Dashmellow
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I prefer the pink ones from Ireland:
And the purple versions:
But for this time of year, this is more appropriate:
Colored bale wrap is not something you ever see in use here in New England and it may be a questionable practice.
The technology of agricultural bale wrap is a highly technical anaerobic fermentation process involving specific moisture content, specifically regulated temperature ranges and a specific mix of microbes. The tubular plastic material used is a three layer laminated polyethylene that is white on the outside for maximum reflectivity, a center oxygen penetration/moisture retaining barrier and an opaque black inner layer to prevent light from degrading the nutrients in the silage.
These bales are white for a reason. Darker colored plastics, especially the black material absorbs quite a lot of heat which will produce hotter temps in the bag which then disrupts the fermentation process leading to molds, poor palatability, decreased feed efficiency and potential adverse health effects on the livestock. Black silage wrap can also lead to intense pressures building up inside the bales which can cause bursting and potential injury, plus black silage wrap films are reported to get hot enough sitting out in the sunshine that when combined with the heat of fermentation have even lead to spontaneous combustion under certain circumstances.
"Recent research suggests that farmers should wrap bales with light-colored plastic rather than darker colors. “Farmers who use darker plastic will see it break down more quickly than those who use lighter-colored material. The darker plastic breaks down faster in the summer heat and sun, making it more permeable to oxygen and limiting the fermentation process.”
I'm certainly no expert in this field but a friend of mine is a specialist who works for the USDA and who would know all about this subject. He's currently in Afghanistan working with local farmers there to help modernize their practices. Next time I see him I will ask about the pros and cons of colored bale silage wrappings. There could be reasons for the use of different colors to be acceptable under certain situations according to the crops involved, the particular climate environment and the intended uses of the silage. New England farmers only use white plastic for "haylage".
The pink stuff you are so enamored with in Ireland is apparently a novelty item intended to promote The Irish Cancer Society. Dairygold Pink Agri Stretch Silage Wrap - "Wrap It Pink" this silage season with Dairygold Pink Agri Stretch Silage Wrap.... "For every roll of pink wrap purchased, a donation will be made to The Irish Cancer Society. This distinctive high quality, Irish made wrap is designed to create cancer awareness in rural Ireland as well as raising much needed funds for the Irish Cancer Society." The vendor selling this pink stuff claims that it reflects heat well.
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