First, what are the requirements for the production of green pollution-free aquatic products? First of all, the breeding base must be certified. The most important one is that the atmosphere, soil, and water quality must meet the national standards for “safety and quality of agricultural products—environmental requirements for aquatic product production areas†and “freshwater aquaculture Water quality requirements of the Ministry of Agriculture; Secondly, it must be cultured in accordance with the pollution-free production technology operating procedures, from seed stocking to the use of feeds, fertilizers, fishery medicines and all other input products, to the fishing, storage and transportation of products. All aspects of quality inspection, packaging, and listing must meet the requirements of relevant standards or specifications; again, products must go through the spot inspection, fully qualified, and issued by a government-appointed authoritative quality inspection agency before they can enter the market for sale. II. Main modes for aquaculture of green pollution-free aquatic products (1) The artificial ecological environment aquaculture method is to artificially create a water area that meets the environmental conditions for the production of pollution-free aquatic products, and selects suitable aquaculture species for pollution-free culture based on principles of aquatic ecology. For example, the cultivation of shrimps and crabs with grasses has become one of the main modes for the development of pollution-free shrimp and crab cultivation and the construction of large-scale ecological breeding bases; the planting of grape or vine plants on the pond of fish ponds is used to build shade sheds. , has become a common type of frog ecological farming; fish, livestock, poultry, grass (vegetable) organic combined breeding method, that is, livestock, poultry, aquaculture and forage grass planting together, using non-environmental pollution feed animal husbandry , Poultry, fish, and pond grasses are reared to feed grasses to raise fish and livestock. Fertilizers from livestock and poultry are fermented in digesters and used as fertilizer for foragers and cultivators. In winter, fish ponds in Qingtang can be used as grasses. Basal fertilizer, thus forming a virtuous cycle of material flow, is the most classical artificial ecosystem breeding method in China, and it is also a form of development potential of pollution-free aquaculture. (II) Multi-species three-dimensional culture method Aquatic animals live in different water layers under the control of the food chain, forming a relatively stable ecological balance, which constitutes the diversity of organisms and plays an important role in the protection and improvement of the ecological environment. effect. Applying this principle to aquaculture production, a multi-species three-dimensional polyculture method has been formed. For example, a fish-breeding fish is the main fish and a certain number of fish and fish bones, cockroaches and cockroaches are mixed in the same pool. The multi-variety combination of the model is very reasonable: Feeding the commercial material with acridine red, the fecal matter they excrete can be used for cultivating plankton, and helium and cockroach filter-feeding plankton reduce the water quality, and the fish bone is Red mouth, leftover bait, detritus, and benthic organisms feed on the food, which helps clean the environment. Through the joint action of the cormorants, cormorants, and fish and fish bones, it not only purifies the water environment, but also promotes the growth of the main-cultivation variety, Crimson Red. If properly equipped with a bit of ferocious carnivorous fish (such as cockroaches, cockroaches, clams, cockroaches, etc.) in the system, the use of them to eat wild fish in aquaculture waters and fish bodies with poor or ill health can not only prevent The incidence of major breeding species and the spread of diseases can also reduce costs and increase income. (3) Open-water or micro-water aquaculture methods Our cold-water culture in Anji County is a common method. This method is mainly to use the natural fall of rivers and reservoirs for flow culture. Due to good water quality and excellent environment, supporting the use of non-hazardous feeds, and raising famous fish, as long as the stocking density is moderate, it is rarely sick. Therefore, it is not necessary to use drugs or very few drugs, and the products can usually meet the standards of pollution-free aquatic products. (4) The symbiotic and mutually beneficial breeding of aquatic products and crops in a specific aquaculture facility applies modern high-tech methods to multiply sterilize the breeding water body, warming oxygen, and feeding pollution-free feed so that the breeding object is always at the best In the living and growing environment, basically no disease occurs. Products are not only pollution-free, but also meet the requirements of green food. However, this breeding mode has the characteristics of high input, high output, and high risk. At present, it is only suitable for popularization and application in the surrounding areas of large and medium-sized cities and economically developed water-scarce regions. (5) In the past five years, the use of microbial preparations for culture has gradually been applied and promoted in aquaculture, which has provided strong protection for pollution-free and healthy aquaculture production. At present, more commonly used products are photosynthetic bacteria, Bacillus, Lactobacillus preparations, probiotics, Xi Fei Li, EM preparations. They can decompose the organic matter such as residual baits and fish manure in the water body, reduce the ammonia nitrogen content in the water, make the aquaculture water body cleaner, and thus improve the environment. At present, many turtle farmers in Huzhou are widely used. (6) When it is necessary to prevent and treat diseases in the production process during the withdrawal period, the country must use the fishery drugs allowed by the country, and it is necessary to strictly control the dosage. One month or more before the product is put on the market, stop using drugs to ensure that the product meets the requirements of pollution-free food standards. This method is one of the important methods for the development of pollution-free aquatic products. (vii) Natural ecosystem farming adopts unpolluted natural waters (such as lakes, reservoirs, rivers, etc.) and their natural baits, and breeds and breeds according to specific farming patterns, and basically does not feed or fertilize or sprinkle medicines. The goal is to produce green foods and organic foods. This is an important means of obtaining high quality aquatic products in the future. Thousand Island Lake in Zhejiang Province and the production of the Jinshuitan Reservoir are typical.
Blood System:
Blood system is also called circulatory system.
For the treatment of diseases of the circulatory system:
According to the American Heart Association, cardiovascular disease is the leading cause of death in the United States. Because of its vastness and critical nature, it is one of the systems of the body most prone to disease.
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One of the most common diseases of the circulatory system is arteriosclerosis, in which the fatty deposits in the arteries causes the walls to stiffen and thicken the walls. According to the Mayo Clinic, the causes are a buildup of fat, cholesterol and other material in the artery walls. This can restrict blood flow or in severe cases stop it all together, resulting in a heart attack or stroke.
Stroke involves blockage of the blood vessels to the brain and is another major condition of the circulatory system, according to Mitchell Weinberg of the North Shore-LIJ Health System. [Risk factors include smoking, diabetes and high cholesterol," he noted.
Another circulatory disease, hypertension - commonly called high blood pressure - causes the heart to work harder and can lead to such complications as a heart attack, a stroke, or kidney failure, the NLM noted.
An aortic aneurysm occurs when the aorta is damaged and starts to bulge or eventually tear, which can cause severe internal bleeding. This weakness can be present at birth or the result of atherosclerosis, obesity, high blood pressure or a combination of these conditions, according to Weinberg.
Peripheral arterial disease (also known as PAD) typically involves areas of narrowing or blockage within an artery, according to Jay Radhakrishnan, an interventional radiologist in Houston, Texas. In addition, chronic venous insufficiency (also known as CVI) involves areas reflux (or backward flow) within the superficial veins of the lower extremities.
PAD is diagnosed with noninvasive testing including ultrasound, CT scan, and/or MRI. Ultrasound is the least expensive of these methods, but also gives the least amount of detail, as CT and MRI show a much higher degree of anatomic detail when identifying areas of narrowing/blockage within an artery. CVI is diagnosed with ultrasound as the venous reflux can be measured accurately by ultrasound, which ultimately guides treatment.
Blood System
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