Table 1.
Composition of positive (PC) and negative (NC) control basal diet and calculated and analyzed nutrient values, as-fed basis
| Growth phase: | Phase 2 | Phase 3 | Phase 4 | |||
|---|---|---|---|---|---|---|
| Diet: | PC | NC | PC | NC | PC | NC |
| Ingredients, % | ||||||
| Corn | 35.77 | 36.17 | 47.79 | 48.18 | 47.39 | 47.78 |
| Soybean meal | 30.000 | 30.000 | 31.600 | 31.600 | 31.600 | 31.600 |
| Corn DDGS, 6% to 9% oil | 15.000 | 15.000 | 15.000 | 15.000 | 15.000 | 15.000 |
| Poultry fat | 2.500 | 2.500 | 2.500 | 2.500 | 2.500 | 2.500 |
| Monocalcium phosphate | 0.725 | 0.000 | 0.700 | 0.000 | 0.700 | 0.000 |
| Limestone | 1.025 | 1.350 | 0.950 | 1.260 | 0.950 | 1.260 |
| Salt | 0.350 | 0.350 | 0.500 | 0.500 | 0.500 | 0.500 |
| L-Lysine | 0.365 | 0.365 | 0.345 | 0.345 | 0.340 | 0.340 |
| DL-Methionine | 0.153 | 0.153 | 0.106 | 0.106 | 0.105 | 0.105 |
| L-Threonine | 0.060 | 0.060 | 0.059 | 0.059 | 0.057 | 0.057 |
| Trace mineral premix1 | 0.150 | 0.150 | 0.150 | 0.150 | 0.150 | 0.150 |
| Vitamin premix2 | 0.250 | 0.250 | 0.250 | 0.250 | 0.250 | 0.250 |
| Plasma | 1.500 | 1.500 | 0.000 | 0.000 | 0.000 | 0.000 |
| Milk, whey powder | 12.000 | 12.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Ethoxyquin | 0.030 | 0.030 | 0.030 | 0.030 | 0.030 | 0.030 |
| Tylan 40 Sulfa-G3 | 0.125 | 0.125 | 0.000 | 0.000 | 0.000 | 0.000 |
| Tylan 404 | 0.000 | 0.000 | 0.025 | 0.025 | 0.025 | 0.025 |
| Chromic oxide | 0.000 | 0.000 | 0.000 | 0.000 | 0.400 | 0.400 |
| Calculated nutrient values | ||||||
| ME, kcal/kg | 3,413 | 3,426 | 3,400 | 3,413 | 3,387 | 3,400 |
| CP, % | 24.490 | 24.523 | 23.636 | 23.668 | 23.596 | 23.628 |
| Total Lys, % | 1.608 | 1.609 | 1.462 | 1.463 | 1.457 | 1.458 |
| SID Lys, % | 1.422 | 1.422 | 1.275 | 1.276 | 1.270 | 1.271 |
| Total P, % | 0.654 | 0.502 | 0.586 | 0.440 | 0.585 | 0.439 |
| STTD P, % | 0.403 | 0.250 | 0.322 | 0.174 | 0.321 | 0.174 |
| Ca, % | 0.756 | 0.756 | 0.654 | 0.653 | 0.654 | 0.653 |
| Analyzed composition, %5 | ||||||
| DM | 12.00 | 12.66 | 12.61 | |||
| CP | 24.00 | 22.92 | 22.43 | |||
| Fat | 5.65 | 6.20 | 6.76 | |||
| Lys | 1.64 | 1.57 | 1.55 | |||
| Fiber | 2.60 | 3.00 | 2.70 |
1Supplied the following per kilogram of complete diet: 110 mg of Fe as ferrous sulfate; 110 mg of Zn as zinc sulfate; 33 mg of Mn as manganous oxide; 16.5 mg of Cu as copper sulfate; 0.30 mg of I as calcium iodate; 0.30 mg of Se as sodium selenite.
2Supplied the following per kilogram of complete diet: 8,820 IU of vitamin A; 2,205 of vitamin D3; 44.1 IU of vitamin E; 38.6 µg of vitamin B12; 4.4 mg of vitamin K as menadione nicotinamide bisulfite; 8.3 mg of riboflavin; 27.6 mg of pantothenic acid as D-calcium pantothenate; 82.7 mg of niacin.
3Tylan 40 Sulfa-G (Elanco Animal Health, Indianapolis, IN) provided at 110 mg tylosin and 110 mg sulfamethazine per kg of diet.
4Tylan 40 (Elanco Animal Health, Indianapolis, IN) provided 22 mg tylosin per kg of diet.
5Basal diet without monocalcium phosphate addition for PC diet or additional limestone and corn for NC diet.