Table 5.
Effect of bismuth subsalicylate and calcium ammonium nitrate on continuous carcass characteristics
| Item1 | Treatment2 | SEM3 | P-value4 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| U | NIT | UBS | NITBS | LOW-S | SUL | NPNS | BSS | BSS × NPNS | ||
| Hot carcass weight, kg | 412.8 | 402.9 | 411.1 | 402.9 | 410.5 | 7.27 | 0.694 | 0.033 | 0.841 | 0.832 |
| Dressing, % | 62.3 | 62.6 | 63.0 | 62.4 | 62.7 | 0.32 | 0.366 | 0.575 | 0.379 | 0.097 |
| LM area, cm2 | 88.97 | 86.11 | 83.88 | 85.42 | 86.18 | 1.949 | 0.226 | 0.685 | 0.080 | 0.179 |
| Fat thickness, cm | 1.71 | 1.67 | 1.78 | 1.66 | 1.96 | 0.076 | 0.029 | 0.282 | 0.712 | 0.637 |
| Marbling score | 579.1 | 578.8 | 583.5 | 566.1 | 589.8 | 17.54 | 0.676 | 0.622 | 0.816 | 0.636 |
| Calculated yield grade | 3.24 | 3.28 | 3.68 | 3.17 | 3.58 | 0.121 | 0.036 | 0.044 | 0.143 | 0.019 |
1LM, Longissimus muscle area (cm2). Marbling score, 400 =Small00; 500, Modest00; 600, Moderate00.
2U, Control (Urea at 0.68% with 0.28% RAS); NIT, Nitrate (eCAN at 2.0% with 0.28% RAS); UBS, Urea-Bismuth (Urea at 0.68% and BSS at 0.33% with 0.28% RAS); NITBS, Nitrate-Bismuth (eCAN at 2.0% and BSS at 0.33% with 0.28% RAS); LOW-S, Low sulfur (Urea at 0.68% with 0.14% RAS).
3n = 10 experimental units/treatment mean.
4Significance is declared at P< 0.05, tendencies are discussed at 0.05 < P < 0.10. SUL, Effect of sulfur; NPNS, Effect of non-protein nitrogen source; BSS, Effect of BSS; BSS × NPNS, Interaction between NPNS and BSS.