Estimate of heritability and genetic trend of intervertebral disc calcification in Dachshunds in Finland

Table 2 Least-squares (LS) means of the effects in the analysis of variance (ANOVA type III) for the number of calcified discs (NCD) in 1441 Dachshunds

Effect	n	LS mean	Standard error
µ (overall mean)	1441	2.70	0.12
Age at screening (mo)
<24	90	2.15	0.29
24–30	534	2.78	0.14
31–36	344	2.74	0.16
37–42	181	2.86	0.21
43–48	115	3.10	0.25
>48	177	2.59	0.22
Sex
Male	625	2.45	0.13
Female	816	2.95	0.14
Year of screening
<2005	235	2.49	0.19
2005–2007	222	3.03	0.20
2008–2010	392	2.83	0.16
2011–2013	419	3.04	0.16
>2013	173	2.13	0.22
Breed variant
Miniature wirehaired	456	3.21	0.24
Standard wirehaired	124	2.84	0.13
Miniature smooth-haired	229	3.27	0.49
Standard smooth-haired	28	2.74	0.18
Miniature longhaired	313	2.08	0.16
Standard longhaired	291	2.08	0.16

ISSN: 1751-0147