Dan Undersander

Extension forage specialist,
University of Wisconsin

Dan Undersander received his doctorate and master's degrees from Purdue University and his bachelor's at the University of Minnesota.

He is working toward determining factors affecting alfalfa plant health and survival; best management practices for harvested forage that include big-bale wrapping and silage fermentation; optimum management practices for intensively grazed pastures considering forage, yield, quality and effect on wildlife; and developing equations for NIR spectroscopy for release to commercial forage-testing laboratories.
Test Forages Repeatedly For Accurate Results 1
Minimizing the amount of variation in forage analysis will increase the test's value and a producer's ability to adequately balance rations.
Manage Alfalfa For Winter Survival
Fall management of alfalfa can greatly affect winter survival and yield the next year.
Add Value To Baled Hay With Recutter 2
Recutters can add value to hay by increasing bale density.
Choose Grass Varieties Carefully 2
When planting grass for pastures or hayfields, many farmers decide on the species and then pay little attention to the variety, buying whatever seed is cheapest or available. This is a little like deciding to add a cow to the herd but not caring whether it’s a Holstein or an Angus. Failing to select a high-performing grass variety can be a very expensive mistake.
Forage Digestibility – Moving Beyond ADF
Cattle, sheep and other ruminants have the unique ability to digest cellulose, the main component in plant cell walls, to produce energy for themselves. This is significant, since cellulose makes up 40-70% of forage.
The Right Bale Feeder Conserves Hay, Cuts Costs 2
Consider bale feeders to save on feed costs, Extension specialist says.
Heat-Damaged Forages Lose TDN, Too
We have often been aware of protein loss from heat damage to hay baled too wet or haylage packed poorly. But seldom have we considered the TDN loss – something that is becoming more significant as grain prices rise
Should We Control Weeds In Established Alfalfa? It Depends
As dandelions bloom in spring, many farmers ask if they should control weeds in established alfalfa stands. The answer is usually “no” if you’re going to feed the hay or haylage yourself and probably “yes” if you’re going to market the hay. Hay marketers are paid premiums for pure alfalfa

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