How to store feed
First, green feed
The green feed can be stored using the silage method. The principle and method are the same as those of corn straw silage. However, silage grass silage is more difficult to add carbohydrates or mixed with gramineous grass.
Second, energy feed
The nutritive value and digestibility of energy feeds are generally high, but seed coats, hard shells, and internal starch granule structure of seed feeds all affect the digestion, absorption, and utilization of nutrients. Therefore, this kind of feed must be processed before being fed so that it can fully exert its effect. The commonly used processing method is comminution, but the comminution cannot be too fine, and it is generally preferable to process particles having a diameter of 2-3 mm. After the energy feed is crushed, the contact area with the outside is increased, which is easy to absorb moisture and oxidize. Especially, the feed containing more fat is more likely to be deteriorated and should not be stored for a long time. Therefore, the energy feed should not be too much for each smashing.
Corn
Corn is mainly stored in bulk and is generally stored in silos. Storage time should not be too long. Maize that needs long-term storage can be stored in low-temperature storage or ventilated storage. After the corn is crushed, the gap is small, the air permeability is poor, the thermal conductivity is bad, and the temperature is high. Generally, it is difficult to store at 30-35°C. If the moisture content is slightly high, it is easy to agglomerate, mold, and bitter. Therefore, the freshly crushed corn should immediately be ventilated and cooled, and the stacking should not be too high. It is best to use the word well to facilitate heat dissipation and timely inspection and turning. Therefore, corn seed can be used for storage and crushed when ingredients are needed.
2. Cake
Due to the lack of protection of cell membranes in the diets of the pancakes, nutrients are easily exposed and infected with insects and bacteria. Therefore, special attention must be paid to pest control, moisture proofing, and mildew proofing during storage. Prior to storage, aluminum phosphide can be used to fumigate and disinfect with anthranilic acid. Warehouse matting should also be done well. It is best to use rammed material as the material at the end of the mat. The mat is dry and compacted. The thickness is not less than 20 cm. At the same time, the moisture must be strictly controlled, and the best control is about 5%.
3. Bran
Bran crushing loose, large pores, strong hygroscopicity, fat content up to 5%, it is easy to rancid or worms, mildew. The newly-opened bran temperature can generally reach 30°C. Before storage, the temperature should be lowered to 10-15°C before storage. During the storage period, it must be checked carefully to prevent condensation, mildew, worms, and moisture absorption. The storage period of bran should not exceed 3 months, and rancidity will be accelerated if stored for more than 4 months.
4. Rice bran
Rice bran has high fat content, poor heat conduction, strong moisture absorption, and is prone to heat and rancidity. When storing, you should avoid stepping on the pressure. The rice wares stored in the warehouse should be promptly inspected, diligently turned over, and grounded down. Attention should be paid to ventilation and cooling. The stability of rice bran storage is worse than that of bran. It is not suitable for long-term storage. It is necessary to promptly store new products and avoid losses.
Third, compound feed
There are many types of compound feed, including full-priced compound feed, concentrated feed, concentrate mix, additive premix, etc. Different types of feed, its storage time, requirements are also different.
1. Full price pellets
Due to the use of steam tempering or water extrusion, it can kill most of the microorganisms and pests, and the gap is large, the water content is low, and the gelatinized starch encloses vitamins, so the storage performance is better, as long as it is moisture-proof, ventilated and protected from light. Storage, no mildew in the short term, less damage to vitamins.
2. Full price powdered material
The surface area is large, the porosity is small, the thermal conductivity is poor, and it is easy to return to moisture. Fats and vitamins are exposed to air and are easily oxidized and damaged by light. Therefore, such feed should not be stored for a long time. Do not store in the factory for more than 2 weeks.
3. Concentrate feed
The feed is rich in protein and contains nutrients such as vitamins and various trace elements. Its poor thermal conductivity, easy to absorb moisture, microorganisms and insects easy to breed, vitamins vulnerable to heat, light, oxidation and other factors and the failure. Therefore, when it is stored, it should be placed in a dry and cold place. Anti-mould agents and antioxidants should be added to the concentrate to increase storage stability. Usually stored for 3-4 weeks, it must be sold or used in time.
4. Additive premix
Additives generally require storage at low temperatures, in dry, dark places. The packaging should be sealed; many mineral salts can promote the decomposition of vitamins, so mineral additives and vitamins should not be stored together; additive premixes to avoid oxidation to reduce potency, should be added antioxidants, such as BHT, ethoxy quinoline, etc.; Time has a direct impact on the potency of additives. Some vitamins add up to 5%-10% of their monthly losses. Their products should be fast-growing, fast-selling and fast-acting. Various additives are best used in a short period of time. Avoid long-term storage, not to purchase this year, only to use next year.
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