Table 1 Experimental diet composition and calculated nutrient specifications.

From: Hydroxychloride zinc and copper supplementation improves growth, feed efficiency, and gut health in broiler chickens

Ingredients %

Starter

Grower

Finisher

Wheat

35.2

35.5

34.3

Soybean meal

29.0

24.9

18.9

Corn

25.0

25.0

30.0

Canola meal

5.00

8.00

10.0

Canola oil

2.29

3.51

4.07

Limestone

1.13

1.07

1.01

Dicalcium phosphate 18P/21Ca

0.913

0.764

0.649

Sodium bicarbonate

0.306

0.263

0.177

L-lysine

0.302

0.235

0.222

DL-methionine

0.260

0.218

0.181

Salt

0.182

0.208

0.214

L-threonine

0.149

0.091

0.066

Choline Chloride 60%

0.105

0.096

0.098

Trace mineral premix

0.100

0.100

0.100

Vitamin premix 1

0.090

0.090

0.090

Xylanase 2

0.020

0.020

0.020

Phytase 3

0.010

0.010

0.010

Calculated nutrients

   

Metabolizable energy (kcal/kg)

3,000

3,080

3,150

Crude protein %

22.62

21.71

19.86

Crude fat %

4.29

5.571

6.29

Crude fiber %

2.83

2.91

2.94

Digestible Arginine%

1.302

1.230

1.090

Digestible Lysine %

1.260

1.150

1.020

Digestible Methionine%

0.580

0.533

0.480

Digestible Methionine + Cysteine %

0.920

0.870

0.800

Digestible Tryptophan %

0.259

0.245

0.216

Digestible Isoleucine %

0.840

0.796

0.710

Digestible Threonine%

0.860

0.770

0.680

Digestible Valine %

0.922

0.886

0.808

Calcium %

0.900

0.850

0.800

Available phosphorus %

0.450

0.425

0.400

Total phosphorus %

0.570

0.552

0.528

Sodium %

0.200

0.200

0.180

Chloride %

0.230

0.230

0.230

Choline mg/kg

1,700

1,600

1,500

  1. 1Vitamin concentrate supplied per kilogram of diet: retinol, 12,000 IU; cholecalciferol, 5000 IU; tocopheryl acetate, 75 mg, menadione, 3 mg; thiamine, 3 mg; riboflavin, 8 mg; niacin, 55 mg; pantothenate, 13 mg; pyridoxine, 5 mg; folate, 2 mg; cyanocobalamin, 16 µg; biotin, 200 µg; cereal-based carrier, 149 mg; mineral oil, 2.5 mg.
  2. 2 Xylanase at 200 g/tonne provided approximately 200 fungal xylanase units (FXU) per kilogram of feed.
  3. 3 Phytase at 100 g/tonne provided approximately 1000 phytase unit (FTU) per kilogram of feed.