. 2020 Aug 12;99(11):6022–6030. doi: 10.1016/j.psj.2020.07.036

Table 2.

Effects of phytosterol supplementation on performance and visceral index of yellow-feather broilers.

Item	Treatment			SEM	Day			SEM	P-value
Item	Con	Anti	Phyto	SEM	21 D	42 D	63 D	SEM	Trt	Day	Trt∗Day
Growth performance
Average feed intake(g/D)	57.0	56.8	56.5	0.98	25.9^a	68.9^b	75.5^c	1.4	0.93	<0.0001	0.31
Average daily gain (g/D)	25.01	24.99	24.95	0.417	16.91^a	32.17^b	25.86^c	0.555	0.99	<0.0001	0.59
Feed conversion rate	2.22	2.20	2.19	0.035	1.53^a	2.15^b	2.93^c	0.056	0.89	<0.0001	0.64
Visceral index, %BW
Bursa of Fabricius	0.199	0.213	0.179	0.015	0.276^a	0.209^b	0.106^c	0.019	0.29	<0.0001	0.48
Spleen,	0.192	0.181	0.153	0.0159	0.193	0.17	0.163	0.025	0.23	0.57	0.53
Liver	2.56^a,b	2.42^b	2.79^a	0.075	3.72^a	2.36^b	1.69^c	0.131	0.011	<0.0001	0.44
Heart	0.48	0.47	0.51	0.019	0.67^a	0.43^b	0.36^c	0.024	0.42	<0.0001	0.10

^a,b,cValues (sharing the same SEM) within the same row with no common superscript letters differ (P < 0.05).

Abbreviations: Con, control group with basal diet; Anti, basal diet supplemented with 200 mg/kg oxytetracycline calcium and 250 mg/kg nosiheptide (Anti); Phyto, basal diet supplemented with 25 mg/kg phytosterols; Trt, treatment.