Table 2.

Effects of narasin on growth performance when narasin inclusion rate changed over time of grow-finish pigs for overall data¹

Publication	Trial duration, d	Initial BW, kg	Final BW, kg	Initial2		Final3		Change, %
				Dose, mg/kg	Duration, d	Dose, mg/kg	Duration, d	BW	ADG	ADFI	G:F	Carcass yield
Report ELAUS150089, 2015	98	26.26	130.14	0	56	15	42	0.732	1.027	1.203	−0.247	−0.054
Report ELA210244, 2021	111	39.05	139.12	0	48	15	63	0.196	0.463	−0.175	0.264	−0.273
Report ELA210244, 2021	111	39.05	139.12	0	14	15	97	0.326	0.463	−0.175	0.528	0.137
Report ELA210431, 2021	116	28.76	134.40	0	57	15	59	−0.236	0.000	−0.182	0.242	—
Report ELA210431, 2021	116	28.76	134.40	15	57	30	116	0.810	1.322	0.729	0.726	—
Report ELAVV200324, 2021	111	42.68	131.95	15	56	30	111	0.859	0.985	−0.361	1.635	−0.270

¹The percentage change in response was calculated for pigs fed narasin diets relative to the control pigs.

²Represents the narasin dose at the start of the research trial and how many days it was fed.

³Represents the narasin dose at the end of the research trial and how many days it was fed.