas where the hair loss is visible. If the dog has a normal coat, photos are not necessary. The pedigree and photos can be sent via e-mail.

Contact information:

Prof. Dr. Tosso Leeb
Institute of Genetics
University of Berne
Bremgartenstr. 109 a, P.O. Box
3001 Berne
Switzerland
Email: Tosso.Leeb@itz.unibe.ch