. 2021 Sep 17;100(12):101493. doi: 10.1016/j.psj.2021.101493

Table 4.

Relative weights of carcass traits as affected by different level of fumaric acid.

Items	Fumaric acid level (g/kg diet)					SEM	P value
Items	0	5	10	15	20	SEM	P value
Carcass %	77.28	76.28	76.03	79.09	75.52	0.768	0.0952
Liver %	2.18^b	2.67^ab	3.17^a	2.60^ab	2.64^ab	0.159	0.0366
Gizzard %	1.98	2.41	2.44	2.07	2.69	0.178	0.1407
Heart %	0.86	0.81	0.95	1.05	0.73	0.084	0.1800
Giblets %	5.02	5.89	6.56	5.72	6.06	0.296	0.0805
Dressing %	82.30	82.16	82.59	84.8	81.58	0.692	0.0725
Caecal content pH	6.92^a	6.82^a	6.33^bc	6.23^c	6.46^b	0.055	<0.0001

^abc

Means within the same row with different common superscripts differ significantly.