1. Keeping the temperature and dryness The long-term storage of feed additives must be done at low temperature and dry conditions. When the storage temperature is 15 to 26°C, the unstable nutritive feed additive gradually loses its activity, and the summer temperature is high and the loss is even greater. When big. When the temperature is 24°C, the stored feed additive can lose 10% per month, and at 37°C, the loss is up to 20%. Dry conditions are also important for storing feed additives. When the air temperature is high, the feed is easy to mold. Due to the proliferation of various microorganisms, general feed additives absorb water easily and form a layer of water on the surface of additives, which accelerates the degeneration of additives. 2. The melting point, solubility, and pH of the feed additive have an impact on storage and storage: feed additives with low melting point are easily decomposed due to low content in the liquid state: Some feed additives are sensitive to pH, and in a more humid environment , The feed additive particles are very easy to form a layer of wet film, so the government produces a certain degree of acidity, affecting the feed additive stability. 3. Effect of storage period and particle size on the quality of feed additives: The stability of fine-grained feed additives is poor, and with the prolonged storage time, it can cause greater losses. Vitamin feed additives have a natural monthly loss of 5 to 10% even when they are stored at low temperature and dry conditions. Therefore, for any kind of feed additive, due to high pressure, particles may be deformed, or microscopic film may be formed on the surface of adjacent components after the pressurization to increase the exposed surface. Will accelerate the decomposition. 4. Add antioxidants, fungicides, reducing agents, stabilizers: In order to avoid the occurrence of similar ferrous sulfate, ascorbic acid, sulfite reduction, sugar, iodine, etc., resulting in the oxidation or reduction of some feed additives, destroy its solid and effective imitation, It is necessary to add appropriate amounts of antioxidants and reducing agents to the added feed. Because the feed is prone to deliquescence in a humid environment and mildew occurs in microorganisms such as bacteria and molds, it is necessary to add an appropriate amount of an antifungal agent to the feed. Different stabilizers have different effects on additives. For example, comparing capsule vitamins to fat vitamin A, when stored at a humidity of 70% and a temperature of 45° C., the loss of vitamin A potency of cod liver oil is greatest after 12 hours, and the potency of capsules remains the highest. China Agricultural Network Editor
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