Reduce the moisture content in the feed and control the relative humidity of the storage environment. Most molds have a relative humidity of around 75%. When the relative humidity reaches 80%-100%, the growth rate of mold will increase. Therefore, the preservation of feed in the spring and summer must be moisture and moisture, keep the feed in a dry environment, control the relative humidity is not higher than 70%, in order to meet the anti-mildew requirements, and timely turning feed ingredients in order to control the moisture content. The general grain moisture content is below 13%, corn is below 12.5%, and peanut kernels are below 8%. Moulds are not suitable for propagation. This moisture content is also called safe moisture. The key to anti-mildew measures for cereal feeds is to rapidly reduce the water content to a safe moisture level within a short time after harvest. The range of safe moisture for various feeds is not the same. In addition, the safe moisture is also related to the storage temperature, and the two are negatively correlated.
temperature control
The control of the storage temperature of the feed within the range in which the mold is unsuitable for growth can also achieve the effect of mildew prevention. The natural low temperature method can be used, that is, reasonable ventilation at proper timing and cooling with cold air; freezing storage method can also be used to separate the feed. Heat sealed, cryogenic or cryopreservation. Low temperature mold must be combined with drying and mildew prevention measures to achieve the best results.
Change the content of raw material storage space
The growth of mold requires oxygen. As long as the oxygen content in the air reaches more than 2%, the mold can grow very well. Especially in the case of air circulation in the warehouse, the mold grows more easily. Therefore, the purpose of mildew prevention can also be achieved by changing the oxygen content of the raw material storage space. Atmosphere adjustment Mildew prevention usually uses oxygen or gas filled with carbon dioxide, cyan gas, so that the oxygen concentration is controlled below 2%, or the carbon dioxide concentration is increased to more than 40%.
Prevent insect bites and rodents
Use machinery and chemical control methods to treat pests stored in the granary, and pay attention to the prevention of rats, to reduce mold damage caused by mold propagation due to insect pests or rat bite damage.
Application of anti-mold agent
The processed feed ingredients and compound feeds are extremely prone to mildew, so mildew can be used to control mildew during processing. Common anti-mold agents are organic acids and their salts, of which propionic acid and its salts are the most widely used.
In short, in the spring and summer season, large-scale pig farms must do a good job in prevention and control of moldy mildew, and must do the following: 1. Control the moisture content of raw materials, keep the environment dry, and handle feed ingredients with excessive water content in time; Select the proper feed storage place. The bottom layer of feed should be separated by planks. The stacking height should not be too high to ensure that the warehouse is ventilated, cool and dry. 3. Periodically monitor the moisture and mould during the storage of raw materials and find abnormalities. Measures should be taken in time; 4. Train the relevant management personnel on the farm to raise the awareness of the harm caused by the toxins to the pig production and fully prevent the mycotoxin prevention work so as to ensure the smooth production of the farm and the benefit of the farm. achieve.
Web-based Cloud Server Attendance Software
Web Based Attendance System,Cloud Based Attendance System,Time Attendance System Software,Cloud Based Time And Attendance Software
GRANDING TECHNOLOGY CO LTD , https://www.grandingsecurity.com