Table 6.
Effect of bismuth subsalicylate and calcium ammonium nitrate on categorical carcass traits
| Item | Treatment1 | SEM2 | P-value3 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| U | NIT | UBS | NITBS | LOW-S | SUL | NPNS | BSS | BSS × NPNS | ||
| Quality grade, % | ||||||||||
| Prime | 7.70 | 14.29 | 17.95 | 10.26 | 19.44 | 6.301 | 0.137 | 0.964 | 0.551 | 0.177 |
| Premium Choice | 61.54 | 60.00 | 56.41 | 56.41 | 66.67 | 8.046 | 0.409 | 0.571 | 0.908 | 0.446 |
| Choice | 29.03 | 25.64 | 15.38 | 15.38 | 19.44 | 8.469 | 0.385 | 0.843 | 0.099 | 0.843 |
| Select | 0.00 | 0.00 | 6.45 | 7.69 | 5.56 | 3.767 | 0.979 | 1.000 | 0.970 | 1.000 |
| Yield grade, % | ||||||||||
| 1 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.000 | 0.960 | 0.989 | 0.994 | 0.999 |
| 2 | 5.13 | 14.29 | 5.13 | 17.95 | 11.11 | 5.968 | 0.342 | 0.038 | 0.818 | 0.818 |
| 3 | 64.10 | 45.71 | 38.46 | 53.85 | 44.44 | 7.233 | 0.059 | 0.827 | 0.217 | 0.022 |
| 4 | 23.08 | 38.46 | 41.03 | 28.21 | 36.11 | 8.017 | 0.226 | 0.817 | 0.592 | 0.068 |
| 5 | 0.00 | 0.00 | 11.43 | 0.00 | 10.00 | 3.470 | 0.971 | 0.983 | 0.983 | 0.983 |
| Liver score4, % | ||||||||||
| Edible | 82.05 | 89.74 | 87.18 | 82.05 | 95.00 | 6.449 | 0.112 | 0.796 | 0.796 | 0.287 |
| Abnormal | 17.95 | 10.26 | 12.82 | 17.95 | 5.00 | 6.449 | 0.112 | 0.796 | 0.796 | 0.287 |
1U, 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).
2The highest SEM was included in this table (n = 10 experimental units/treatment mean).
3Significance 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.
4Liver scores: Edible, No presence of abscess; Abnormal, at least one abscess.