1, different characteristics: Tongwei 153 is characterized by high energy content and protein content in the feed, and animal protein materials such as fish meal and shrimp powder are added into the feed formula, which is expensive. Tongwei 18 1 is characterized by low protein and energy content in feed.
2. Different nutritional values: Tongwei 153 has high nutritional value, while Tongwei 18 1 has low nutritional value.
3. Different scope of application: Tongwei 153 is suitable for grass carp and crucian carp, and Tongwei 18 1 is suitable for four major fish.