The fastest growing month of silver carp is April-June every year, followed by September-65438+1October, in which July-August is the high temperature season, and the growth rate of silver carp slows down obviously. Their growth shows seasonal changes in years according to the changes of water temperature and climate, and the growth rate of silver carp is different in different regions.
The breeding cycle of silver carp is about 2 years. Under the normal culture mode, the fry in the first year can grow to 3-5 ounces, and the adult fish in the second year will weigh between 2-3 kilograms. In natural rivers, lakes and other waters, silver carp can usually grow to more than 10 kg.
How to breed silver carp? During the period of silver carp culture, it is necessary to patrol the pond once a day to observe the water color and the growth state of the fish, clean up weeds and corrupt debris in the water in time, clean and disinfect the dining table, inject fresh water and fertilize regularly to keep the water quality fresh and balanced.
The life habits of silver carp are tame, they don't like jumping, they are filter feeders, and they like to eat plankton such as rotifers, cladocera and copepods. When they reach sexual maturity, they will lay eggs in the river. In winter, the water level of the lake begins to drop, and silver carp will return to the deep water area of the river for the winter.