Table 5.
Evaluation of calculated vs. analyzed acid-binding capacity-4 of diets formulated with different protein sources and levels of soybean meal1
| Item | Low SBM, fermented SBM2 | Low SBM, enzymatically treated SBM3 | High SBM, enzymatically treated SBM3 | SEM | P = |
|---|---|---|---|---|---|
| Calculated ABC-4 (meq) | 403 | 457 | 487 | --- | --- |
| Analyzed ABC-4 (meq)4 | 300 ± 20.0 | 353 ± 11.5 | 373 ± 11.5 | --- | --- |
| Difference | 103 | 104 | 114 | 8.6 | 0.637 |
A total of three diets were analyzed three times with different levels of soybean meal and synthetic amino acids. Two different soy products were used based on their analyzed acid-binding capacity-4 (ABC-4; Lawlor et al., 2005). Each diet was sampled and analyzed three times.
MEpro; Prairie Aquatech; Brookings, SD.
HP 300; Hamlet Protein; Findlay, OH.
Analyzed ABC-4values are reported as the diet average from three titration ± standard deviation within diet.