Table 11.

Average fixed effects of Improvest [immunologically castrated barrows (IC)– physically castrated barrows (PC)] on belly processing attributes¹

Item	IC	PC	Effect IC-PC	SED	P-value
Initial wt, kg	5.45	5.55	−0.10	0.12	0.44
Pump wt, kg	6.15	6.22	−0.07	0.14	0.62
Pump uptake, %	12.76	12.12	0.64	0.32	0.06
Cooked wt, kg	5.51	5.65	−0.14	0.13	0.32
Slicing Yield, %	84.24	87.66	−3.42	0.81	< 0.001

¹Sources include Boler et al. (2011b, 2012), Kyle et al. (2014), Lowe et al. (2014, 2016b), Tavárez et al. (2014, 2016), and Harris (2014).