Updated Nutrient Specifications for the Dairy Herd

Author: Charles C. Stallings, Extension Dairy Scientist, Nutrition, Virginia Tech

Publication Number 404-105, June 1996

Updated Nutrient Specifications for the Dairy Herd; Table 2

Table 2. Recommended nonfiber carbohydrates and rumen degradable protein in rations for lactating cows.

Days in Lactation

0-80 81-200 >200

Nonfiber Carbohydrates, %DM 38-42 35-38 33-35

Crude Protein, %DM 17-19 15-17 14-15

Rumen Undegradable Protein, %CP 38-40 36-38 32-36

Rumen Degradable Protein, %CP 60-62 62-64 64-68

Soluble Protein, %CP 30-31 31-32 32-34

	Days in Lactation
	0-80	81-200	>200
Nonfiber Carbohydrates, %DM	38-42	35-38	33-35
Crude Protein, %DM	17-19	15-17	14-15
Rumen Undegradable Protein, %CP	38-40	36-38	32-36
Rumen Degradable Protein, %CP	60-62	62-64	64-68
Soluble Protein, %CP	30-31	31-32	32-34

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