When using a detoxification agent for cottonseed hulls and rapeseed cake, there are several key points to consider in order to achieve optimal results. First, the temperature should be maintained above 15–20°C, as slow fermentation at lower temperatures helps preserve nutrients and reduce the risk of spoilage.
Before starting the process, it's important to prepare the raw materials properly. Cottonseed hulls and rapeseed cakes should be chopped or crushed to increase surface area and promote even fermentation. It’s also crucial not to ferment protein-rich feeds like rapeseed cake or cottonseed cake on their own, as this can lead to uneven breakdown. Instead, they should be combined with energy sources such as corn flour to balance the fermentation process. Any spoiled or moldy materials should be removed before proceeding.
The detoxification agent should be used in a ratio of 2 parts per batch of cottonseed hulls and rapeseed cake. To ensure even distribution, it’s recommended to dilute the agent with rice bran, corn flour, or wheat flour. This helps mix the agent thoroughly with the feed and prevents clumping.
Moisture content is another critical factor. The ideal range is between 65–75%. A simple way to check this is by grabbing a handful of the material—if it forms a loose clump without dripping water and spreads out when released, it’s just right. If it's too wet, it may not heat up properly; if it's too dry, fermentation will be slow or incomplete.
During the fermentation process, the materials should be completely sealed to maintain anaerobic conditions, but avoid compacting them too much. If using airtight containers, it's advisable to place them inside a tightly sealed plastic bag for extra protection. Once sealed, do not open the container during fermentation. After the process is complete, the finished product should be resealed immediately after each feeding.
Once fermented, the product can be stored in small sealed bags, air-dried, low-temperature dried, or granulated for easier handling. When feeding, start gradually, incorporating up to 40–50% of the total feed for pigs or chickens. Always monitor the animals’ response and adjust the amount accordingly. By following these steps carefully, you can maximize the effectiveness of the detoxification agent and improve the quality of the feed.
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