Table 2.

Descriptive analysis of indexes and prevalence of lung lesions and pleuritis

Item	N batches		Mean		StDev		Minimum		Maximum
	Docked	Undocked	Docked	Undocked	Docked	Undocked	Docked	Undocked	Docked	Undocked
Km abattoir	128	19	103.76	122.06	75.76	110.36	16.30	20.30	394.40	314.00
Average hot carcass weight, kg	58	18	141.25	137.27	5.25	7.35	126.04	119.91	150.48	149.79
Average cold carcass weight, kg	128	18	139.36	134.52	6.05	7.21	123.51	117.51	153.35	146.79
Average lean meat, %	128	18	52.06	53.66	1.41	1.49	48.08	51.71	54.98	56.98
N animals per batch	128	19	94.77	95.37	23.78	40.53	23.00	42.00	236.00	223.00
Madec	128	19	0.89	0.90	0.80	0.89	0.00	0.03	4.87	4.06
Lungs lesions, %	128	19	28.00	26.64	15.40	15.10	0.00	2.99	74.56	57.14
Spes	128	19	0.79	0.84	0.43	0.29	0.00	0.38	1.93	1.42
Pleurisy, %	128	19	36.11	40.47	17.75	11.09	0.00	23.53	85.00	58.74
Appi index	128	19	0.66	0.67	0.42	0.29	0.00	0.13	2.15	1.26
Dorso-caudal pleurisy (score > 2), %	128	18	23.28	23.35	14.08	10.35	0.00	5.36	60.00	43.05