Table 9.
Average fixed effects of Improvest [immunologically castrated barrows (IC)– physically castrated barrows (PC) and gilts] on belly quality attributes1
| Item | IC | Gilt | PC | SED2 | P-value |
|---|---|---|---|---|---|
| Length, cm | 63.55 | 62.93 | 63.35 | 0.93 | 0.74 |
| Width, cm | 24.53 | 24.28 | 23.93 | 0.98 | 0.11 |
| Thickness, cm | 3.55b | 3.23a | 3.83c | 1.43 | < 0.0001 |
| Belly iodine value3 | 65.27 | 68.35 | 65.02 | 3.24 | 0.59 |
1
Sources include Boler et al. (2011b, 2012), Kyle et al. (2014), Lowe et al. (2014, 2016b), Tavárez et al. (2014, 2016), and Harris (2014).
2
Greatest reported.
3
Calculated as IV value = C16:1 × (0.95) + C18:1 × (0.86) + C18:2 (1.732) + C18:3 × (2.616) + C20:1 × (0.785) + C22:1 × (0.723) (AOCS,1998).
a–c
Means within row lacking common superscripts differ (P < 0.05).