Grass meal processing sheep technology

The straw is transformed into nutrient-rich grass powder, which sheep love to eat and helps them gain weight rapidly. Using grass powder as feed for sheep is a straightforward process that not only solves the issue of storing fresh feed but also enhances feed efficiency. Here's an in-depth look at the technology involved. First, the raw materials. Any non-toxic crop stalks, grain by-products, or cotton processing residues can be used as inputs. These materials need to be dried properly before processing to ensure quality. Second, crushing. The straw is processed through a hammer mill to produce grass powder with particle sizes ranging from 10 to 20 mm. It's important to crush grasses separately from legumes to maintain their individual properties for better processing later on. Third, fermentation. The crushed grass powder and legume powder are mixed in a ratio of 3:1. Warm water (30-40°C) is added to achieve the right moisture level—when squeezed, it should form a clump that easily breaks apart when released. This mixture is then stacked in a 40 cm thick square pile in a shaded area and covered with sacks. Once the internal temperature reaches 40-50°C and the fermented material develops a slight koji-like aroma, the fermentation is complete. A small portion of the fermented grass powder is kept as a starter for the next batch. To enhance nutritional value, 0.5–1 kg of salt and 0.5 kg of bone meal are added per 100 kg of grass powder. Additionally, 25–30 kg of cornmeal, bran, bean curd residue, carrots, cooked sweet potatoes, or potatoes are mixed thoroughly to create a balanced and nutritious feed. Fourth, feeding practices. (1) Grass powder should not be given to unweaned lambs; sheep over two months old can be gradually introduced to small amounts. (2) Non-pregnant ewes should be fed using clean troughs and in smaller, more frequent meals. (3) Fermented grass powder should be consumed within three months to prevent spoilage and maintain quality. This method not only improves the digestibility and nutritional content of the feed but also offers a sustainable solution for farmers looking to make the most of agricultural by-products. By following these steps, farmers can efficiently convert straw into high-quality feed that supports healthy livestock growth and reduces waste.

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