Baleage Tips

Many industry experts suggest a minimum of six wraps/bale when making baleage. Vermeer agrees with this recommendation. Various field and crop conditions impact the number of wraps/bale decision; please consult a local expert in your area as you consider this decision.

Percentage of Moisture at Harvest

  • < 35% Moisture – Less fermentation. Requires an extra layer or two of plastic wrap. And needs to be fed as quickly as possible to reduce aerobic stability issues.
  • 35-45% Moisture – Some fermentation, more layers of wrap needed.
  • 45-55% Moisture – Generally recommended for best results.
  • 55-65% Moisture – Great fermentation, but oftentimes it leaves a wet rank layer (1-2″ deep), which forms on the outside of the bale.

Recommendations on Type/Timing/Dos & Don’ts of Wrapping 

  • First, netwrap the bale. It forms a smoother bale surface all around, containing stems and reducing the possibility of poking holes into the film. (Rodenticide-treated sisal twine has the potential to degrade film.)
  • Plastic wrap film recommendation – Blown, low-density polyethylene about 1-mil thick, with 70-80% stretch. If you’re really aggressive on stretching, you may need to put another layer or two of wrap on to account for the reduced thickness of the material.
  • Wrap as soon as possible after baling to prevent aerobic deterioration.
  • Wrap close to the storage site to minimize handling.
  • Store away from woods, where rodents and other “critters” are found.
  • Avoid areas with sharp stubble and poorly drained soil.
  • Periodically check for stems poking through the film, or rodent damage, and repair immediately.
  • Don’t wrap during a rainstorm. Wet film loses its tackiness.
  • Don’t handle bales 12 hour or more after wrapping. Squeezing them can break film layers and potentially expose bales to oxygen, which can restart the aerobic phase.

*Baleage tips provided by Kevin Schinners, Ph.D., University of Wisconsin.

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