. 2020 Feb 4;6:510. doi: 10.3389/fvets.2019.00510

Table 7.

Effect of different concentrations of enzyme cocktail on immune organs and antibody titer of broiler chicks fed with standard and low-density diet.

Treatment		Spleen		Thymus		Bursa of fabricius		HI (log2)
		Weight (g)	Percentage (%)	Weight (g)	Percentage (%)	Weight (g)	Percentage (%)	NDV	AI
EFFECT OF DIET
Standard		2.19	0.12	7.72	0.46	2.92	0.19	3.22	0.58^b
Low density		2.13	0.13	8.08	0.52	3.14	0.21	3.55	1.62^a
SEM		0.092	0.004	0.201	0.017	0.122	0.008	2.77	0.197
EFFECT OF MULTIENZYME SUPPLEMENTATION (%)
0		1.69^b	0.110^b	6.37^b	0.425^b	2.32^b	0.167^b	1.12^b	0.125^b
0.1		2.52^a	0.147^a	8.42^a	0.503^a	3.26^a	0.208^a	4.12^a	1.81^a
0.2		2.27^a	0.139^a	8.91^a	0.556^a	3.51^a	0.230^a	4.91^a	1.37^a
SEM		0.113	0.005	0.247	0.020	0.349	0.01	0.339	0.241
INTERACTION BETWEEN DIET AND MULTIENZYME SUPPLEMENTATION (%)
Standard	0	1.97^c	0.112	8.19	0.366	2.51^c	0.162	1.16	0.25^c
	0.1	2.34^b	0.135	8.20	0.481	2.91^b, ^c	0.187	3.41	1.12^b
	0.2	2.26^b, ^c	0.136	8.76	0.539	3.35^a, ^b	0.224	5.08	0.37^c
Low density	0	1.40^d	0.108	6.55	0.484	2.14^c	0.171	1.08	0.00^c
	0.1	2.71^a	0.159	8.64	0.524	3.61^a	0.228	4.83	2.50^a
	0.2	2.29^b, ^c	0.142	9.07	0.573	3.61^a	0.237	4.75	2.37^a
SEM		0.160	0.008	0.349	0.029	0.212	0.015	0.480	0.371
P-VALUE
Diet		0.654	0.252	0.207	0.010	0.224	0.094	0.400	0.004
Enzyme		0.001	0.002	0.001	0.002	0.001	0.005	0.001	0.001
Interaction		0.017	0.258	0.982	0.300	0.047	0.513	0.152	0.030

^a,b,c,d

Means within a column with different superscripts are significantly different based on SNK test.

Number of observations were six per interaction cell. SEM, standard error of the mean.