Table 1.

Concentrations of amino acids in whole milk from sows between days 7 and 21 of lactation

Amino acids1	g/L	g/kg DM
Alanine	1.97	10.6
Arginine	1.43	7.69
Asparagine + Aspartate	5.12	27.5
Cysteine	0.72	3.87
Glutamate + Glutamine	9.44	50.8
Glycine	1.12	6.02
Histidine	0.92	4.95
Isoleucine	2.28	12.3
Leucine	4.46	24.0
Lysine	4.08	21.9
Methionine	1.04	5.59
Phenylalanine	2.03	10.9
Proline	5.59	30.1
Serine	2.35	12.6
Threonine	2.29	12.3
Tryptophan	0.66	3.55
Tyrosine	1.94	10.4
Valine	2.54	13.7
Total	50.0	268.8

Adapted from Kim et al. (2004) and Wu et al. (2014).

¹The sum of free plus peptide-bound amino acids.