Table 2.
Composition and nutrient levels (air-dry basis, %) of grower diets (22–42 d of age)
| Medicated groupsd | Vaccinated groups | |||||
|---|---|---|---|---|---|---|
| Met concentrations: | 0.45% | 0.56% | 0.68% | 0.45% | 0.56% | 0.68% |
| Ingredients | ||||||
| Corn | 60.41 | 60.29 | 60.05 | 60.41 | 60.29 | 60.05 |
| Wheat | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 |
| Dehulled soybean meal | 28.50 | 28.50 | 28.50 | 28.50 | 28.50 | 28.50 |
| Soybean oil | 2.50 | 2.60 | 2.70 | 2.50 | 2.60 | 2.70 |
| Dicalcium phosphate | 1.60 | 1.60 | 1.60 | 1.60 | 1.60 | 1.60 |
| Limestone | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 |
| L-Lysine·HCl | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 |
| Choline chloride | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 |
| Salt | 0.31 | 0.31 | 0.31 | 0.31 | 0.31 | 0.31 |
| Vitamin Premixa | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10- |
| Trace-element premixb | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 |
| DL-methionine | 0.15 | 0.27 | 0.39 | 0.15 | 0.27 | 0.39 |
| Total | 100 | 100 | 100 | 100 | 100 | 100 |
| Nutrient levelsc | ||||||
| ME (Mcal/kg) | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 |
| Crude protein | 18.50 | 18.50 | 18.50 | 18.50 | 18.50 | 18.50 |
| Methionine | 0.45 | 0.56 | 0.68 | 0.45 | 0.56 | 0.68 |
| Lysine | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| Threonine | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 |
| Calcium | 0.95 | 0.95 | 0.95 | 0.95 | 0.95 | 0.95 |
| Available phosphorus | 0.40 | 0.40 | 0.40 | 0.40 | 0.40 | 0.40 |
aProvided per kg of diet: vitamain A, 8000 IU; vitamain D3,2000 IU; vitamain E,15 IU; vitamain K3, 1.5 mg; thiamine, 2 mg; riboflavin, 5 mg; pyridoxine, 5 mg; vitamain B12, 0.02 mg; folic acid, 0.7 mg; nicotinic acid, 40 mg; pantothenic acid, 12 mg; biotin, 0.2 mg
bProvided per kg of diet: copper, 10 mg (as copper sulfate); iron, 90 mg (as ferrous sulfate); manganese, 100 mg (as manganese sulfate); zinc, 100 mg (as zinc sulfate); selenium, 0.3 mg (as sodium selenite); iodine, 0.5 mg (as calcium iodate)
cME is metabolizable energy and is a calculated value. Other nutrient levels are measured values
dAnanticoccidial drug (narasin, 60 mg/kg diet) was added to diets in medicated groups, and an anticoccidial 7-valent live vaccine was inoculated in vaccinated groups