Introduction to aquaculture introduction to aquaculture

1. Aquaculture refers to the waters that can be used by human beings for breeding (including planting). According to the ecological habits of breeding objects and the requirements of water environment conditions, aquaculture technology and facilities are adopted to engage in aquatic economic animal and plant breeding. It is one of the agricultural production departments.

2. According to the different nature of waters, it can be divided into marine aquaculture and freshwater aquaculture. According to the object of cultivation, it is divided into fish, shrimp, crab, shellfish, algae, lotus, lotus root and so on. Aquaculture in China has a long history. As early as BC 1 142 (late Yin Dynasty and early Zhou Dynasty), pond culture was already known. Around 460 BC, Fan Li wrote The Classic of Fish Culture, which is the earliest fish culture document in the world. After the founding of New China, by vigorously transforming and utilizing all the waters and potential waters available for aquaculture, the aquaculture area will be expanded and the output per unit area (water body) will be increased; Open up new fields and new ways of aquaculture, develop industrialized, mechanized, high-density warm water, cages (including multi-layer cages), artificial reefs, three-dimensional and inter-polyculture, develop in the direction of intensive management, and tap the production potential of aquaculture; Protecting aquatic resources and ecological environment, aquaculture has achieved rapid development.