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Table 2 Composition and nutrient levels (air-dry basis, %) of grower diets (22–42 d of age)

From: Responses to dietary levels of methionine in broilers medicated or vaccinated against coccidia under Eimeria tenella-challenged condition

 

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

  1. 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
  2. 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)
  3. cME is metabolizable energy and is a calculated value. Other nutrient levels are measured values
  4. 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