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Table 1 Ingredients and chemical composition of diets (DM basis)

From: Effect of dietary phosphorus content on milk production and phosphorus excretion in dairy cows

Items

Dietary treatment1

LP

MP

HP

Ingredient,%

   

  Ground corn grain

22.0

21.9

21.8

  Wheat bran

4.1

4.1

4.1

  Soybean meal

4.2

4.2

4.2

  Sesame meal

3.2

3.1

3.1

  Cotton meal

3.0

2.9

2.9

  Cotton seed

2.1

2.1

2.1

  Calcium carbonate

0.9

0.6

0.2

  Salt

0.4

0.4

0.4

  Dicalcium phosphate

0.0

0.5

1.1

  Corn silage

20.1

20.7

20.7

  Grass hay

16.9

16.9

16.9

  Alfalfa hay

7.6

7.6

7.7

  DDGS

8.3

8.3

8.3

  Apple pulp

6.0

6.0

6.0

  Premix2

0.5

0.5

0.5

Chemical composition3

   

  Dry matter,%

57.9

57.9

57.9

  P,%

0.37

0.47

0.57

  Ca,%

0.74

0.74

0.74

  CP,%

15.2

15.2

15.2

  NDF,%

32.6

32.8

32.9

  NEL, Mcal/kg

1.51

1.51

1.51

  1. 1LP = low P; MP = medium P; and HP = high P.
  2. 2Formulated to provide (per kg of DM) 1,000,000 IU of vitamin A, 200,000 IU of vitamin D, 1,250 IU of vitamin E, 14,000 mg of Zn, 100 mg of Se, 180 mg of I, 3,000 mg of Fe, 40 mg of Co, 3,000 mg of Mn, and 3,000 mg of Cu.
  3. 3All values were the actually determined averages from the monthly TMR analyses with the exception of the NEL, which was estimated using tabular values in the Chinese standard [6].