Table 1 Sample demographics for ChRO-seq, RT-PCR, IHC, and Masson’s trichrome staining

B775

Std Poodle

9 M

2,896,317

B297NM

Boxer

8 M

11,511,843

y

B297^a

8 M

767,118

B307NM

Pit Bull

10 F

16,262,534

B307

10 F

7,465,452

B675^a

Lab Ret

10 F

1,445,922

B788^a

mixed

unknown F

289,530

B743

GS

10 F

12,893,170

B554

mixed

12 M

14,950,537

y

y

B180

GR

11 F

2,398,038

B280

Lab Cross

11 F

4,095,959

B829

Flat Coated Ret

9 M

15,142,541

C073

Lab Ret

12 M

13,668,541

C085

Bloodhound

12 F

8,272,496

y

C340

mixed breed

9 M

13,105,709

y

C349

Ches Bay ret

13 F

6,443,615

C356

Rhodesian ridge

11 F

12,787,355

y

C369

mixed breed

11 M

17,736,413

C001NM

German Shepherd Dog

11 M

38,197,939

C001

11 M

27,098,934

C034NM

German Shepherd Dog

11 M

39,192,419

C034

11 M

19,416,386

C253

Golden Retriever

11 M

20,874,160

C442

Golden Retriever

10 M

34,231,915

B001NM

Beagle

F2

N/A

y

B004NM

Beagle

F2

N/A

y

y

y

B006NM

Beagle

F2

N/A

y

y

y

B648

Golden Retriever

FS11

N/A

y

y

B172

Boxer

F9

N/A

y

y

B176

Lab Ret

FS13

N/A

y

y

B783

Jack Russell

M14

N/A

y

y

B848

Bulldog

FS12

N/A

y

y