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213 results about "Conch" patented technology

Conch (/kɒŋk, kɒntʃ/) is a common name applied to a number of different medium to large-sized shells. The term generally applies to large snails whose shell has a high spire and a noticeable siphonal canal (in other words, the shell comes to a noticeable point at both ends).

Composite type artificial algal reef

The invention discloses a composite type artificial algal reef comprising a mature algal reef and a seedling reef. The mature algal reef comprises a solid base. The upper surface of the solid base is embedded with a metal frame, wherein the shape of the metal frame is identical to that of the upper surface of the solid base and the size of the metal frame is identical to that of the upper surface of the solid base. A conch net bag is arranged in the metal frame. The center of the upper surface is embedded with a metal stand column. A steel ring is welded to the upper end of the stand column. A plurality of seedling ropes are fixed between the metal frame and the steel ring. The seedling reef is fixed to the side face of the solid base of the mature algal reef, and algal seedlings are attached to the seedling reef. By the adoption of the composite type artificial algal reef, the attaching effect of alga is guaranteed, the repair period of an algae field is shortened, the success rate of repair and reconstruction of the algae field is improved, the adhesive rate of the seedlings is increased, and the seedling reef is firm, durable, small in size, light, and convenient to carry; the net bag made of waste conches is placed in the metal frame, and a biophile reef can be composed through diffusion and attachment of spores of fronds on the seedling ropes; resource utilization of the waste conches is achieved, and composite type artificial algal reef has the advantages of being economical and easy and convenient to use.
Owner:SHANGHAI OCEAN UNIV

Heat-clearing sunstroke prevention chicken feed and preparation method thereof

The invention discloses a heat-clearing sunstroke prevention chicken feed and a preparation method thereof. The heat-clearing sunstroke prevention chicken feed comprises the following raw materials by weight: 40 to 50 parts of manioc residue, 23 to 25 parts of wheat bran, 15 to 20 parts of cabbage residue, 35 to 40 parts of sweet potato residue, 2 to 4 parts of onion, 4 to 5 parts of needle mushroom, 5 to 7 parts of modified honeysuckle, 3 to 4 parts of spina date seed, 5 to 7 parts of lotus root, 2 to 4 parts of brown sugar, 0.05 to 0.06 part of magnesium sulfate, 1 to 3 parts of semen cuscutae, 3 to 4 parts of herba gynostemmatis pentaphylli, 2 to 4 parts of cynomorium songaricum, 4 to 5 parts of aspergillus niger residue, 5 to 6 parts of powder of mussel and conch, 0.4 to 0.5 part of a choline chloride emulsion, 6 to 7 parts of dairy salt, 0.02 to 0.04 part of calcium hydrophosphate, and 4 to 6 parts of a premixture. The chicken feed is rich in nutrition, environment-friendly, and beneficial to growth and development of poulardes; due to the addition of the Chinese herbal medicine additives such as needle mushroom, honeysuckle and semen cuscutae, not only can diseases be prevented, but also the resistibility of chicken can be enhanced, and the functions of eliminating phlegm by cooling, moistening dryness, clearing heat-toxin and preventing sunstroke are realized.
Owner:TONGLING YIKESONG ECOLOGICAL AGRI SCI & TECH DEV CO LTD

Chinese herbal medicine containing feed for laying hens

The invention provides a Chinese herbal medicine containing feed for laying hens. The feed contains the following raw materials in parts by weight: 50-80 parts of corn flour, 20-30 parts of rice flour, 15-25 parts of millet flour, 10-20 parts of pumpkin flour, 40-60 parts of sweet potato flour, 50-70 parts of bean cake meal, 80-90 parts of rapeseed cake meal, 90-120 parts of rice bran, 25-40 parts of highland barley powder, 35-50 parts of fish meal, 20-40 parts of bone meal, 10-18 parts of conch powder, 35-60 parts of calcium hydrogen phosphate, 60-80 parts of rock flour, 20-30 parts of common salt, 40-50 parts of sodium bicarbonate, 5-15 parts of compound trace elements, 4-10 parts of multivitamins, 10-25 parts of amino acids, 5-8 parts of taraxacum mongolicum, 8-15 parts of folium artemisiae argyi, 12-20 parts of crataegus pinnatifida, 5-15 parts of Chinese angelica, 5-20 parts of whiteflower patrinia herb and 5-10 parts of fructus liquidambaris. The feed for the laying hens is rich in nutrition, contains Chinese herbal medicine ingredients and is green and environmentally friendly, so that the laying hens can be far away from diseases, oviducts of the laying hens can be unobstructed, eggs are high in quality and large in number, and thus nutritional requirements of people can be met.
Owner:TAICANG XINHUA GRAIN PRODN SPECIALIZED COOP

Conch culture and proliferation device based on bottom sowing

The invention discloses a conch culture and proliferation device based on bottom sowing. The purpose is to provide the conch culture and proliferation device based on bottom sowing which can effectively avoid the problem that conch fry is likely to be taken away by an ocean current before attachment is achieved and distributed to a seabed area not suitable for attached growth of the conch fry, so that the survival rate of the conch fry is lowered. The device comprises a base, a lever arranged on the base in a rotational mode through a horizontal shaft lever, a lever limiting stop bar arranged on the base and located above the lever, a balancing weight arranged on the lever in a sliding and sleeving mode, a balancing weight limiting stop block arranged at one end of the lever, a temporary culture box with the open upper end arranged on the lever and a cover plate which is arranged on the base and used for sealing and sheltering the upper end opening of the temporary culture box. The balancing weight and the temporary culture box are located on the opposite sides of the horizontal shaft lever, the balancing weight limiting stop block and the balancing weight are located on the same side of the horizontal shaft lever, and the lever limiting stop bar and the temporary culture box are located on the same side of the horizontal shaft lever.
Owner:MARINE FISHERIES RES INST OF ZHEJIANG

Feed for sturgeon parent fish as well as preparation method thereof

The invention discloses feed for sturgeon parent fish as well as a preparation method thereof. The feed is prepared from the following components in percentage by mass: 10 to 50 percent of fish meal,5 to 15 percent of chicken meat powder, 3 to 10 percent of egg powder, 1 to 5 percent of beer yeast powder, 5 to 30 percent of wet brine shrimps, 5 to 10 percent of conch meat, 5 to 10 percent of mussel meat, 5 to 10 percent of oysters, 8 to 25 percent of fermented soybean meal, 8 to 20 percent of flour, 1 to 4 percent of fish oil, 0.5 to 1 percent of soya lecithin powder, 1 to 5 percent of kelp powder, 0.2 to 1 percent of vitamin mixture, 1 to 5 percent of casein protein, 3 to 5 percent of antarctic krill, 1 to 4 percent of mineral element mixture, 1 to 5 percent of microbial agents, 1 to 5 percent of EPA, 1 to 5 percent of DHA, 1 to 5 percent of ARA, 1 to 5 percent of carotene, and 1 to 2 percent of feed attractant. According to the feed for the sturgeon parent fish, disclosed by the invention, a gonadal development condition of the sturgeon parent fish can be improved, a brood amount of sturgeon fish gonad is increased, the color of fish eggs is turned from common black into shallowcolor with a higher value amount, and even turned into scarce golden yellow fish eggs through the physiological metabolism so as to obtain excellent-quality sturgeon fish caviar; meanwhile, a survival ratio can be increased, a feed conversion ratio is increased and a specific growth ratio is increased.
Owner:GUANGDONG YUEQUN BIOTECHNOLOGY CO LTD

Process for preparing calcium propionate by using japanese pearl oyster conch

The invention relates to a method for preparing calcium propionate by using a shell of Pearl Oyster Pinctada martensi, which comprises the following steps: (1) the pre-processing of the shell; (2) the processing of the acid: a shell powder is dissolved by the hydrochloric acid and a mixed solution is obtained; (3) precipitation: the mixed solution in the step (2) is centrifuged and the upper clear liquid is taken out and the calcium carbonate solution is added, which is standing after full precipitation, and then white precipitation is obtained after being extracted, filtered and washed and the residue is filtered, and then drying is carried out. (4) the propionic acid reaction: the dried precipitation is taken and distilled water is added, the carbon dioxide gas is pumped in and the propionic acid solution is added, wherein, the proportion of the quality of the precipitation: the volume of the distilled water: the volume of the propionic acid solution is 1:30-40:2.5-3.0, the reaction is carried out by stirring for 30 min to 40min at the temperature of 55 to 60 DEG C and the calcium propionate solution is obtained; (5) drying: the obtained calcium propionate solution is dried and a white powder shaped calcium propionate product is obtained. The technical skill of the invention has the advantages of simple operation, low product cost, low energy cost, stable product quality, thus improving the economic benefit of the production enterprise.
Owner:SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI

Artificial taming method of pond with wild bagarius yarrelli

The invention relates to an artificial taming method of a pond with wild bagarius yarrelli, belonging to the technical field of fish culture. The method comprises the following steps of designing the environment of a fish pond, sterilizing the fish pond, sterilizing before putting the bagarius yarrelli and casting baits for taming eating. The method comprises the following detailed steps of: dividing the fish pond into a plurality of ponds which are provided with water inlets and water outlets and have different volumes, then manufacturing water flow and arranging hidden places and activity places in the pond; pumping water from the pond to be dry before putting the bagarius yarrelli for taming, leading calcium lime to form pulp, splashing the pulp in the whole pond according to 10 to 300kg per mu and sterilizing; before putting the bagarius yarrelli, using antibiotic solution of 10 to 100IU/L for soaking each bagarius yarrelli for 15 to 30 minutes for sterilization; before putting the bagarius yarrelli for taming, putting living shrimps, living little fishes and conches in the pond by 10 to 30kg per mu, after putting the bagarius yarrelli for 30 days, putting fish meat of 1 to 3kg on a food table every day, and leading the bagarius yarrelli to be capable of intaking food gradually at fixed time and place. The artificial taming method has simple and convenient operation, low cost and high survival rate of bagarius yarrelli, realizes artificial taming of the wild bagarius yarrelli in the pond and lays the foundation for developing and utilizing native fish resource, namely bagarius yarrelli.
Owner:云南省渔业科学研究院
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