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. 2015 Nov 17;30(1):63–68. doi: 10.1111/jvim.13663

Figure 2.

Figure 2

Mitral regurgitation murmur intensity (grade 1–6) in dogs examined in the Danish Kennel Club Association (DKCA) myxomatous mitral valve disease (MMVD) breeding scheme in 2002–2003 and 2010–2011. The Y axis indicates the percentage of dogs with different degrees of mitral regurgitation murmur among dogs examined within the time period. Only the most recent examination is included in the figure if dogs had repeated examinations. PB, products of the breeding scheme. Non‐PB, nonproducts of the breeding scheme.