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

Table 2.

Effect of different levels of multienzymes on growth of broiler chicks fed with standard and low-density diets during days 1–38 of age.

Treatment		Initial body weight, g	Body weight gain (g)/period			Production index
			1–21 days of age	22–38 days of age	1–38 days of age
EFFECT OF DIET
Standard		45.7	621^a	1,406	2,045^a	310
Low density		45.8	580^b	1,346	1,928^b	304
SEM		0.315	9.27	11.3	16.0	5.80
EFFECT OF MULTIENZYMES (%)
0		45.9	563^b	1,266^b	1,844^b	281^b
0.1		45.8	622^a	1,411^a	2,036^a	319^a
0.2		45.5	616^a	1,451^a	2,079^a	321^a
SEM		0.386	27.8	34.0	48.1	7.11
INTERACTION BETWEEN DIET AND MULTIENZYME SUPPLEMENTATION (%)
Standard	0	45.4	614^a	1,300	1,937	288
	0.1	46.3	628^a	1,431	2,071	320
	0.2	45.5	621^a	1,487	2,126	323
Low density	0	46.5	512^b	1,233	1,750	274
	0.1	45.4	616^a	1,391	2,001	318
	0.2	45.6	612^a	1,415	2,031	319
SEM		0.546	32.4	39.7	56.2	10.0
P-VALUE
Diet		0.804	0.004	0.139	0.016	0.426
Multienzymes		0.740	0.001	0.002	0.001	0.001
Interaction		0.209	0.01	0.935	0.554	0.811

^a,b,c

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

SEM, standard error of the mean.