Feed starter (skillfully used as residue for mushroom feed)

With the rapid development of the mushroom industry, a significant amount of waste—commonly referred to as "mushroom scum" or "bacterial culms"—is generated during the cultivation process. These residues are often discarded and pile up in large quantities, posing serious environmental and economic challenges if not properly managed. Improper disposal can lead to pollution, harm surrounding communities, and result in substantial losses for farmers. However, what is considered waste is actually a valuable resource that has simply been misplaced. Mushroom scum is rich in nutrients and can be transformed into high-quality feed or organic fertilizer through proper fermentation. The nutritional composition varies depending on the type of fungus and the main substrate used, but generally includes around 8% crude protein, 0.8% crude fat, 17% crude fiber, and 40% nitrogen-free extracts. It also contains essential minerals such as calcium, zinc, copper, phosphorus, iron, and magnesium. After harvesting, the remaining parts of the mushroom—such as the stipes, mycelium, and bacterial cultures—contain valuable components like bacterial proteins, polysaccharides, and other bioactive substances. Their nutritional profile is comparable to that of mushrooms and rice bran. Unfortunately, these materials are often wasted instead of being utilized effectively. By using a goldfish feed starter, you can easily turn this waste into nutritious animal feed. The process is straightforward: mix the scum with the fermentation agent in the right proportions, seal it, and let it ferment for three days. The resulting feed can be used for pigs, chickens, cattle, and other livestock. Studies have shown that feeding piglets with this fermented feed can increase their average daily weight gain by about 15%. For example, in a 100-day fattening period, each pig can generate an extra income of over 80-100 yuan. Additionally, feed costs can be reduced by 40-50%, saving approximately 60 yuan per pig. This not only improves profitability but also promotes sustainable farming practices by reducing waste and maximizing resource utilization.

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