Table 3.

Effect of parity group on concentrations of amino acids, amines, amides and derivatives in porcine colostrum.¹

Metabolite, mg/L	Group A	Group B	Group C	SEM	P-value
Proteinogenic amino acids
Alanine	3.47	2.93	1.96	0.89	0.484
Arginine	4.45	5.20	4.47	0.56	0.607
Asparagine	0.58	1.32	0.93	0.40	0.435
Cysteine	0.69	0.87	0.99	0.12	0.209
Glutamate	11.2	11.7	11.5	1.52	0.971
Glutamine	3.58	3.56	3.14	0.55	0.828
Glycine	2.60	3.63	1.52	0.71	0.177
Isoleucine	0.95	1.14	0.82	0.17	0.491
Leucine	11.1	10.7	10.5	2.50	0.982
Lysine	2.52	3.63	2.33	0.63	0.348
Methionine	0.49	0.46	0.66	0.18	0.720
Phenylalanine	2.93	2.54	1.92	0.51	0.359
Proline	4.93	4.90	4.37	0.50	0.687
Serine	3.16	3.80	3.02	0.74	0.748
Threonine	1.05	1.29	0.66	0.24	0.238
Tryptophan	0.52	0.60	0.56	0.10	0.868
Tyrosine	2.64	2.41	2.77	0.46	0.869
Valine	3.46b	2.96b	5.63a	0.67	0.031
Non-proteinogenic amino acids
β-Alanine	0.35	0.30	0.49	0.17	0.758
Citrulline	0.57	0.45	0.56	0.23	0.927
Homocysteine	0.061	0.10	0.11	0.015	0.111
Ornithine	0.19	0.21	0.15	0.04	0.624
Taurine	171	152	128	28.4	0.542
Amines, amides and derivatives
α-Aminobutyric acid	0.12	0.22	0.13	0.08	0.636
N-Acetyl-d-glucosamine	4.57	3.12	3.07	0.74	0.264
Asymmetric dimethylarginine	0.024	0.040	0.042	0.008	0.222
5-Aminovaleric acid	0.055	0.060	0.034	0.027	0.800
Betaine	1.73	1.70	1.40	0.57	0.894
Cadaverine	0.070	0.067	0.053	0.006	0.163
Choline	6.93	8.42	8.56	1.15	0.522
Creatine	26.2	22.8	30.1	4.48	0.552
Creatinine (g/L)	658	715	830	93.9	0.433
Dimethylamine	3.66	3.25	4.37	0.64	0.503
Ethanolamine	6.29	6.55	6.32	0.68	0.957
γ-Aminobutyric acid	0.049	0.048	0.047	0.014	0.994
N-2-Hydroxyethyl iminodiacetic acid	0.010	0.005	0.005	0.002	0.178
Ketoisoleucine	0.057	0.045	0.044	0.010	0.515
Methionine-alanine	8.25	7.43	9.26	1.12	0.560
Methylamine	0.31	0.34	0.30	0.07	0.939
1-Methionine-histidine	0.020	0.037	0.045	0.016	0.521
3-Methionine-histidine	0.016	0.027	0.022	0.009	0.722
Methionine sulfoxide	0.053	0.12	0.063	0.039	0.496
t4-Hydroxyproline	0.37	0.32	0.30	0.10	0.887
Phenylacetylglycine	0.17	0.16	0.14	0.07	0.947
Putrescine	0.10	0.13	0.12	0.02	0.555
Pyroglutamic acid	0.56a	0.44ab	0.29c	0.08	0.044
Pyrrolidine	0.078	0.067	0.13	0.030	0.388
Sarcosine	0.48	0.55	0.57	0.18	0.923
Spermidine	0.47b	0.65a	0.53ab	0.05	0.040
Spermine	1.20	1.56	1.24	0.27	0.636

Values are least squares means ± pooled SEM.

^a,b,cMeans without a common superscript differ (P ≤ 0.05).

¹Parity group A = parity 1 and 2 (n = 8); parity group B = parity 3 and 4 (n = 6); parity group C = parity 5 and 6 (n = 6).