. 2020 Dec 2;7:601336. doi: 10.3389/fvets.2020.601336

Table 2.

Effect of dietary supplementation with graded levels of algae-derived polysaccharides (ADP) on growth performance in broiler chickens.

Items	Dietary ADP levels (mg/kg)						SEM	p-value
	0	1,000	2,500	4,000	5,500	7,000		Linear	Quadratic
Initial BW, g	44.04	45.33	45.10	45.21	44.07	44.27	0.56	0.204	0.308
Final BW, g	1,420.73^a	1,560.42^b	1,491.25^a,b	1,479.50^a,b	1,482.36^a,b	1,500.19^a,b	30.23	0.425	0.008
1–21 DAYS
ADG, g	588.39^a	657.16^b	637.27^b	627.53^b	650.61^b	648.62^b	11.86	0.078	0.003
ADFI, g	1,092.67	1,088.83	1,072.67	1,078.30	1,081.35	1,075.50	10.46	0.174	0.620
FCR	1.861^a	1.660^b	1.685^b	1.722^b	1.666^b	1.659^b	0.035	0.020	0.003
22–35 DAYS
ADG, g	786.65	854.73	810.64	805.69	785.80	802.85	25.81	0.911	0.170
ADFI, g	1,459.83	1,447.17	1,456.02	1,420.66	1,448.67	1,435.32	27.21	0.380	0.681
FCR	1.864	1.702	1.806	1.766	1.851	1.805	0.070	0.548	0.387
1–35 DAYS
ADG, g	1,375.04^a	1,511.89^b	1,447.91^a,b	1,433.21^a,b	1,436.40^a,b	1,451.46^a,b	28.14	0.388	0.012
ADFI, g	2,552.50	2,536.08	2,528.68	2,499.00	2,530.10	2,510.83	24.71	0.141	0.792
FCR	1.862^a	1.679^b	1.750^a,b	1.746^b	1.769^a,b	1.734^b	0.039	0.124	0.031

BW, body weight; ADG, average daily gain; ADFI, average daily feed intake; FCR, feed conversion ratio.

SEM, standard error of means.

^a,b

Means in the same row with different superscripts differ (P < 0.05).