Table 3.

Results of immunohistochemical staining for SOD1 aggregates.

Breed	Number Tested	Confirmed DM						Controls
		G/G		G/A		A/A		G/G		G/A		A/A
		Pos	Neg	Pos	Neg	Pos	Neg	Pos	Neg	Pos	Neg	Pos	Neg
Alaskan Husky	1	0	0	1	0	0	0	0	0	0	0	0	0
American Eskimo Dog	1	0	0	0	0	1	0	0	0	0	0	0	0
American Staffordshire Terrier	1	0	0	0	0	0	0	0	0	0	0	1	0
Australian Shepherd	3	0	0	0	0	2	0	0	0	0	1	0	0
Beagle	2	0	0	0	0	0	0	0	2	0	0	0	0
Bernese Mountain Dog	19	1	0	2	0	13	0	0	0	1	0	0	2
Bloodhound	1	0	0	0	0	1	0	0	0	0	0	0	0
Borzoi	1	0	0	0	0	1	0	0	0	0	0	0	0
Boxer	35	0	0	0	0	24	0	0	1	1	5	2	2
Caanan Dog	1	0	0	0	0	0	0	0	0	0	1	0	0
Cardigan Welsh Corgi	1	0	0	0	0	1	0	0	0	0	0	0	0
Cavalier King Charles Spaniel	2	0	0	0	0	1	0	0	0	0	0	1	0
Chesapeake Bay Retriever	6	0	0	2	0	3	0	0	0	0	0	1	0
English Cocker Spaniel	4	0	0	0	0	0	0	0	4	0	0	0	0
English Springer Spaniel	3	0	0	0	0	3	0	0	0	0	0	0	0
German Shepherd Dog	16	0	1	2	0	7	0	0	2	1	2	0	1
Golden Retriever	1	0	0	0	0	1	0	0	0	0	0	0	0
Kerry Blue Terrier	2	0	0	0	0	2	0	0	0	0	0	0	0
mixed breed	6	0	0	0	0	5	0	0	0	0	0	0	1
Pembroke Welsh Corgi	40	0	0	0	0	27	0	0	1	1	6	1	4
Pug	3	0	0	0	0	2	0	0	0	0	0	0	1
Rhodesian Ridgeback	11	0	0	1	0	5	0	0	1	0	3	0	1
Rottweiler	1	0	0	0	0	0	0	0	1	0	0	0	0
Rough Collie	1	0	0	0	0	1	0	0	0	0	0	0	0
Scottish Deerhound	1	0	0	0	0	0	0	0	1	0	0	0	0
Soft Coated Wheaten Terrier	2	0	0	0	0	2	0	0	0	0	0	0	0
Standard Poodle	2	0	0	0	0	1	0	0	1	0	0	0	0
Standard Schnauzer	1	0	0	0	0	0	0	0	1	0	0	0	0
Tibetan Terrier	2	0	0	0	0	0	0	0	0	0	2	0	0
White German Shepherd	1	0	0	0	0	0	0	0	0	0	1	0	0
Wire Fox Terrier	2	0	0	0	0	2	0	0	0	0	0	0	0
Total	173	1	1	8	0	105	0	0	15	4	21	6	12

“Pos” means aggregates containing SOD1 antigen were detected; “Neg” means aggregates containing SOD1 antigen were not detected.