Nutritional value: Carassius auratus has the delicious taste of chicken, deer, cow, sheep and pig, so it is called "five delicious meats". It is not only delicious, high in protein and low in fat, but also a nourishing treasure containing various vitamins and trace elements, which can enhance the body's disease resistance and regulate the endocrine function of the human body, and is also a nourishing good product for improving the quality of breast milk and enhancing the immunity and intelligence of infants.
There are many modes of nailing fish ponds, but in order to achieve the good effect of saving money and healthy breeding, the following points must be met:
1, good heat preservation performance: heat preservation is one of the main conditions to ensure the yield of greenhouse culture. Whether it is electric heating, geothermal energy, factory waste heat or boiler heating, the purpose is to adjust the water temperature to the most suitable temperature for turtle growth.
2. Good lighting: The lighting of nail fish pond not only uses light energy to improve indoor temperature, but also can adjust water quality through light source, reduce diseases and improve survival rate.
3. Convenient water injection and drainage: The water used in greenhouses is often used when the water quality is too poor and needs to be changed. Try to keep it stable at ordinary times, and change water quickly and in a short time. Therefore, the water injection volume and displacement are very large.