Seminole Crop E News

Agricultural News for Farmers and Agribusiness in SW Georgia

Sorghum Silage

Posted by romeethredge on November 22, 2013

The frost last week put a halt to our sorghum silage crop. This field was rattooned in the summer. It was harvested for silage and then refertilized and it grew another crop. But the freeze got it before it was all the way ready to ensile again but it will still do pretty well.  Here are some comments about ensiling this sorghum by Dr. John Bernard, UGA Animal Science Feeds Scientist.

“I would wait for a minimum of 3 to 4 days if light frost or 6 to 7 days if a killing frost to let the prussic acid content decrease and then cut it for silage.  Fermentation will also reduce any remaining prussic acid remaining.
With the cooler weather, these forages (including second crop corn) were maturing very slowly.  I don’t think it will mature much more.  If possible, I would run it through a mower-conditioner and let it wilt some to reduce the moisture content before chopping (especially if going into an upright silo).  If that is not an option, be sure to use an inoculant to get a good fermentation. It will have some leaching given the moisture content.”

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