Table 4.

Summary of disease information in the database.

	Dog	Cat	Total
Number of disease tests	111	20	125a
Diseases with a single mutation	87	15	102
Diseases with multiple mutations	24	5	29
Total mutations tested for	143	24	167
Single breed mutations	100	15	115
Mutations affecting multiple breeds	43	9	52
Total breed specific tests tested forb	361c	56d	417
Commercial breed specific tests	306	41	347
Non-profit breed specific test	176	35	211
Breed tests available at only one laboratory	123	13	136
Breed tests available at multiple laboratories	238	43	281
Maximum number of laboratories performing a test	10e	10f
Maximum number of mutations in a single disease	6g	2h
Maximum number of breeds tested for a single mutation	22i	16j
Average number of laboratories testing a single breed specific mutation	3.6	3.0
Median number of laboratories	3	1
Average number of mutations for a specific disease	1.3	1.4
Median number of mutations	1	1
Average number of breeds for a specific mutation	2.3	2.9
Median number of breeds	1	1

^aIncludes six diseases where the mutation has been found in both species and a test is available in both species.

^bTotal of the tests for each specific mutation available in a specific breed (i.e. a specific disease/mutation/breed combination).

^cThere are 121 breed specific tests for dogs available at both commercial and non-profit laboratories.

^dThere are 20 breed specific tests for cats available at both commercial and non-profit laboratories.

^eMultiple instances.

^fBlood type B mutation.

^gFactor IX deficiency (hemophilia B).

^hMultiple instances.

ⁱPrimary lens luxation.

^jProgressive retinal atrophy (Rdac mutation), although Blood type B is offered for all breeds.