For optimal preservation wrap bales within 24 hours of baling using 6 to 8 mil thick plastic.
Wrapping hay bales in plastic.
Wrapping bales can be an economical answer when quality counts when haying on rented properties and when silos are not available.
Pre tension the film to stretch 55 to 75 percent.
To protect hay from the elements farmers may choose to cover it with a tarp wrap it in a plastic sheet or secure a cap on top of it.
These bales tend to have lower forage quality and greater mold throughout the bales.
Some of the inline systems require end caps or plastic hay bags to seal the ends of the lines.
Wrapping dry hay allows farmers to protect feed from the weather without building more structures.
You get a smoother bale surface that contains the stems and reduces the chance of poking holes in the plastic film.
Single bale wrappers cost less than inline systems but they require more wrapping time and plastic film per bale.
Select blown low density polyethylene film around 1 mil thick.
The finished bales look like giant white marshmallows.
Baleage can be made from 40 65 moisture forage while traditional hay is dried to 16 percent before it is baled.
If the hay is in string tied bales and to be stored outside then a couple turns of plastic may be an economic advantage as long as the gain due to reduced storage losses outweighs the loss in increased expense.
Plastic wrap is most commonly used in high moisture baling.