Precautions for storage of feed raw materials
Release time:
Mar 12,2019
(1) temperature, insects, insects in addition to bite, pollute the feed, but also cause the increase of temperature and humidity. Insects are very sensitive to temperature changes, when the temperature is 15. 5 ℃ or below, reproduction is very slow, or even stop; when the temperature is as high as 41 ℃ or above, it is not easy to exist. The most suitable temperature for insect reproduction is about 29 ℃, and the life cycle of insects is about 30 days, and the reproduction is very fast. Generally, when pests are found, fumigation can be used to disinfect and kill insects.
(2) humidity with the increase of humidity, mold rapid reproduction, so that the temperature and humidity in the warehouse are increased, followed by musty and sour taste appeared one after another, humidity to control in 65% is appropriate.
(3) light feed or nutrients often change due to light or accelerate its changes due to light, and light has a catalytic effect on feed changes. Light will cause fat oxidation, destruction of fat-soluble vitamins, protein is also denatured by light.
(4) Oxygen Oxygen in the atmosphere can oxidize fats, affect the biological value of proteins and destroy certain vitamins, not only affect nutrients, but also reduce palatability.
(5) microbial mold, bacteria, yeast may be due to environmental changes and rapid reproduction, reduce the use of raw materials, but also may produce toxins and cause poisoning.
(6) The properties of the raw material itself, such as fineness, pH value, integrity, uniformity, water content, maturity, etc., usually the water content of the raw material below 13% can inhibit the growth of most microorganisms, and below 10% can reduce the production of insects.
(7) Storage equipment, management insulation effect and storage period all affect the quality changes of feed raw materials during storage, and management includes pest control, ventilation, warehouse turning, first-in-first-out and other work.
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