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Table 2 Nutrient composition of alfalfa hay and corn stover used in the experimental diets

From: Effects of the dietary nonfiber carbohydrate content on lactation performance, rumen fermentation, and nitrogen utilization in mid-lactation dairy cows receiving corn stover

Items, % of DM

Alfalfa hay

Corn stover

Dry matter

90.0 ± 0.56

90.8 ± 0.51

Crude protein

15.1 ± 1.26

6.3 ± 0.36

Crude ash

8.4 ± 1.25

9.7 ± 0.04

Ether extracts

2.2 ± 0.62

1.1 ± 0.59

Neutral detergent fiber

52.1 ± 2.74

74.4 ± 3.39

Acid detergent fiber

37.0 ± 4.41

42.6 ± 1.62

Non-fiber carbohydratea

22.2 ± 1.23

8.5 ± 3.67

  1. aNon-fiber carbohydrate = 100 – % neutral detergent fiber − % crude protein − % ether extract − % ash