The conversion of straw into biological feed offers numerous benefits. First, the production process is quick, typically taking 1 to 3 days during spring, summer, and autumn, and 3 to 7 days in winter. Second, it is not limited by seasons, allowing for year-round use. Third, it provides complete nutrition, has good palatability, and is easy to digest and absorb. The production method is as follows:
First, selecting the right straw. Different animals require different types of straw for their biological feed. For herbivores like cattle, sheep, horses, and donkeys, low-nutrient, high-fiber straws such as corn stover, rice straw, and wheat straw are suitable. For monogastric animals like pigs, rabbits, ducks, geese, and fish, materials with higher nutrient content and lower crude fiber and lignin, such as peanut shells, husks, rice bran, and wheat bran, are preferred. Regardless of the type of straw used, roots and soil should be removed first, and any moldy or spoiled parts should be discarded to ensure freshness.
Second, preserving the straw. After harvest in autumn, the straw should be dried, sorted, and compressed. It should then be covered with plastic or other waterproof materials to prevent moisture damage and allow long-term storage.
Third, producing biological feed for cattle and sheep. For bovine feed, the straw should be cut into 3–5 cm segments using a lawn mower, or rubbed into fine fibers with a kneading machine, and weighed at 75 kg on a clean concrete floor. Then, 0.5 kg of a transforming agent is dissolved in 75 liters of clean water (preferably 30°C in winter). The solution is sprayed onto the prepared straw, mixed in plastic bags or containers, compacted, sealed tightly, and stored in the shade. After anaerobic fermentation for 1–3 days (3–7 days in winter), a highly nutritious, easily digestible biological feed is produced. The feed should be yellow in color, have a strong aroma, and a tangy smell. It must be kept away from direct sunlight, as UV rays can kill beneficial bacteria and enzymes.
For sheep feed, the straw is crushed into 4–6 mm coarse powder or made into fluffy pieces using a kneading machine, and then processed following the same method as for cattle feed.
For pigs and ducks, it's best to use raw materials like peanut pods, soybean meal, rice bran, corn stalks, and peanut husks, which are ground into a fine powder of 30–40 mesh. The production method is similar to that of cattle and sheep feed.
Finally, for rabbits and fish, biological feed is usually granulated. If pelleting equipment is unavailable, the feed can be used in powdered form. This ensures that all animals receive balanced nutrition while making efficient use of agricultural byproducts.
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Squid, also known as soft fish and calamari, is an animal of the mollusk phylum Cephalopod, the subclass Ten carpals, the suborder of the eye-opening suborder of the mollusk. The body is cone-shaped, pale in color, with hazel spots, a large head, 10 tentacles in the front, and triangular fins at the tail end. It often swims in groups in the ocean about 20 meters deep.
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