Table 5.
Carcass characteristics of goats fed a total mixed ration supplemented with Napier grass silage (NS) or anthocyanin-rich black cane silage (AS).
| Itema | Experimental diet | SEM | P -value | |
|---|---|---|---|---|
| NS | AS | |||
| BW, kg | 17.25 | 17.65 | 0.321 | 0.135 |
| HCW, kg | 8.15 | 8.50 | 0.634 | 0.194 |
| CCW, kg | 8.05 | 8.48 | 0.839 | 0.294 |
| DP, % | 47.25 | 48.16 | 0.675 | 0.217 |
| 12th-rib fat thickness, cm | 0.24 | 0.23 | 0.033 | 0.246 |
| LMA, cm2 | 14.53 | 14.50 | 0.642 | 0.157 |
| pH value | 6.87 | 6.84 | 0.532 | 0.214 |
| External fat colorb, c | ||||
| L* | 21.48 | 21.90 | 0.639 | 0.589 |
| a* | 16.45 | 15.07 | 0.306 | 0.235 |
| b* | 6.35 | 6.58 | 0.409 | 0.440 |
| c* | 17.63 | 16.44 | 0.324 | 0.391 |
| 12th-rib lean color | ||||
| L* | 46.70 | 48.68 | 0.694 | 0.432 |
| a* | 10.50 | 9.84 | 0.440 | 0.266 |
| b* | 5.92 | 6.70 | 0.367 | 0.363 |
| c* | 12.05 | 11.90 | 0.442 | 0.329 |
BW, body weight; HCW, hot carcass weight; CCW, cold carcass weight; DP, dressing percentage; LMA, LM area measured at 12th rib; SEM, standard error of mean.
Fat color measurements obtained approximately 20 cm ventrally to the lateral process of the split carcass adjacent the 13th rib.
CIE color measurements: L* = lightness, black (0) to white (100); positive a* =red; negative a* = green; positive b* = yellow; negative b* = blue; c* = color saturation = [(a*)2 + (b*)2]1/2 whereby a large number is considered to be more vivid.