Table 2.
Diet composition, experiment 1 (as-fed basis)1
| Ingredient, % | Control | ESBM | Fish meal2 |
|---|---|---|---|
| Corn | 40.55 | 41.53 | 44.86 |
| Soybean meal, 46.5% | 32.75 | 23.36 | 23.37 |
| Corn DDGS3 | 10.00 | 10.00 | 10.00 |
| Spray-dried whey | 10.00 | 10.00 | 10.00 |
| Fish meal | – | – | 6.00 |
| ESBM4 | – | 8.30 | – |
| Choice white grease | 3.00 | 3.00 | 3.00 |
| Limestone | 1.05 | 1.10 | 0.78 |
| Monocalcium P, 21% P | 1.05 | 1.15 | 0.35 |
| Sodium chloride | 0.30 | 0.30 | 0.30 |
| l-Lys HCl | 0.35 | 0.35 | 0.35 |
| dl-Met | 0.15 | 0.15 | 0.14 |
| l-Thr | 0.11 | 0.10 | 0.13 |
| l-Trp | – | – | 0.03 |
| l-Val | 0.03 | – | 0.05 |
| Phytase5 | 0.02 | 0.02 | 0.02 |
| Zinc oxide | 0.25 | 0.25 | 0.25 |
| Trace mineral premix6 | 0.15 | 0.15 | 0.15 |
| Vitamin premix7 | 0.25 | 0.25 | 0.25 |
| Total | 100 | 100 | 100 |
| Calculated analysis | |||
| SID amino acid, % | |||
| Lys | 1.35 | 1.35 | 1.35 |
| Ile:Lys | 64 | 62 | 61 |
| Met:Lys | 35 | 35 | 37 |
| Met and Cys:Lys | 58 | 58 | 58 |
| Thr:Lys | 63 | 63 | 63 |
| Trp:Lys | 18.5 | 18.5 | 18.5 |
| Val:Lys | 71 | 71 | 71 |
| Total Lys, % | 1.52 | 1.51 | 1.53 |
| Metabolizable energy, kcal/kg | 3,408 | 3,439 | 3,461 |
| Net energy, kcal/kg | 2,509 | 2,535 | 2,571 |
| SID Lys:metabolizable energy, g/Mcal | 3.96 | 3.92 | 3.90 |
| Crude protein, % | 23.4 | 23.6 | 23.1 |
| Ca, % | 0.77 | 0.77 | 0.77 |
| P, % | 0.69 | 0.65 | 0.66 |
| STTD P, % | 0.54 | 0.53 | 0.52 |
DDGS = dried distillers grains with solubles; STTD = standardized total tract digestibility.
1Diets were fed from 7.1 to approximately 10.4 kg body weight.
2Fish meal sources were: IPC 790 (2015 catch year, The Scoular Company, Minneapolis, MN); Omega Special Select Menhaden (2014 catch year, Omega Protein, Houston, TX); Daybrook LT Prime Menhaden (2015 catch year, Daybrook Fisheries, Inc., New Orleans, LA).
3Dried distillers grain with solubles.
4ESBM (HP 300, Hamlet Protein, Findlay, OH).
5Ronozyme HiPhos 2700 (DSM Nutritional Products, Parsippany, NJ) provided 476.2 phytase units (FTU/kg) of diet with a release of 0.10% available P.
6Provided per kilogram of premix: 22 g Mn from manganese oxide; 73 g Fe from iron sulfate; 73 g Zn from zinc sulfate; 11 g Cu from copper sulfate; 198 mg I from calcium iodate; and 198 mg Se from sodium selenite.
7Provided per kilogram of premix: 3,527,360 IU vitamin A; 881,840 IU vitamin D3; 46 17,637 IU vitamin E; 3,307 mg riboflavin; 1,764 mg menadione; 11,023 mg pantothenic acid; 33,069 mg niacin; and 15.4 mg vitamin B12.