Table 10.
Average fixed effects of belly quality from immunologically castrated barrows categorized by hot carcass weight1
| Item | Hot carcass weight, kg | SED2 | P-value | ||
|---|---|---|---|---|---|
| Light ( < 90.9 kg) | Average (90.9–97.7 kg) | Heavy ( > 97.7 kg) | |||
| Length, cm | 62.35 | 62.25 | 64.65 | 0.85 | 0.01 |
| Width, cm | 24.33 | 23.80 | 25.03 | 0.63 | 0.15 |
| Thickness, cm3 | 3.25a | 3.33a | 3.80b | 0.08 | < 0.0001 |
| Belly iodine value4 | 68.10 | 64.39 | 64.46 | 2.05 | 0.16 |
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
Thickness is the average of 8 measurements collected along the belly, where location 1 to 4 is from the anterior to posterior position of the dorsal edge and location 5 to 8 is from the anterior to posterior position of the ventral edge.
4
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,b
Means within row lacking common superscripts differ (P < 0.05).