39results about How to "Prevention of fish disease" patented technology

The invention relates to a device for temporarily culturing caught finless eel in circulating water. The device is characterized by comprising a box, wherein the inside of the box is layered vertically to form a plurality of culture chambers, upper ends of the culture chambers are opened, and bottom surfaces of the culture chambers are perforated plates or grid plates; a water purification treatment system is arranged at the bottom of the box and comprises at least three overflow purification areas; a guide plate (6) is arranged below the bottommost culture chamber and introduces water flow into the first overflow purification area, and a biological filter material is arranged in the first overflow purification area; and a cooler (7) is further arranged in one overflow purification area, a water pump (1) is further arranged in the last overflow purification area and communicated with a water pipe (2), the water pipe (2) is then communicated with branched water pipes (4), and the branched water pipes (4) extend above the culture chambers respectively and spray water mist on the culture chambers through a plurality of spray headers (5) on the branched water pipes (4).

The invention provides a water treatment system for aquaculture. The system comprises a floating platform, an aquaculture water tank, a circulating water pump, a filtering and separating device, fans,a water tank bottom purging system and a biochemical filtering pool, wherein the biochemical filtering pool is connected with the filtering and separating device through a pipeline; the aquaculture water tank is embedded in the floating platform; the circulating water pump comprises a deepwater submersible pump and a surface water submersible pump; the filtering and separating device comprises amicrofiltration machine and a protein separator, the microfiltration machine is connected with the deepwater submersible pump through a pipeline, the protein separator is connected with the surface water submersible pump through a pipeline, and the fans are connected with the water tank bottom purging system in the aquaculture water tank, the protein separator and the biochemical filtering pool through pipelines respectively. According to the water treatment system for aquaculture, aquaculture water and pond water are separated, the aquaculture system is subjected to life support treatment with circulating water, the aquaculture water is purified and flows into a pond for secondary purification, then the water is circulated in the aquaculture water tank, so that water resource is recycled,the purification effect is ideal, and dynamic balance of water is realized.

The invention discloses a detection reagent kit of aeromonas bacteria, which comprises a primer pair 1 with a sequence shown as SEQ ID No. (sequence identification number) 1-2, which is used for amplifying genes from the aeromonas bacteria. The invention further discloses a detection method of the aeromonas bacteria. With the adoption of the detection reagent kit and the detection method, the aeromonas bacteria can be detected accurately and effectively; the specificity is good; the sensitivity is high; consumed time is short; the detection is quick; the reagent kit and the detection method can be applied to quick detection and forecast of a culture water body; fish diseases are prevented; and the economic benefit is improved.

The invention discloses a mandarin fish feed and a preparation method thereof. The mandarin fish feed is prepared from the following components in percentage by weight: 50-70% of white fish surimi, 10-20% of bean powder, 2-5 parts of yeast powder, 1-5% of multivitamin mineral salt, 1-5% of a growth promoter and 1-5% of antibiotics. The preparation method of the mandarin fish feed comprises the steps of crushing, mixing, stirring and pelletizing. The multi-vitamin mineral salt, the growth promoter and the antibiotics are added to the feed; the granulated feed obtained by pelletizing, curing and drying is convenient in feeding, is capable of effectively ensuring the nutritive value of raised mandarin fishes, improving the production speed of the mandarin fishes and effectively preventing fish diseases, and has advantages of high survival rate of the mandarin fishes.

The present invention discloses a special feed for osteoglossum bicirrhosum and a preparation method and an application thereof. A variety of raw materials are used to prepare the special feed for the osteoglossum bicirrhosum. Freeze-dried shrimp powder is processed by using a special freeze-drying technology. The preparation method maximally preserves the nutrition and flavor of the natural shrimp powder and the shrimp powder is purely natural food attracting ingredients for carnivorous ornamental fish. As a key accessory ingredient, the freeze-dried shrimp powder is added according to a specific ratio, has functions of regulating appetite and attracting food, is good in rehydration effects and promotes the digestion of the osteoglossum bicirrhosum. Compared with commonly used chemical attractants in the feed market, the natural freeze-dried shrimp powder is safe and hygienic, and free of any side effects. The application of the technology is an industry innovation.

The present invention relates to a growth promoting and disease preventing compound feed for aristichthys nobilis. The feed comprises the following raw materials in parts by mass: 12-15 parts of corn, 16-20 parts of flour, 16-20 parts of shrimp powder, 16-20 parts of rapeseed meal, 8-11 parts of fishmeal, 1-3 parts of wall broken yeast powder, 1-2 parts of radix astragali powder, 1-3 parts of spirulina platensis powder, 0.5-1 part of edible salt, 3-5 parts of carrot powder, 2-5 parts of water flea powder, 1-3 parts of fish oil, 2-5 parts of liquorice powder, 0.5-1 part of vitamin C, 2-4 parts of haw kernel powder, and an appropriate amount of water. According to the growth habits and physiological characteristics of the aristichthys nobilis, the feed targetedly provides the nutrients suitable for the growth of the aristichthys nobilis, promotes development, increases appetite, achieves rapid growth of the aristichthys nobilis, improves disease resistance of the aristichthys nobilis, prevents diseases of the aristichthys nobilis, and reduces the incidence of the diseases.

The invention discloses special feed for crab breeding and a preparation method thereof. The special feed for crab breeding is prepared from the following raw materials in parts by weight: 10-20 partsof fish liver oil, 8-10 parts of citric acid, 4-12 parts of bee glue, 4-16 parts of glucose, 2-4 parts of vegetable oil, 4-6 parts of songaria cynomorium herb, 4-10 parts of bamboo worms, 8-10 partsof shrimp meat, 6-8 parts of licorice roots, 50-58 parts of tiny fish, 2-6 parts of perilla leaves, 10-12 parts of barley grass, 8-10 parts of cane shoots, 1-3 parts of compound amino acid, 4-6 partsof scallop muscle, 8-16 parts of honeysuckle flowers and 2-18 parts of beer yeast. The special feed for crab breeding is prepared by the following steps: powder preparing, mixing, granulating, curingand drying. The special feed for crab breeding contains rich nutritional components, provides sufficient nutrients for crabs, has an effect of improving meat quality, increases the development rate ofthe crabs and shortens the growth cycle of the crabs; and meanwhile, the special feed for crab breeding is prepared by a granulating mode, is convenient to feed, can effectively ensure the nutritional value of the fed crabs, effectively prevents fish diseases and has the advantage of high survival rate of crabs.

The invention relates to a growth-promoting and disease-preventing compound feed for crucian carps The growth-promoting and disease-preventing compound feed for the crucian carps comprises the following raw materials in parts by mass: 12-15 parts of wheat starch, 26-30 parts of flour, 15-20 parts of shrimp meal, 10-12 parts of mung bean powder, 7-10 parts of meat and bone meal, 1-3 parts of wall-broken yeast powder, 1-2 parts of radix astragali powder,1-3 parts of spirulina powder, 1-2 parts of edible salt, 3-5 parts of carrot powder, 2-5 parts of water flea meal, 1-3 parts of fish oil, 2-5 parts of liquorice root powder, 1-2 parts of vitamin C, and an appropriate amount of water. The compound feed disclosed by the invention provides nutrients suitable for growth demands of the crucian carps in a targeted way according to the growth habits and the physiological characteristics of the crucian carps, so that the compound feed is capable of promoting development of the crucian carps. The compound feed is capable of increasing appetite of the crucian carps so as to realize rapid growth of the crucian carps. Moreover, the compound feed is also capable of improving disease resistance of the crucian carps so as to prevent fish diseases and reduce disease incidence rates.

The invention discloses turtle feed. The turtle feed is prepared from the following raw materials in parts by mass: 20-30 parts of puffed bean meal, 10-20 parts of sugar beet pulp, 5-8 parts of corn protein powder, 20-30 parts of dry powder of animal viscera, 5-10 parts of fishmeal, 3-5 parts of rape oil, 0.5-1 part of mannitol, 0.2-0.3 part of vitamins, 0.1-0.3 part of amino acid, 0.2-0.5 part ofbiological enzyme, 1-1.5 parts of EM bacteria, 1-2 parts of wild chrysanthemum flowers, 1-2 parts of honeysuckle flowers, 1-2 parts of garlic powder, 1-2 parts of pine needle meal and 1-2 parts of chili powder. The feed disclosed by the invention contains rich nutrients, has good palatability and low feed cost, contains common traditional Chinese medicine components and can effectively prevent occurrence of turtle diseases.

The present invention discloses a feed for breams. The feed is prepared from the following raw materials in parts by mass: 20-40 parts of fishmeal, 20-25 parts of soybean meal, 15-20 parts of rapeseedmeal, 10-20 parts of coarse bran, 10-15 parts of fruit and vegetable powder, 3-5 parts of vegetable oil, 1-3 parts of perilla frutescens, 1-3 parts of Chinese pulsatilla roots, 0.1-0.2 part of multi-vitamin, 0.3-0.5 part of multi-mineral, 0.1-0.3 part of edible salt and 1-2 parts of compound premixes. The feed is rich in nutrients, good in palatability and low in feed costs, contains the common traditional Chinese medicinal ingredients, and can effectively prevent occurrence of fish diseases.