Growth performance, caecal microbiome profile, short-chain fatty acids, and litter characteristics in response to placement on reused litter and combined threonine, arginine and glutamine supplementation to juvenile male broiler chickens

Table 3 Short chain fatty acids in the ceca of 21-day old broilers fed C or TAG diets and placed on either clean or reused litter

Litter	Diet	Total SCFA (mM)	%Acetic acid	%Propionic acid	%Butyric acid	%Lactic acid	%Iso-butyric acid
Clean	C	105.10	72.45	3.98^a	13.34	10.07	0.10^a
Clean	TAG	97.60	71.32	5.67^ab	12.88	9.79	0.32^b
Reused	C	92.20	73.99	6.35^b	10.45	9.08	0.12^a
	TAG	92.40	72.26	3.65^a	11.79	12.14	0.16^a
	SED	8.15	2.06	1.05	1.55	1.80	0.05
Means for main effect of litter
Clean		101.40	71.88	4.83	13.11	9.93	0.21
Reused		92.30	73.13	5.00	11.12	10.61	0.14
	SED	5.77	1.46	0.74	1.09	1.27	0.04
Means for main effect of diet
	C	98.60	73.22	5.16	11.89	9.57	0.11^a
	TAG	95.00	71.79	4.66	12.33	10.97	0.24^b
	SED	5.77	1.46	0.74	1.09	1.27	0.04
P values for main effects and interaction
Litter		0.129	0.404	0.819	0.083	0.597	0.064
Diet		0.536	0.337	0.508	0.690	0.286	0.003
Litter × diet		0.515	0.838	0.008	0.418	0.204	0.025

SCFA Short chain fatty acids; C Control diets; TAG Threonine, arginine and glutamine supplemented diets; SED Standard error of difference; Means within the same column with different superscripts differ at P < 0.05; Simple means represent 8 pens of pooled sampled from 2 birds sampled per pen

ISSN: 2524-4671