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. 2024 Jan 29;17:49–60. doi: 10.1016/j.aninu.2024.01.003

Table 1.

Feed ingredients and chemical composition of experimental diets (DM basis).

Item Diets1
CON HF5 HF10 HF20
Ingredients, % of DM
 HF2 0 5 10 20
 AH3 60 55 50 40
 Corn grain4 20.4 20.4 20.4 20.4
 Soybean meal 4.8 4.8 4.8 4.8
 Wheat bran 12.72 12.72 12.72 12.72
 NaCl 0.48 0.48 0.48 0.48
 Premix5 1.6 1.6 1.6 1.6
Chemical composition, % of DM
 DM, % 91.18 91.20 91.17 91.09
 OM 95.11 94.92 94.67 94.54
 CP 14.89 14.93 15.12 15.34
 NDF 37.52 37.65 37.77 37.92
 ADF 26.66 26.74 26.76 26.85
 Ca 2.85 2.87 2.87 2.88
 P 0.31 0.32 0.32 0.32
 ME,6 MJ/kg 9.73 9.74 9.74 9.74

AH = alfalfa hay; HF = hemp forage; ME = metabolizable energy; DM = dry matter; OM = organic matter; CP = rude protein; NDF = neutral detergent fiber; ADF = acidic detergent fiber.

1

CON = 60% AH without HF; HF5 = 55% AH + 5% HF; HF10 = 50% AH + 10% HF; HF20 = 40% AH + 20% HF.

2

Composition (DM basis): 90.1% DM, 92.4% OM, 22.2% CP, 4.2% EE, 55.5% NDF and 33.2% ADF.

3

Composition (DM basis): 90.0% DM, 93.7% OM, 14.1% CP, 1.4% EE, 59.6% NDF, and 45.9% ADF.

4

Composition (DM basis): 90.3% DM, 92.6% OM, 70.1% starch, 8.4% CP, 4.4% EE.

5

Supplied per kilogram of dietary DM: 120 mg MgSO4·H2O, 100 mg CuSO4, 30 mg FeSO4·7H2O, 50 mg ZnSO4·H2O, 30 mg MnSO4·H2O, 0.4 mg KI, 0.9 mg CoCl2, 1.3 mg Na2SeO3, 9,000 IU vitamin A, 1,800 IU vitamin D3, 2,000 IU vitamin E.

6

ME was calculated according to NRC (2007).