Alfalfa PEAQ Readings – May 19, 2016

Dodge County Forage Council’s PEAQ Readings – May 19, 2016Alfalfa field

Predictive Equations for Alfalfa Quality (PEAQ) is a method to measure standing alfalfa’s forage quality before it’s harvested. Agronomists at the University of Wisconsin – Madison developed this method to help predict alfalfa’s Relative Feed Value (RFV) at the time of cutting.

Several Dodge County Forage Council producers will be reporting PEAQ readings from around the county on Tuesdays and Thursdays, through May 26, or as long as their hay is standing. When alfalfa RFV’s near 160, it’s usually time to start harvesting first-crop hay.

That’s because first-crop alfalfa can rapidly drop 3-5 points of RFV per day as plants mature. Alfalfa quality should be 150 RFV for milking dairy herds and 120-130 RFV for heifers, stocker cattle and lactating beef cattle.

 May 19, 2016      
Location  RFV Height Growth Stage/Age of Crop
 Hustisford 190 24″ Vegetative/2 years
Rubicon 180-hillside 26″ Vegetative/3rd or 4th year
 Rubicon 200 – flat 22″

 

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