. 2019 Jul 1;127(3):867–879. doi: 10.1111/jam.14344

Table 3.

The faecal concentrations of short‐chain fatty acids (SCFAs) and bioamines in sows at different stages

Items	Days of gestation in sows				Weaning	SEM	P‐values
Items	30	60	90	110	Weaning	SEM	P‐values
SCFAs (mg g⁻¹)
Acetate	5·84 ± 0·50^b	5·39 ± 0·20^b	4·04 ± 0·27^c	2·67 ± 0·44^d	7·19 ± 0·48^a	0·332	<0·001
Propionate	2·50 ± 0·13^b	2·41 ± 0·07^b	2·11 ± 0·13^c	1·33 ± 0·06^d	2·86 ± 0·11^a	0·104	<0·001
Isobutyrate	0·27 ± 0·03^ab	0·35 ± 0·04^a	0·22 ± 0·04^b	0·22 ± 0·02^b	0·33 ± 0·01^a	0·017	0·01
Butyrate	1·71 ± 0·09^a	1·68 ± 0·15^a	1·05 ± 0·12^b	0·70 ± 0·06^b	1·61 ± 0·16^a	0·091	<0·001
Isovalerate	0·58 ± 0·04^a	0·55 ± 0·05^a	0·34 ± 0·04^b	0·58 ± 0·05^a	0·67 ± 0·04^a	0·028	<0·001
Valerate	0·36 ± 0·06^a	0·41 ± 0·04^a	0·14 ± 0·03^b	0·24 ± 0·02^b	0·36 ± 0·01^a	0·025	<0·001
Total BCFA	0·84 ± 0·06^b	0·90 ± 0·07^b	0·55 ± 0·05^c	0·80 ± 0·07^d	1·01 ± 0·06^a	0·038	<0·001
Total straight‐chain fatty acids	10·40 ± 0·69^ab	9·90 ± 0·28^ab	7·33 ± 0·43^c	5·45 ± 0·49^b	12·04 ± 0·70^a	0·489	<0·001
Total SCFA	11·24 ± 0·71^b	10·80 ± 0·34^b	7·88 ± 0·48^c	6·25 ± 0·44^c	13·05 ± 0·71^a	0·473	<0·001
Bioamines (μg g⁻¹)
1,7‐heptyl diamine	0·73 ± 0·06^a	0·81 ± 0·06^a	0·84 ± 0·05^a	0·67 ± 0·06^a	0·87 ± 0·09^a	0·031	0·228
Cadaverine	3·40 ± 0·46^a	1·23 ± 0·21^c	1·54 ± 0·12^bc	2·78 ± 0·23^ab	3·66 ± 0·87^a	0·265	0·002
Phenylethylamine	7·21 ± 0·61^a	3·70 ± 0·58^b	6·80 ± 0·86^a	6·08 ± 0·53^a	5·63 ± 0·75^ab	0·361	0·011
Putrescine	3·17 ± 0·23^b	2·83 ± 0·25^b	2·05 ± 0·29^b	4·45 ± 0·37^a	4·84 ± 0·74^a	0·259	<0·001
Spermidine	7·53 ± 1·03^b	5·05 ± 0·86^b	5·01 ± 0·25^b	14·46 ± 1·46^a	6·20 ± 0·56^b	0·76	<0·001
Spermine	1·25 ± 0·27^a	0·59 ± 0·08^b	0·73 ± 0·04^b	1·46 ± 0·22^a	0·54 ± 0·06^b	0·097	0·001
Tryptamine	2·47 ± 0·50^a	0·22 ± 0·05^c	1·16 ± 0·26^b	0·54 ± 0·19^bc	0·70 ± 0·14^bc	0·185	<0·001
Tyramine	1·13 ± 0·23^b	0·47 ± 0·06^b	0·84 ± 0·25^b	1·08 ± 0·19^b	2·92 ± 0·72^a	0·219	0·001
Total bioamine	26·89 ± 1·72^ab	14·89 ± 1·68^c	18·99 ± 1·07^c	31·52 ± 1·61^a	25·36 ± 2·65^bc	1·33	<0·001

The days 30, 60, 90 and 110 are after artificial fertilization and weaning (day 21) is after parturition. The results are obtained from five independent experiments involving 40 sows. Significant difference is indicated by different letters.