Table 6.
Nutrient intake of Bos indicus beef animals offered diets containing whole cottonseed and corn germ (CONT; n = 6), calcium salts of soybean oil (CSSO; n = 6), calcium salts of palm, soybean, and cottonseed oil (CSVO; n = 6), or a mixture of whole cottonseed, corn germ, and CSVO (MIXT; n = 6) as lipid sources
| Itema | Treatments | SEM | P | |||
|---|---|---|---|---|---|---|
| CONT | CSSO | CSVO | MIXT | |||
| DMI, kg/d | 10.02 | 9.84 | 10.06 | 9.92 | 0.254 | 0.93 |
| DMI, % BW | 2.10 | 2.09 | 2.13 | 2.12 | 0.033 | 0.83 |
| Nutrient intake, kg/d | ||||||
| CP | 1.44 | 1.42 | 1.45 | 1.43 | 0.036 | 0.95 |
| NDF | 2.89a | 2.54b | 2.60b | 2.77a | 0.068 | < 0.01 |
| peNDF | 1.76a | 1.33c | 1.36c | 1.66b | 0.038 | < 0.0001 |
| EE | 0.50 | 0.49 | 0.50 | 0.49 | 0.013 | 0.88 |
| TDN | 7.65 | 7.74 | 7.89 | 7.64 | 0.196 | 0.78 |
| Starch | 2.77c | 3.66a | 3.73a | 3.28b | 0.090 | < 0.0001 |
| NEg, Mcal/kg | 12.02 | 12.47 | 12.72 | 12.06 | 0.313 | 0.36 |
| Fatty acid, g/d | ||||||
| C10:0 | 0.77a | 0.66b | 0.70b | 0.66b | 0.019 | 0.01 |
| C12:0 | 5.84bc | 6.11b | 6.44ab | 6.18b | 0.135 | 0.10 |
| C14:0 | 6.71 | 6.48 | 6.64 | 6.20 | 0.141 | 0.19 |
| C16:0 | 190.88a | 179.79bc | 186.10ab | 172.03c | 4.161 | 0.09 |
| C16:1 trans-9 | 4.37a | 3.86b | 3.79b | 3.77b | 0.085 | < 0.01 |
| C17:0 | 1.62 | 1.60 | 1.58 | 1.47 | 0.037 | 0.12 |
| C18:0 | 109.93ab | 114.46a | 114.26a | 102.56b | 2.631 | 0.06 |
| C18:1 cis-9 | 336.99a | 313.02bc | 319.25ab | 298.16c | 7.387 | 0.05 |
| C18:2 cis-9, cis-12 | 344.48a | 311.91b | 311.37b | 295.91b | 7.913 | 0.02 |
| C18:3 cis-9, cis-12, cis-15 | 17.24a | 12.88c | 12.57c | 13.96b | 0.334 | < 0.0001 |
| C20:0 | 9.08a | 8.66ab | 8.73ab | 8.13b | 0.191 | 0.08 |
| C20:1 | 4.90 | 4.91 | 4.95 | 4.53 | 0.104 | 0.11 |
| C22:0 | 9.07b | 10.07a | 10.18a | 8.77b | 0.204 | < 0.01 |
| C24:0 | 6.72b | 7.27a | 7.36a | 6.38b | 0.154 | < 0.01 |
| Total | 1,052.24a | 984.38bc | 996.31ab | 930.61c | 23.541 | 0.06 |
| SFA | 340.99a | 335.14ab | 341.98a | 312.07b | 7.689 | 0.10 |
| MUFA | 346.26a | 323.39b | 329.34ab | 307.09b | 7.601 | 0.06 |
| PUFA | 361.72a | 324.80b | 323.95b | 309.86b | 8.239 | 0.01 |
| SFA:MUFA ratio | 0.984c | 1.034a | 1.036a | 1.015b | 0.0008 | < 0.0001 |
| SFA:PUFA ratio | 0.967d | 1.056b | 1.081a | 1.030c | 0.0015 | < 0.0001 |
Experimental diets were offered for 108 d. Within rows, values with different superscript differ (P ≤ 0.10).
aDry matter and nutrient intakes were evaluated on a daily basis throughout the experimental period (days 0–108) and calculated based on amount of ration offered and refusal on the bunk.