How to preserve high-quality silage for a long time
Crop stalks, green manures, pastures, etc., accumulate in large quantities, and if they are improperly stored, they will rot and become moldy and cannot be used as a feed for livestock to cause a huge waste of resources. How to solve this problem? It is the silage that is made of green silage after processing.
Silage is actually a fermented feed for lactic acid bacteria. Natural silage is fermented by lactic acid bacteria present in nature. Since the content of lactic acid bacteria in natural plants is small, it only accounts for 0.01-1% of the total number of bacteria. Therefore, it is difficult for lactic acid bacteria to rapidly form a dominant flora during the fermentation process and it is not possible to reduce the pH value in a short time. The result: First, all kinds of bacteria are growing and multiplying so that the temperature rises rapidly, resulting in an extension of the preliminary fermentation period. Second, during the preparatory fermentation process, silage has caused a large amount of nutrient components and energy loss due to fever, and has also caused pungent odors and poor palatability. The third is the large number of mold and spoilage bacteria in the fermentation process, resulting in local mildew and rot in the silage, especially in the top, bottom and edge of mildew, rot and serious. Fourth, due to the presence of a large number of bacteria, it is easy to form secondary fermentation when the silage is opened, and new forms of mildew or mold will appear on the feeding section. If the situation is not good, it will cause a complete mildew and rot. Therefore, exogenously added lactic acid bacteria are commonly used in the world to improve silage quality.
The use of gold A baby silage starter contains high-quality yeast has been a variety of probiotics, can effectively improve the feed nutrient composition, improve feed palatability, fermentation auxiliaries can quickly consume the oxygen of silage, form an anaerobic environment, inhibit The growth and reproduction of harmful microorganisms makes silage extremely easy to succeed, and it is fast, reducing major losses and wastes such as raw materials, manpower and time caused by improper operation. It is the first choice for a wide variety of farmed farmers. How to better use exogenous silage starter to quickly and safely produce silage? Should pay attention to a good "four off"!
First, turn off the raw materials. First of all, attention should be paid to “harvesting silage materials at a proper timeâ€. Forage and other crops have very different nutritional values ​​due to different growth stages. Generally grasses should be harvested at the heading stage, and legumes should be harvested at the bud stage. Second, raw silage with higher sugar content should be selected. To make the lactic acid bacteria breed rapidly, it is generally required that the silage material has a sugar content of about 1% to 5% in order to facilitate the formation of a good silage environment. The legume grass has more protein and less sugar, and it is best dried in the sun for storage. Silage should be mixed with other green feeds with high sugar content to achieve good results.
Second, turn off the good water content. Appropriate moisture content is the key to the success of silage, generally suitable moisture content of 65% -75%, this time the most conducive to fermentation, while reducing the loss of dry matter. The judgment method is: grab a handful of material, hold it tight for one minute and release it. If the juice can be squeezed out, the moisture content is more than 75%. If it keeps its shape without water, it is 70%-75%. The grass ball has Elasticity and slowly loosening, it is 55-65%; grass ball immediately released, it is 55%; if pasture is broken, it is less than 50%.
Third, turn off "anaerobic". The anaerobic environment can promote the propagation of lactic acid bacteria, produce a large amount of lactic acid, inhibit the activities of other harmful bacteria, and help prevent the activity of green feed cells and reduce the loss of nutrients. In order to facilitate the formation of an anaerobic environment, the raw materials should be crushed or at least chopped, the auxiliary materials should be compacted, and the materials should be compacted and sealed immediately after the materials are taken. The pits should also be checked frequently to prevent air leakage.
Fourth, turn off the good operation. Dosage: One ton of silage raw material plus one kilogram of starter can be used. First mix the starter and corn flour in a ratio of 1:5, and then spread the starter mixture evenly on the silage layer with a thickness of about 20 centimeters. After the silage materials are fully loaded, spread the starter again. Mixture, then seal silage can be.
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