. 2023 Feb 28;13(3):664. doi: 10.3390/life13030664

Table 3.

Effect of adding Origanum majorana powder to the pigeon diet on carcass characteristics and immunity organs.

Item	Treatment *			SEM	p-Value
Item	Control	0.5 M	1 M	SEM	p-Value
Dressing %	71.38	69.34	69.14	0.79	0.17
The relative weight of different organs [%]
Gizzard	1.86	1.82	1.88	0.04	0.54
Heart	1.37	1.29	1.29	0.07	0.6
Liver	1.71	1.65	1.52	0.08	0.32
Spleen	0.18 ^c	0.26 ^b	0.36 ^a	0.02	0.01
Bursa of Fabricius	0.35	0.36	0.34	0.02	0.75
Thymus	0.49 ^b	0.68 ^a	0.68 ^a	0.03	0.01

Means within the same row with different superscripts differ significantly (p < 0.05). * Treatment: Pigeons fed a control diet (grower basal diet), pigeons fed a 0.5 M diet (grower basal diet with Origanum majorana powder at the level of 0.5%), and pigeons fed 1 M diet (grower basal diet with Origanum majorana powder at the level of 1%).