Table 2.

Average mass of horses calculated with the aid of formulae.

Formula	Application	Ponies n = 58	Polish Noble Half Breed n = 150	Silesian Breed n = 23	Wielkopolski Breed n = 52	Thoroughbred n = 16
		$\overline{\mathit{x}}\left[\mathit{k}\mathit{g}\right]$ $\pm \mathit{S}\mathit{D}$	$\overline{\mathit{x}}\left[\mathit{k}\mathit{g}\right]$ $\pm \mathit{S}\mathit{D}$	$\overline{\mathit{x}}\left[\mathit{k}\mathit{g}\right]$ $\pm \mathit{S}\mathit{D}$	$\overline{\mathit{x}}\left[\mathit{k}\mathit{g}\right]$ $\pm \mathit{S}\mathit{D}$	$\overline{\mathit{x}}\left[\mathit{k}\mathit{g}\right]$ $\pm \mathit{S}\mathit{D}$
Marcenac and Aublet [13]	adult horses	$322 \pm$ 106	$566 \pm$ 76	$584 \pm$ 112	$566 \pm$ 65	$523 \pm$ 39
Ensminger [14]	adult horses	$264 \pm$ 86	$480 \pm$ 58	$499 \pm$ 96	$487 \pm$ 56	$441 \pm$ 37
Carroll and Huntington [8]	adult horses	$291 \pm$ 98	$529 \pm$ 65	$549 \pm$ 103	$538 \pm$ 81	$489 \pm$ 40
Jones et al. [10]	>2 year, 230 to 707 kg	$313 \pm$ 90	$511 \pm$ 67	$534 \pm$ 91	$499 \pm$ 58	$469 \pm$ 41
Martinson et al. [15]	Arabian type horses	312 $\pm$ 97	558 $\pm$ 57	571 $\pm$ 89	567 $\pm$ 64	514 $\pm$ 34
Martinson et al. [15]	ponies	311 $\pm$ 97	556 $\pm$ 37	569 $\pm$ 89	565 $\pm$ 64	513 $\pm$ 34
Martinson et al. [15]	stock horses	326 $\pm$ 02	583 $\pm$ 60	596 $\pm$ 93	592 $\pm$ 67	537 $\pm$ 35
Measured weight	N/A	306 $\pm$ 99	561 $\pm$ 63	588 $\pm$ 96	567 $\pm$ 60	501 $\pm$ 26