Why is it important to analyze grain?
We recommend that you have your new grain analyzed for water content in particular - but also crude protein and crude fat. This ensures that the new harvest is correctly adjusted for in the new feed formulations, so we avoid to under-/over-supply nutrients that can adversely affect productivity or be costly.
In Vilomix we usually recommend to make a representative check on the average grain value in your own warehouse.
As a home mixer, you also get the full value of your grain if there is more protein in it. You can therefore save some quantity of soybean/sunflower proteins. If - on the other hand - there is less protein in your grain than average, a protein correction in the formulations ensures that the crude protein level does not fall so far down that it eg.goes beyond the meat percentage or daily gain. Grain represents 70-80% of feed mixes and it is therefore crucial to use the correct values to ensure an economically and nutritionally optimal feeding.
If you subsequently dry the grain, remember to correct for it when you submit your analyzes to your feed adviser. For instance if grain with a 19% water content has been used in the optimizations (from harvest) and the grain has been dried down to 15%, this means approx. + 3.5-4.0% energy in the finished feed formulation. In that case the protein level will be too low compared to the optimal. This has consequences not only for productivity, but also on the feed conversion.
If the results of the grain analyses are showing a lower content of protein than normal (due to a poor quality of grains), the ratio is balanced using more soybean meal or other proteins and very often more nutrients should be included in the premix which may increase premix cost but it is necessary to maintain production results.
How to take a representative sample of the grain?
The representative sample should be made by taking many increment samples while storing grain in storage. The increment samples are found by taking one to two handfuls for each load run in stock. When the stock is full, an average sample is taken of the many handfuls collected during the harvest. A sample of each grain variety is required, even if something is mixed in a silo or in a storage warehouse. If you mix grains together, it requires a chemical analysis to determine the correct content.
If you need advise on how to analyze your grain - don´t hesitate to contact us