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Table 1 Ingredients (% as fed basis) and chemical composition (g/100 g) of the concentrates used in the experimental diets (by Cobellis et al. [8])

From: Dietary supplementation of Rosmarinus officinalis L. leaves in sheep affects the abundance of rumen methanogens and other microbial populations

Item

Diet

 Ingredients

CTR

RL pellet

RL

EO

  Wheat bran

40.00

30.00

39.00

39.30

  Wheat flour middlings

17.80

24.30

17.35

17.49

  Corn grain

10.00

10.00

9.75

9.82

  Sunflower meal

14.90

14.90

14.53

14.64

  Soybean meal

5.00

6.00

4.87

4.91

  Calcium carbonate

4.20

4.20

4.09

4.13

  Dehydrated alfalfa meal

3.50

3.50

3.41

3.44

  Beet protein concentrate

2.00

2.00

1.95

1.96

  Sugar cane molasses

2.00

2.00

1.95

1.96

  Vitamin-mineral supplement1

0.60

0.60

0.60

0.60

  Rosemary leaves

-

2.50

2.50

-

  Rosemary essential oil

-

-

-

1.75

 Chemical composition

    

   Analysed

    

  Dry matter

92.88

92.78

92.84

92.96

  Crude protein

18.40

18.44

18.09

18.08

  Crude fat

3.08

3.21

3.12

3.05

  Ash

9.84

9.98

9.79

11.24

  NDF

29.65

29.52

29.79

29.13

  ADF

10.65

11.17

10.99

10.47

  Lignin sa

3.14

2.99

3.38

3.08

  Ca

0.80

0.70

0.79

0.79

  P

0.75

0.68

0.75

0.74

  Na

0.28

0.27

0.27

0.28

   Calculated

    

  Lys

0.70

0.71

0.68

0.69

  Met

0.29

0.29

0.28

0.28

  Met + Cys

0.58

0.58

0.56

0.57

  Choline

0.14

0.14

0.14

0.14

  1. 1Supplied per kilogram of diet: Vitamin A, 18,000 I.U. (retinol); Vitamin D3, 2,100 I.U.; Vitamin E, 21 mg (α-tocopheryl acetate); Fe, 29 mg; Co, 0.75 mg; Mn, 39 mg; Zn, 150 mg; Se, 0.06 mg. CTR: control; RL pellet: CTR plus 10 g/d of dried and ground rosemary leaves pelleted into concentrate; RL: CTR plus 10 g/d of dried and ground rosemary leaves; EO: CTR plus 7 g/d of rosemary essential oil adsorbed on an inert support