Nowadays, the feeds sold on the market are not only less nutritious, but some unscrupulous merchants even add some auxiliaries to the feed. Therefore, in order to allow the livestock to grow healthily and safely, you can only use your own hands to ferment the feed. The straw left by us can also be used as feed to ferment, and the effect is very good. Let's look at the technology of straw fermentation.
First, the significance of using straw resources
Straw for feed can promote material transformation and benign circulation. Crop straw is an important agricultural resource. As a by-product of agricultural production, it has the characteristics of large output, wide distribution, and stable supply and should be used rationally. In recent years, with the improvement of people’s living standards and changes in dietary structure, the demand for meat, eggs, and milk has grown rapidly, which has promoted the rapid development of the aquaculture industry and provided a strong driving force for the feed processing industry.
Straw processing and utilization can improve the environment and promote the use of value-added resources. Straw processing is used for cattle feed utilization, which effectively reduces and eliminates open burning of crop stalks and eliminates hidden dangers caused by burning of straw. It will help improve the atmospheric environment, promote the use of resources, increase the added value, and be conducive to the improvement of social production and people's living standards.
Second, the corn straw silage method
1. Build silo (pool): The silo should be selected where there is high topography, dryness, good drainage, hard soil, sheltered from the sun, no fecal field, and wind direction in the livestock house. It is advisable to construct a ground-type silo (pool), which is mainly for easy access and management. The size of the pits (pools) depends on the size of the farming and the amount of storage. Generally, it is appropriate to store 5m3 of each adult cow for 200 days per year (fed in the winter and spring, and mainly in summer and autumn for grazing). The height (depth) of pits (pools) is preferably 2-2.5 meters. The length and width should be determined according to the scale of farming. Generally, the bottom is narrow and the upper mouth is wide. The building structure is made of brick concrete, concrete, and stone barriers to prevent leakage.
2. Storage: According to the "chopping, quick installation, compaction, sealing" eight-character operation essentials for storage.
3. Access: After 45-60 days, you can open the cellar feeding animal. When opening the cellar, the cross-section shall be taken from top to bottom layer by layer. Do not turn it freely so as to prevent the air from entering the material and making the silage mildewed. According to the actual amount of feeding.
Third, straw ammoniated feed production technology
1. Principle of ammoniation
Straw ammoniated feed uses ammonium hydroxide to treat the straw, and alkali and ammonia are used for alkaline hydrolysis and ammonia hydrolysis to destroy the ester bond between the wood and the polysaccharide and increase the digestibility of the straw.
2. Ammonia raw materials
Mainly yellow corn stalks, raw materials should be fresh and clean, no mildew substances. The moisture content is required to be 20-40%, straw crushed or short 2-3 cm.
In view of the above, the growth of livestock security has only been a difficult job for farmers, so the straw fermentation feed is not only healthy and nutritious.
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