The genetics of gaits in Icelandic horses goes beyond DMRT3, with RELN and STAU2 identified as two new candidate genes

Table 2 Results from the ANOVA that compared phenotypes in horses with different QTL genotypes in the RELN gene

	ECA4-RR			ECA4-rr			t-value	p-value	df
	N	LSmeans	se	N	LSmeans	se	t-value	p-value	df
Gait traits^a
Tölt	99	8.30	± 0.07	65	8.62	± 0.10	3.39	0.001	356
Slow tölt	97	8.06	± 0.07	64	8.39	± 0.10	3.25	0.001	351
Trot	99	7.95	± 0.07	65	8.34	± 0.10	3.83	< 0.001	356
Pace	99	7.45	± 0.16	65	6.46	± 0.22	− 4.49	< 0.001	356
Gallop	99	7.99	± 0.06	65	8.27	± 0.08	3.33	0.001	356
Canter	97	7.66	± 0.06	64	8.08	± 0.09	4.62	< 0.001	350
Walk	99	7.79	± 0.07	65	7.87	± 0.08	0.75	0.455	356
Morphological traits^b
Height of withers (M1–M2)	90	10.21	± 0.19	63	10.82	± 0.26	2.32	0.021	334
Height at front (M1–M3)	98	4.27	± 0.21	64	4.90	± 0.30	2.06	0.040	353

N number of horses, LSmeans least squares means, se standard error, df degrees of freedom
^aSubjectively assessed traits (judging scale 5–10)
^bMorphological measurements (cm)

ISSN: 1297-9686