1. The oil cake type oil cake has strong initial moisture and hygroscopicity. During the moisture absorption process, the temperature will increase, and the heat accumulation process will cause the oil cake to be natural. Therefore, the oil cake should be adjusted to 4-12% moisture before storage. The moisture content of various oil cakes is: 12% cottonseed cake produced by pressing, 13% rapeseed cake, 13.1% bean cake and 11% flax cake. Water can not be too high, if more than 12 to 13%, easy to make cake due to microbial effects and mildew.
The temperature of the oil cake should be cooled to below 40°C before storage. It can be sealed and stored at low temperature. It can also add 0.35 to 0.5% of formaldehyde to dried cakes and mash, and it can be sealed in plastic bags for 72 hours before being stored, which can prevent microbial action.
2. Powdered soybean meal, corn bran, bran, rice bran and other powders are all by-products of grain milling. They have high fat content, are easily oxidized and have poor storage stability. Can be taken at low temperature (3 ~ 5 °C) storage, can also be 100 ~ 110 °C high temperature drying treatment, so that the water dropped to 3 to 4% or less, and then sealed storage.
3. Bad dregs The bad dregs are the multi-moisture residue after extraction or utilization of starch and sugar, such as distiller's grains, sugar beet slag, sugarcane bagasse, and potato dregs. Their dry matter contains high nutrients and is a good feed. However, due to moisture content as high as 23 to 28%, will produce mold for several hours.
The storage of the bad residue is stored after dehydration and drying, but the energy consumption is high and the cost is high. Plastic bags or pits, jars, etc. can be used for sealed storage, and urea with a dry matter weight of 2% to 3% can also be used as a preservative.
The temperature of the oil cake should be cooled to below 40°C before storage. It can be sealed and stored at low temperature. It can also add 0.35 to 0.5% of formaldehyde to dried cakes and mash, and it can be sealed in plastic bags for 72 hours before being stored, which can prevent microbial action.
2. Powdered soybean meal, corn bran, bran, rice bran and other powders are all by-products of grain milling. They have high fat content, are easily oxidized and have poor storage stability. Can be taken at low temperature (3 ~ 5 °C) storage, can also be 100 ~ 110 °C high temperature drying treatment, so that the water dropped to 3 to 4% or less, and then sealed storage.
3. Bad dregs The bad dregs are the multi-moisture residue after extraction or utilization of starch and sugar, such as distiller's grains, sugar beet slag, sugarcane bagasse, and potato dregs. Their dry matter contains high nutrients and is a good feed. However, due to moisture content as high as 23 to 28%, will produce mold for several hours.
The storage of the bad residue is stored after dehydration and drying, but the energy consumption is high and the cost is high. Plastic bags or pits, jars, etc. can be used for sealed storage, and urea with a dry matter weight of 2% to 3% can also be used as a preservative.