Distillers Dark Grains (Wheat)
Introduction
By-products of the grain distillery from whisky, gin and vodka production. Available with and without wheat solubles. Wheat is soaked to release the starch reserves for fermentation. Often, some barley malt is added to start the process, providing enzymes to convert starch to sugar. The grain which remains alter the liquor is removed is often called wet draff. This can be pressed and dried with the left-over yeast syrups to produce dark grains.
Origin
Mainly UK.
Nutritional Information
High in energy and protein which is partly degradable. Contains digestible fibre at moderate levels which makes it ideal for ruminants but less suitable for non-ruminants Protein is partially rumen undegradable due to the heat used during the manufacturing process.
Colour/Texture
Dark brown meal/pellets
Palatability
Good
Limits on Usage
High copper levels (150 ppm) mean it is unsuitable for feeding to sheep. The free unsaturated oil content should be noted when used in ruminant diets.
Recommended Maximum Inclusion Rates %
Calf 10 Creep 0 Chick 0
Dairy 40 Weaner 0 Broiler 5
Beef 40 Grower 2.5 Breeder 5
Lamb 0 Finisher 5.0 Layer 5
Ewe 0 Sow 5.0    
Handling/Storage
No significant problems.