Skip to main content

Table 1 Ingredients and chemical composition of diets offered to animals and used in RUSITEC experiment (dry matter basis)

From: Rumen-protected methionine a feed supplement to low dietary protein: effects on microbial population, gases production and fermentation characteristics

Items

Treatments

SEM

P-value

HP

LP

LPLMet

LPHMet

Ingredients, g/kg dry matter

 Corn silage

182.40

193.60

193.60

193.50

  

 Alfalfa hay

101.60

39.20

39.20

39.20

  

 Wheat straw

153.00

213.80

213.70

213.60

  

 Ground corn

162.30

216.50

216.50

216.40

  

 Wheat bran

77.80

46.80

46.80

46.70

  

 Soybean meal

70.30

100.50

100.50

100.40

  

 Cottonseed meal

96.20

38.20

38.20

38.20

  

 Corn germ meal

115.50

105.60

105.60

105.60

  

 Limestone

10.50

8.80

8.80

8.80

  

 Di calcium phosphate

0.00

4.80

4.80

4.80

  

 Sodium chloride

10.50

12.00

12.00

12.00

  

 Sodium bicarbonate

1.90

2.00

2.00

2.00

  

 Premix*

18.00

18.10

18.10

18.00

  

 RPMet

0.00

0.00

0.11

0.81

  

Chemical composition

 Dry matter (g/kg DM)

902.50

890.25

892.00

893.75

5.40

0.89

 Crude protein (g/kg DM)

163.39a

146.33b

141.80b

143.30b

3.38

0.01

 Neutral detergent fiber (g/kg DM)

471.16

471.72

471.21

470.38

1.28

0.99

 Acid detergent fiber (g/kg DM)

212.12

210.87

205.37

212.27

2.04

0.70

 Ether extract (g/kg DM)

28.50

28.00

28.02

28.11

0.52

1.00

 Gross energy (MJ/kg DM)

16.28

16.13

16.13

16.50

0.14

0.85

  1. SEM, standard error of the mean
  2. a,bSuperscripts values within the same row, are significantly different at (P < 0.05)
  3. * Premix (per kilogram of total-mixed ration, DM basis contains): 10.5 mg Cu, 9.80 mg Zn, 12.00 mg Mn, 0.11 mg. Co, 0.32 mg I, 0.15 mg Se, 2500 IU vitamin A, 500 IU vitamin D3, and 40 IU vitamin E