Several Methods of Processing Straw Feed in Spring

Through investigating grass-roots animal husbandry, it was discovered that many livestock farmers in many towns and villages have a lot of crop straw reserves at home, but in the spring, they still rely on grazing outside to solve the problem of insufficient feed. The utilization rate of stocks of crops that can be stored can only reach 30%— 50%. Although crops such as crop stalks generally have poor texture and low nutrient content, their palatability and nutritional value are still very high after being properly processed. Now I will briefly introduce practical methods for making roughage from several straws. First, the physical processing of straw production of roughage 1, mechanical processing refers to the use of machinery to mashed, crushed or crushed roughage, which is the most simple and commonly used method of roughage utilization. In particular, the straw feed is relatively rigid, easy to chew after processing, reduce energy consumption, increase feed intake, and reduce feed waste during feeding. Practice has shown that chopped and comminuted feeds increase feed intake, but shorten the time the feed stays in the rumen, causing a decrease in fiber material digestibility and an increase in the rate of formation of volatile fatty acids and propionic acid in the rumen. Reduced rumination caused a decrease in the pH of the rumen. Feed nutrients are easily absorbed and so on. 2, chopped method is to use rake to shorten the roughage into 1cm-2cm. Straw is softer and can be slightly longer, while corn stalks are rougher and have nodules, preferably about 1 cm. 3, grinding method. Crude feed crushing can improve feed utilization and facilitate mixing of roughage. In particular, the roughage fed to cotton and goats in the spring should be crushed and the fineness of the crushed should not be too fine for rumination. The bottom diameter of the mill screen should be 8mm-10mm. 4, rub broken method. The crusher is a new product introduced in recent years. The straw feed can be rolled into a strip, which is especially suitable for the crushing of corn stalks. It can feed ruminants such as cattle and sheep. Straw crushing can not only improve the palatability, but also improve the utilization rate of feed. It is an ideal processing method for the utilization of straw feed. II. Salinization of Salted Straw Feed The salinization refers to the chopping, smashing and crumbled straw feedstuffs, which are fully mixed with 1% salt water and equal weight straws, then placed in containers or piled on cement floors. Covered with a plastic film and allowed to stand for 12 hours to 24 hours, it is naturally softened, which can significantly increase palatability and feed intake. Widely used in the northeast region, practice has proven to be effective. Third, the rapid fermentation of straw This method mainly uses yeast to disintegrate and crush the straw. Generally, the straw moisture should be adjusted to about 60%. After calculating the amount of water, the water is warmed to about 30°C. Then the bacteria species are mixed into warm water and evenly sprayed onto the crushed and chopped straw, and the straw is piled or Bagging fermentation for 12 hours - about 21 hours. This treatment method can significantly increase the protein content of straw and improve the digestibility of straw and the use of Nutrients in herbivores. The above methods are the simplest method for processing and processing roughage by straw processing, which is reliable, easy to use, non-toxic, and has no side effects.

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