Evaluation of carcass quality, body and pulmonary lesions detected at the abattoir in heavy pigs subjected or not to tail docking

Amatucci, Laura; Luise, Diana; Luppi, Andrea; Virdis, Sara; Prosperi, Alice; Cirelli, Agatha; Bosco, Claudia; Trevisi, Paolo

doi:10.1186/s40813-022-00297-4

Table 1 Descriptive analysis of lesions in various parts of the body

From: Evaluation of carcass quality, body and pulmonary lesions detected at the abattoir in heavy pigs subjected or not to tail docking

Item	N batches		Mean		StDev		Minimum		Maximum
Item	Docked	Undocked	Docked	Undocked	Docked	Undocked	Docked	Undocked	Docked	Undocked
Km abattoir	143	28	101.65	110.83	78.44	109.14	15.70	20.30	394.40	322.60
Average hot carcass weight, kg	73	27	141.15	138.69	5.59	6.76	121.01	119.91	150.48	152.31
Average cold carcass weight, kg	143	27	139.21	135.91	6.12	6.62	118.58	117.51	153.35	149.26
Average % lean meat	143	27	52.16	53.36	1.40	1.34	48.08	51.71	54.98	56.98
N animals per batch	143	28	100.72	101.89	21.58	39.62	23.00	17.00	154.00	143.00
Lesions ears 0, %	143	28	89.86	92.43	12.27	6.33	3.17	79.03	100.00	100.00
Lesions ears 1, %	143	28	6.29	5.83	10.06	6.03	0.00	0.00	96.83	19.35
Lesions ears 2, %	143	28	3.84	1.74	4.96	2.33	0.00	0.00	23.64	8.70
LSI ears^1,2	143	28	13.98	9.32	15.75	7.40	0.00	0.00	96.83	22.58
Lesions forequarter 0, %	143	28	80.73	86.35	12.67	10.17	44.00	61.54	98.29	100.00
Lesions forequarter 1, %	143	28	11.13	9.43	7.29	8.32	0.00	0.00	35.00	31.03
Lesions forequarter 2, %	143	28	8.15	4.22	7.77	4.45	0.00	0.00	32.00	15.22
LSI forequarter^1,2	143	28	27.44	17.87	19.73	13.32	2.56	0.00	84.00	46.15
Lesions trunk 0, %	143	28	82.05	83.26	10.75	13.04	41.00	50.77	100.00	98.68
Lesions trunk 1, %	143	28	11.89	11.80	7.51	9.79	0.00	0.00	34.15	36.92
Lesions trunk 2, %	143	28	5.80	4.95	5.69	4.94	0.00	0.00	36.00	18.97
LSI trunk^1,2	143	28	23.49	21.69	15.56	17.12	0.00	2.36	95.00	63.79
Lesions hindquarter 0, %	143	28	92.59	93.00	6.31	6.51	63.00	74.14	100.00	100.00
Lesions hindquarter 1, %	143	28	5.35	5.50	4.87	5.29	0.00	0.00	28.46	20.69
Lesions hindquarter 2, %	143	28	2.05	1.56	2.76	2.08	0.00	0.00	16.67	8.00
LSI hindquarter^1,2	143	28	9.46	8.61	8.42	8.15	0.00	0.00	50.00	31.03
Lesions limbs 0, %	143	28	98.95	98.28	1.79	1.95	89.63	93.10	100.00	100.00
Lesions limbs 1, %	143	28	0.76	1.33	1.63	2.01	0.00	0.00	10.37	6.90
Lesions limbs 2, %	143	28	0.27	0.39	0.66	0.70	0.00	0.00	4.90	2.36
LSI limbs^1,2	143	28	1.31	2.11	2.18	2.13	0.00	0.00	10.37	6.90
Lesions tail 0, %	143	28	70.44	4.96	16.57	14.06	0.00	0.00	99.18	73.08
Lesions tail 1, %	143	28	23.01	27.27	12.72	19.51	0.00	0.00	57.69	81.62
Lesions tail 2, %	143	28	7.08	67.77	11.60	24.14	0.00	0.00	80.00	100.00
LSI tail^1,2	143	28	37.17	162.80	27.14	34.36	0.82	40.00	180.00	200.00

¹LSI: lesion score index
²Values are calculated on a range from 0 to 200 considering the prevalence and severity of lesions, where 0 is absence and 200 all carcasses in the batch show severe lesions

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