Table 3.

Average fixed effects of Improvest [immunologically castrated barrows (IC)– physically castrated barrows (PC)] on ham cut-out values from a summary of previously reported data^1,2

Item	IC	PC	Effect IC- PC	95% CI	SED	P-value
Inside, kg	1.78	1.72	0.06	(−0.01, 0.11)	0.06	0.13
% chilled side wt	3.74	3.63	0.11	(0.02, 0.18)	0.04	0.04
% trimmed ham	17.96	17.97	−0.01	(−0.24, 0.22)	0.11	0.91
Outside, kg	2.46	2.36	0.10	(0.01, 0.19)	0.09	0.06
% chilled side wt	5.18	4.98	0.20	(0.10, 0.31)	0.05	< 0.01
% trimmed ham	24.91	24.60	0.31	(0.02, 0.60)	0.14	0.09
Knuckle, kg	1.40	1.35	0.05	(0.00, 0.10)	0.02	0.03
% chilled side wt	2.95	2.84	0.11	(0.06, 0.17)	0.03	< 0.001
% trimmed ham	14.18	14.05	0.13	(−0.08, 0.35)	0.10	0.20
Lite butt, kg	0.37	0.33	0.04	(0.02, 0.06)	0.01	< 0.001
% chilled side wt	0.77	0.69	0.08	(0.02, 0.12)	0.02	< 0.01
% trimmed ham	3.73	3.43	0.30	(0.05, 0.54)	0.12	0.02
Inside shank, kg	0.72	0.68	0.04	(0.01, 0.06)	0.01	< 0.01
% chilled side wt	1.54	1.46	0.08	(0.03, 0.13)	0.02	< 0.01
% trimmed ham	7.40	7.22	0.18	(0.03, 0.33)	0.07	0.02
Ham bones, kg	1.29	1.22	0.07	(0.01, 0.12)	0.03	0.03
% chilled side wt	2.68	2.56	0.12	(0.03, 0.20)	0.04	0.01
% trimmed ham	13.19	12.90	0.29	(0.00, 0.59)	0.14	0.05

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

²Outer shank not included.