Weight estimation and hormone concentrations related to body condition in Icelandic and Warmblood horses: a field study

Table 3 Results from the statistical analysis^d of the different formulas used to estimate body weight (BW) of Icelandic and Warmblood horses

References	Measurements^c	Breed	RMSPE, kg	RSR	MB, %	SB, %	CCC	Mean ± SD, kg^e
Marcenac and Aublet [10]	G2	Icelandic	25.4	0.87	32.4	19.5	0.71	14.4 ± 21.1
Marcenac and Aublet [10]	G2	Warmblood	37.2	0.71	4.6	17.1	0.76	8.1 ± 36.9
Staun [11]	G2	Icelandic	37.7	1.29	70.4	7.8	0.52	− 31.8 ± 20.7
Staun [11]	G2	Warmblood	38.7	0.74	30.6	1.1	0.67	21.2 ± 32.7
Willoughby^a [12]	G2	Icelandic	20.5	0.70	0.6	35.0	0.80	1.7 ± 28.9
Willoughby^a [12]	G2	Warmblood	42.0	0.80	23.9	19.8	0.74	− 20.6 ± 37.1
Ensminger [13]	G1 + L1	Icelandic	65.6	2.25	89.9	5.0	0.32	62.2 ± 21.2
Ensminger [13]	G1 + L1	Warmblood	101.0	1.92	89.5	2.0	0.33	95.6 ± 33.1
Jansson [14]	G2 + L2	Icelandic	29.1	1.00	46.7	20.0	0.67	− 19.9 ± 21.6
Jansson [14]	G2 + L2	Warmblood	51.3	0.98	61.0	7.4	0.65	− 40.2 ± 32.4
Carroll and Huntington^b [7]	G2 + L1	Icelandic	21.1	0.72	20.1	21.5	0.78	9.4 ± 19.1
Carroll and Huntington^b [7]	G2 + L1	Warmblood	36.2	0.69	32.7	6.1	0.78	20.7 ± 30.1
Jones et al. [15]	U + L1	Icelandic	31.8	1.09	44.6	28.2	0.66	21.2 ± 23.9
Jones et al. [15]	U + L1	Warmblood	84.0	1.60	85.4	1.6	0.39	77.7 ± 32.5
Martin-Rosset [16]	H + G2	Icelandic	18.9	0.65	11.5	1.1	0.76	− 6.4 ± 18.1
Martin-Rosset [16]	H + G2	Warmblood	61.7	1.17	77.3	1.2	0.46	54.2 ± 29.7
Martinson [17] Catalano [18]	H + NC + G1 + L1	Icelandic	19.6	0.67	53.9	2.7	0.80	14.4 ± 13.5
Martinson [17] Catalano [18]	H + NC + G1 + L1	Warmblood	32.0	0.61	28.9	0.1	0.79	− 17.2 ± 27.3

^aIn the original reference units are in inches (in) and pounds (lb).
^bIf BCS < 2.5 out of 5 use Y derivative 12,265, if BCS ≥ 3 out of 5 then use Y derivative 11,706
^cMeasurements are illustrated in Fig. 1
^dRoot mean square prediction error (RMSPE), RMSPE to standard deviation of the measured BW ratio (RSR), mean bias (MB) and slope bias (SB) deviations, concordance correlation coefficient (CCC), standard deviation (SD)
^eResults from the Bland–Altman analysis [22]

ISSN: 1751-0147