The latest ecological aquaculture technology
In recent years, people pay more and more attention to food safety. Healthy and safe aquatic products are becoming more and more popular among consumers. In order to meet the needs of the market, we should also adhere to eco-healthy aquaculture. The main points are as follows:
1. Selection of breeding site
Scientific location, avoid toxic chemical pollution areas or pollution sources, and test and analyze the culture environment and water quality to determine whether it is suitable for aquaculture production.
2. Aquaculture water quality
Aquaculture water must conform to the national fishery water use standard "Water quality of Freshwater Aquaculture Water" (ny5051-2001), and ensure that the water source is clean and pollution-free. There are no pollution enterprises around the breeding site. In the process of culture, keep the water quality and fertility moderate, use circulating filtration water as far as possible, and use biological or environmental improvement methods to treat water quality if necessary, so as to reduce the discharge of aquaculture water to natural water bodies.
3. Farmed seedlings
Fertilized hatching or seedlings of wild original species or hybrids cultivated by breeding techniques must go through inspection and quarantine and meet the relevant standards before they can be used.
4. Feed feeding
Biological organic fertilizer was used to cultivate water quality, plankton, beneficial microorganisms and benthos were used as natural bait for farmed fish, and fishery compound feed was fed properly to make the waste organic matter realize a virtuous circle. The compound feed for fishing must meet the best nutritional needs and safety of the farmed object, and hormone drugs shall not be added or prohibited drugs shall be used.
5. Disease control
When drugs must be used, microbial preparations or pollution-free drugs with low toxicity, high efficiency and low residue are the first choice. According to the different ways of drug use, when selecting drugs and doses, we must comply with the provisions of the recommended catalogue and methods of use of fishery drugs (Agriculture and Fisheries Culture [2000] No. 17) of the Ministry of Agriculture, and reasonably determine the use period and withdrawal period of fishery drugs. to reduce drug residues in fish.
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