1. The quality of expanded soybean meal is better than that of soybean meal. Expanded soybean meal is an expanding process after soybean is crushed. The main purpose is to improve the extraction of oil and improve the quality of soybean meal (low urinary enzyme activity).

2. The puffed soybean meal tastes more fragrant than soybean meal. Expanded soybean meal is more expensive than ordinary soybean meal, but it tastes more fragrant.

3. Expanded soybean meal is more digestible than soybean meal. Expanded soybean meal is a by-product of extracting soybean oil. After soybean puffing, the oil yield can be improved, and at the same time, the anti-nutritional factors in soybean meal can be destroyed, and the digestibility of nutrients can be improved.

4. The palatability of expanded soybean meal is higher than that of soybean meal. However, amino acids are destroyed to some extent after high temperature treatment, so we must pay attention to the comprehensive collocation of nutrition in application.

5. Expanded soybean meal has good stability in water. Generally, it does not dissolve within 2 hours, and some of them can last for more than 10 hour.

6. Expanded soybean meal is more convenient to manage, prevents waste, reduces water pollution, has high utilization rate, long shelf life and high energy, and is more suitable for shrimp and crab breeding.