Net absorption and liver metabolism of amino acids and heat production of portal-drained viscera and liver in multiparous sows during transition and lactation

Table 5 Net portal recovery of amino acids in sows during late gestation and in early and peak lactation

Item	DIM¹				SEM	P-value
	−10	−3	3	17
Essential AA, %
Lys	70.5	69.8	70.0	63.7	4.8	0.70
Met	48.8	45.7	54.9	45.1	6.6	0.66
Thr	57.4	58.4	48.9	52.6	4.4	0.31
Trp	67.8	67.1	69.8	64.0	4.2	0.79
Ile	66.8	63.6	65.8	61.3	3.8	0.70
Leu	68.3	65.7	66.8	61.6	3.4	0.51
Val	64.1	65.4	62.3	59.0	4.5	0.73
His	62.0	54.6	46.9	54.4	5.4	0.21
Phe	72.1	69.3	67.3	65.3	3.8	0.57
Nonessential AA, %
Ala	207.6	184.7	192.0	191.3	9.9	0.31
Asp	17.7^b	17.6^b	21.3^a	14.6^c	1.1	0.002
Cys	49.6^a	55.1^a	32.6^b	42.6^ab	5.9	0.04
Glu	−4.0^a	−3.3^a	− 3.9^a	−0.3^b	0.7	< 0.001
Gly	137.3	129.2	152.8	129.7	8.7	0.16
Pro	73.6	69.3	66.3	69.0	5.9	0.80
Ser	65.6	62.9	59.4	58.9	4.4	0.61
Tyr	92.2	89.1	85.3	82.5	5.0	0.48

^a–cWithin a row and within a main effect (DIM), means with different letters differ
¹DIM days in milk

ISSN: 2049-1891