Porcine Health Management

Table 7 Serum AAs and NH₃ [mg/dL] in piglets on weaning depending on farrowing system and weight class (mean ± SD)

From: Immunocrit, serum amino acid concentrations and growth performance in light and heavy piglets depending on sow’s farrowing system

		FC	LH	GH
Light	n	8	8	10
	BW [kg]	6.26^Bab ± 1.14	7.74^Ba ± 1.71	5.31^Bb ± 1.62
	Serum AAs [mg/dL]
	Arginine	3.45 ± 0.81	3.41 ± 0.74	2.75 ± 0.96
	Leucine	2.70^a ± 0.58	2.07^b ± 0.37	2.75^a ± 0.53
	Lysine	3.30^ab ± 0.89	2.72^b ± 0.67	3.48^a ± 0.78
	Methionine	1.24 ± 0.41	1.05 ± 0.37	1.28 ± 0.72
	Proline	8.27^Aa ± 1.14	6.29^b ± 1.38	7.29^ab ± 2.36
	Threonine	3.99^a ± 1.51	2.92^ab ± 1.44	2.63^b ± 1.01
	Tryptophan^*	0.78 ± 0.34	0.93 ± 0.34	0.95 ± 0.26
	Valine	3.14^a ± 0.45	2.19^Bb ± 0.29	3.50^a ± 0.89
	NH₃	8.40 ± 1.35	7.15 ± 1.04	8.00 ± 1.79
Heavy	n	16	14	11
	BW [kg]	9.18^A ± 1.97	9.81^A ± 1.88	8.97^A ± 1.75
	Serum AAs [mg/dL]
	Arginine	3.80^a ± 0.65	3.40^ab ± 0.75	3.11^b ± 0.54
	Leucine	2.75^a ± 0.66	2.35^b ± 0.48	3.03^a ± 0.52
	Lysine	3.49^ab ± 1.06	2.92^b ± 0.71	4.13^a ± 1.19
	Methionine	1.11 ± 0.25	1.12 ± 0.22	1.15 ± 0.40
	Proline	6.87^Ba ± 1.54	6.39^a ± 1.19	8.14^b ± 1.30
	Threonine	3.39^a ± 1.31	3.08^ab ± 0.86	2.36^b ± 0.89
	Tryptophan^**	1.03 ± 0.54	0.84 ± 0.25	0.89 ± 0.33
	Valine	3.19^a ± 0.62	2.68^Ab ± 0.50	3.39^a ± 0.68
	NH₃	7.24 ± 0.99	7.25 ± 0.80	6.47 ± 1.74

FC Farrowing crate, LH Loose housing, GH Group housing, BW Body weight [kg], light (birth weight 24 h p.n.) < 1.4 kg, heavy (birth weight 24 h p.n.) ≥ 1.4 kg
^a,b Values within a row with different superscripts differ significantly at p < 0.05; ^A,B Values within a column with different superscripts differ significantly at p < 0.05
^* FC: n = 3; LH: n = 5; GH: n = 4; ^** FC: n = 8; LH: n = 9; FC: n = 7 (only measurable with these piglets)

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ISSN: 2055-5660

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