Ways and processing methods for crude feed

LIMA Fish Feed Machine,Chicken Feed Machine

Fresh pastures, feed crops, hay and silage-based hay and silage-produced hay and silage are generally good, with high nutritional value, and livestock can be fed directly. Low-quality crude feed resources such as straw, housings, pods, bamboo shoots, etc. In order to obtain better feed effects, th low-quality coarse feeds are often made of appropriate processing and treatment in production practice. The method of processing processing can be divided into physical processing and processing, chemical treatment, biological treatment and composite treatment.
Direct feeding
This is a common way and the most original way of crude feed utilization. For some quality, high-quality rough feed, such as high-quality gramy hay, bean hay, mulberry leaves, beer s, taste fine slag and beet slag, etc., due to its own nutritional value and availability, even without any processing, It can also obtain good feed effects directly from rumina. Therefore, th feeds are often fed in direct feeding, or fed separately after proper matching with other feeds, rarely processing.
Processing and treatment feeding
The modulation of hay and silage also belongs to the processing treatment of feed, but its purpose is mainly to save feed and cannot improve the nutritional value of pasture or feed crops. The machining and treatment described here is mainly to increase feed nutrition, improve feed nutritional value.
Physical processing
Physical treatment is mainly to change the shape of crude feed by processing methods, but does not change the chemical properties of crude feed. Physical treatment mainly includes the following methods:
(1) Mechanical processing such as eucalyptus, smashing and pulverizing. This is the easiest and common method of coarse feed processing. After the processing is treated, it is easy to chew, reduce energy consumption, improve the feeding capacity, and reduce straw waste. However, the processing treatment has no significant effect on the digestive rate of the crude feed, and if the crush is too thin, the digestibility will be reduced. Tests show that cutting and pulverized feed can increase feeding, but shortened the time of the feed in the rumen, which causes the fibrous material digestibility, and the proportion of volatile fatty acid generation in the rumen is increased, causing the proportion of propionic acid Reduced ruminance, resulting in a decrease in pH in the rumen.
Bumbrid: Using the mower to cut the crude feed into 1 cm ~ 2 cm, the straw is soft, can be slightly longer, and the corn straw is relatively hard and nodules, which is 1 cm. When the corn stalk is sicked, the martial plane should be chopped so as to step on it.
Crushing: Crude feed is pulverized to increase feed utilization and easy mix mix mixing. The crude feed of feeding in winter and spring should be smashed. The fineness of the smash should not be too fine to row. The pore size of the pulverizer is preferably 8 mm to 10 mm. If it is used as a hay powder with the feed of the feed, it should be pulverized into a flour to stir well. If the grass powder of the pig feed should be capable of separating 0.2 mm to 1.0 mm diameter screen.
Strue: Crushed machinery is a new product launched in recent years. In order to adapt to the characteristics of rumizers to crude feed, the straw feed is scored, especially suitable for corn straw, and feeding cattle sheep. Camel and other rumina. Straw smash not only improves the right level, but also improves the feed utilization, which is the ideal processing method of current straw feed utilization.
(2) Hot processing such as cooking, expansion, etc. Cooking can be soften the crude feed and improve its right level and feeding. Puffing is a method of suddenly bucking the fibrous structure after using high pressure water vapor treatment to destroy the fiber structure. The study found that the puffed treatment has chemically effectively, and the puffed can increase the soluble ingredient to low molecule and decompose the structural carbohydrate. Therefore, after the expansion treatment under suitable conditions, the improvement of the abdomen digestibility is large. However, this processing technology requires special equipment input, and the energy consumption is large, the processing cost is higher, so it is difficult to promote application in production.
(3) salting salt is referred to as a straw or pulverized straw feed, with a 1% salt water, fully stirred with equal weight straw, put into the container or stack on the cement floor, plastic film Coverage, laying 12 hours to 24 hours, making it naturally softened, which can significantly improve admissibility and feeding. Widely used in the northeast region, good results.
Other processing such as molding, radiation treatment, and the like. Through a particular processing machine, crude feed is pressed into particulate or small blocks, and the crude feed density can be improved, which is conducive to the storage and transportation of crude feed, especially straw feed, and improves premium and democulism, reducing feeding process. waste. The water-soluble ingredie in the crude feed can be increased by irradiation treatment (such as gamma rays), and the crude feed is increased, but the irradiation treatment is difficult to enter practical use.
Chemical treatment
The effect of chemical treatment is often superior to simple physical treatment, and the desired equipment investment and processing cost is generally lower than physicity. The most common and effective method in chemical treatment is basic treatment, ammonia treatment, ammonia / alkali composite treatment and acid treatment, which can effectively improve the feed and digestibility of straw feed.
(1) Amination treatment ammonia treatment straw feed began in the 1970s. When the straw feed protein content, when encountered with ammonia, its organic matter is abolished with ammonia, destroying the lipid bond between the lignin and the polysaccharide (cellulose, hemicellulose) chain, and forms an ammonium salt, beco a beef and sheame Nitrogen source of inner microorganisms. At the same time, ammonia is soluble in water to form ammonium hydroxide, and the crude feed is alkated. Therefore, the ammonia treatment is a dual role of the ammonia to improve the nutritional value of straw. After the straw is abandoned, the crude protein content increases by 100% to 150%, the cellulose content is 10%, and the digestibility of organic matter is increased by 20%, which is a good coarse feed of Niu Sheep. The quality of the ammonia feed is favored by the stalk feed itself, ammoniaThe species and ammonia methods are affected by many factors. There are many kinds of ammonia, and more liquid ammonia abroad will have special equipment, factory-processed or mobile services. The majority of rural areas of urea and ammonium carbonate are used in my country. Near the chemical plant, ammonia is inexpensive, and can also be used as ammonia sources. Since the ammonia feed production is simple, the nutritional value of feed nutrition is significantly significant. In recent years, my country has been widely a ted. In the late 1980s, China has been promoted, and the number of production per year reached 21.5 million tons.
(2) Alkalized treatment of alkaline substances can enable the bonding of the hydrogen bonded in the feed fibers to be weak, so that the linkage of cellulose molecules and cellulose in the cellular wall is weakened. Dissolved hemorrulose, which is conducive to the digestion of rumina to feed, and increase the digestibility of crude feed. At prnt, there are two main sodium hydroxide treatment and lime treatment. The sodium hydroxide has a better treatment, but the cost is relatively high, and the risk of environmental pollution is large; the cost of lime treatment is low, and the risk of environmental pollution is small, but the treatment effect is poor than sodium hydroxide.
Sodium hydroxide treatment early in 1921 German chemist Bakerman first proposed “wet treatment””

Please feel free to give your inquiry in the form below. we will reply you quickly!

    LIMA Machinery