Nutritional value of silver carp: It mainly contains water, protein, fat, ash and nitrogen-free extract. There are also calcium, phosphorus, iron, vitamin B 1, vitamin B2, vitamin PP and so on. With the growth and development of fish, the water content gradually decreased, while the protein and fat content gradually increased.

Nutritional value of silver carp: the nutritional composition of silver carp muscle changes with the change of body length and season, and its range of change is: water accounts for 60.3-80.9%, protein 15.3- 18.6%, fat 2.0-20.8% and ash1. The biochemical composition of fish muscle also changes with the growth and development of fish. When the water content gradually decreases, protein and fat gradually increase.

The differences are as follows:

1, poor fish head

The head of silver carp is relatively smaller than that of silver carp. The fish head of silver carp can account for more than 1/2 of the body.

2. Body color difference

Silver carp are all white scales without black spots. Silver carp has light black spots.

3. Abdominal differences

The abdomen of silver carp is angular, that is, there is an obvious crease in the center of the abdomen. The belly of silver carp is smooth and wrinkle-free.