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Table 1 Diet composition of the experimental diets

From: Feeding a high-concentrate corn straw diet increased the release of endotoxin in the rumen and pro-inflammatory cytokines in the mammary gland of dairy cows

Item Diet
LCF HCS LCS
Ingredient (% of dry matter)
Chinese wildrye 3.7 - -
Corn silage 26.7 - -
Alfalfa hay 23.4 - -
Corn straw - 35.0 53.8
Corn 24.6 35.26 24.6
Soybean meal 14.8 20.82 14.8
Whole cottonseed 5.1 7.18 5.1
Dicalcium phosphate 0.6 0.84 0.6
Salt 0.5 0.5 0.5
Premix1 0.6 0.6 0.6
Total 100 100 100
Concentrate to roughage ratio 46:54 65: 35 46:54
Nutrient composition (% of dry matter)
Net energy (Mcal/kg) 1.50 1.54 1.40
Crude protein 16.8 16.9 13.9
Neutral detergent fiber 37.6 34.4 46.0
Acid detergent fiber 23.9 19.9 26.7
Non-fiber carbohydrate2 37.0 41.3 32.6
Ether extract 3.4 3.2 2.5
Calcium 0.50 0.45 0.42
Phosphorus 0.38 0.41 0.35
  1. 1Contained Cu (as sulfate), 2,142 mg/kg; Mn (as sulfate), 15,428 mg/kg; Zn (as sulfate), 15,428 mg/kg; Co (as chloride), 28 mg/kg; I (as iodate), 231 mg/kg; Se (as selenite), 57 mg/kg; vitamin A, 2,285,000 IU/kg; vitamin D, 457,000 IU/kg; and vitamin E, 11,400 mg/kg.
  2. 2Non-fiber carbohydrate = 100 – (% Neutral detergent fiber +% Crude protein +% Ether extract +% Ash).