Recommended TMR Nutrient Concentrations


P. C. Hoffman and R. D. Shaver
Department of Dairy Science, Univ. of Wisconsin-Madison
             
  Dry Cows   Lactating Cows
  Early Close Up   Post Fresh 21-150d 150-300d
             
DMI, lb/d 27-30 22-24   35-40 50-55 45-48
             
CP, % 12-13 12-14   18-19 17-18 15-16
DIP (% CP) 65-70 60-65   60-65 62-65 65-68
UIP (% CP) 30-35 35-40   35-40 35-38 32-35
SIP (% CP) 30-35 30-35   30-35 30-35 30-35
             
NE1, Mcal/lb 0.58-0.62 0.68-0.72   0.76-0.78 0.78-0.80 0.75-0.78
ADF, % 30-35 23-25   21-23 19-21 21-23
NDF, % 45-50 32-35   30-35 27-32 30-35
NFC, % 30-35 35-40   35-40 35-40 32-38
Total Fat, % 2-3 2-4   4-5 6-7 4-6
             
Ca, % 0.60*-0.70 0.70*-0.80   0.80-1.0 0.80-1.0 0.80-0.90
P, % 0.30-0.35 0.35-0.40   0.38-0.42 0.35-0.38 0.35-0.38
Mg, % 0.25 0.35   0.35 0.35 0.30
K, % 0.70-0.80 0.70-0.80   1.0-1.2 1.0-1.2 1.0-1.2
Na, % 0.10 0.10   0.25 0.25 0.25
Cl, % .20 .20   .30 .30 .25
S, % 0.20-0.25 0.20-0.25   0.20-0.25 0.20-0.25 0.20-0.25
Fe, ppm 100 100   100 100 100
Co, ppm 0.30 0.40   0.40 0.40 0.40
Cu, ppm 15 20   20 20 15
Mn, ppm 60 60   60 60 60
Zn, ppm 60 70   80 80 70
I, ppm 0.50 0.50   0.60 0.60 0.60
Se, ppm+ 0.30 0.30   0.30 0.30 0.30
             
Vit A, IU/d 100,000 100,000-150,000   100,000-150,000 100,000-150,000 100,000-150,000
Vit D, IU/d 30.000 40,000-50,000   40,000-50,000 40,000-50,000 30,000-40,000
Vit E, IU/d 500 1,000   1,000 500 500
             
             
*Evaluate DCAD Levels (if anionic salts are fed, then feed 150g of Ca/head/d.) + Or supplement 6mg/head/d.
             

 UW-Extension Nutrition Spreadsheet page