KR20140105941A - Floatable feedstuff for fish farming and fabricating process thereof - Google Patents

Abstract

FIELD OF THE INVENTION [0002] The present invention relates to a floating feed for fish culture including a nutrient source for fish growth and a method for producing the same. The flotation feed of the present invention can be floated in seawater and / or fresh water for a long time by mixing the feed composition containing the nutrient source with the binder and the coating agent. Since some fish prefer to consume floating feed, it is not only possible to promote the growth of fish through the floating feed of the present invention, but also because it does not sink easily into the water after administration of the feed of the present invention, Prevention of contamination and prevention of diseases of cultured fish caused by food corruption. In addition, by using the floating feed of the present invention, the feed rate of the fish can be increased and the amount of the lost feed can be reduced, thereby contributing to the improvement of the productivity of aquaculture.

Description

Technical Field [0001] The present invention relates to a flotation feed for fish culturing,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a feed for fish culture, and more particularly to a floating feed that can be used in a fish farm and a method for producing the feed.

Fishes used for food can be divided into freshwater fishes living in freshwater and marine fishes living in the ocean. Marine fish are attracting attention as a particularly desirable nutrient due to their low lipid content and high protein content.

In relation to fish culture, a combination of biological feeds using living organisms such as sardines, nutrients and additives in a certain ratio is used. Among them, biological feeds have a low cost of food by aquaculture fish, there is a possibility of depletion of feed resources, and production costs can be changed depending on factors such as seasons and climate environment. Therefore, it is common in fish farms to use mixed feed containing mostly nutrients.

Mixed diets contain not only protein sources such as amino acids but also lipids and vitamins. Especially in relation to marine fish farming, it is essential to supply compound feed containing amino acids as a nutrient source. In this regard, improving the feed rate of feed provided to fish is one of the factors that should be considered very important in the management of the farm.

Among the fish cultured in Korea, trout ( Oncorhynchus masou BREVOORT) is a group of salmonids belonging to the salmonid family and mainly distributed on the east coast of the north of Gyeongsangnam-do. In the sea, zooplankton is mainly consumed. At present, in Korea, trout farming is carried out by 'cage' cultivation method in the fresh water of the inland water of the upper stream rivers. It is known that many of the inland farms are trout farms and the trout production is unequaled among the fishes cultured on the inland side .

In this way, most trout are cultured in freshwater, but they have physiological adaptability to seawater, so they can be cultured in sea water after gradually increasing the salinity for a certain period of time. When trout is cultured in seawater, the growth rate is three times faster than that in freshwater and the incidence of disease is low and the survival rate is high. In addition, the trout is stronger in quality than the trout cultured in freshwater. Have. Accordingly, feeds containing a mixture of docosahexaenoic acid (DHA) and unsaturated fatty acids such as EPA (eicosapentaenoic acid) have been developed.

However, trout and other fish used in fish farms have the property of sinking into water in a short time. Aquaculture feeds on water. Feeds that have not been ingested during this process are deposited on the bottom of the farm or dispersed in fresh water or seawater. In particular, some fish, including trout, have a higher preference for water-borne feeds than water-submerged fish, and thus a significant portion of conventional feeds can not be ingested by aquaculture. Considering the amount of the lost feed, the fish farms are required to provide and feed much larger amounts of feed than those that the fish can ingest.

Nutrients and other physiologically active ingredients contained in feeds that can not be ingested by cultured fish and settled as freshwater or seawater contain a large amount of components that can cause water pollution. Therefore, considering the inability of fish to be fed by the aquaculture, excessive amounts of feed may have a significant impact on water pollution. Especially, when aquaculturists administer excessive amounts of feed for the growth of aquaculture, the amount of feed that can not be eaten by the fish and settled in the water increases, which can adversely affect the aquatic ecosystem.

For example, a feed mass that is submerged in water can be loosened and sludgeized, and the nutrients contained in a large amount in the feed ingredients can cause the algae to multiply, and the eutrophication due to the increase in zooplankton and aquatic organisms Due to nutrients such as nitrogen and phosphorus in the feed, the algae phenomenon in which the algae grow proliferously in summer and the influx of fresh water containing a large amount of nutrients, The amount of dissolved oxygen may decrease, causing environmental pollution that seriously affects aquatic ecosystems such as dead fishes and shellfish. In addition, if the feed settled in fresh water or seawater is soddened, the rancid feed may cause a variety of diseases in fish such as causing chronic fish body weakness.

In particular, the environmental problems caused by the feed that can not be ingested by the aquaculture and sink into the water can be ingested by the aquaculture fish in that most of the inland water fish farms can pollute the water quality of the first water stream upstream of the river where the fish farms are located. There is a need to develop a feed that does not settle out and is not lost.

Disclosure of the Invention The present invention has been proposed in order to solve the problems of the prior art described above, and it is an object of the present invention to provide a feed for fish culture which can be floated in seawater or fresh water as a feed containing nutrients and other physiologically active ingredients, .

It is another object of the present invention to provide a feed for fish culture and a method for manufacturing the same, which can prevent the occurrence of water pollution due to feed lost in a fish farm and reduce the incidence of diseases caused by the fish.

In accordance with one aspect of the present invention having the above-described object, the flotation feed for fish culture comprises a feed component comprising a nutrient source; A binder to be combined with the feed component; And a lipophilic coating agent coated on the combination of the feed component and the binder.

According to an exemplary embodiment, it may further comprise an internal lipophilic coating which covers at least one of the feed component and the binder.

In one example, the feed component, the binder and the lipophilic coating in the flotation feed may be mixed in a weight ratio of 1: 0.05-0.2: 0.3-0.6, and optionally, when the internal lipophilic coating is used The feed component and the internal lipophilic coating agent may be mixed in a weight ratio of 1: 0.1-0.3.

For example, feed ingredients may include protein sources such as amino acids, as well as bioactive ingredients such as minerals and vitamins, as well as other nutrients such as fat and carbon sources, as needed.

The binder may be selected from the group consisting of polysaccharides such as hydroxypropylcellulose, hydroxypropylmethylcellulose, sodium carboxymethylcellulose, starch, cellulose such as pregelatinized starch or starch, or derivatives thereof, polyvinylpyrrolidone, polyvinyl Polyvinyl pyrrolidone-polyvinyl acetate copolymer, gelatin derived from natural proteins such as collagen, and combinations thereof, and polysaccharides or derivatives thereof are preferable.

The lipophilic coating agent may be selected from the group consisting of mineral preservatives such as paraffin wax, liquid paraffin, Microcrystalline wax, Petrolatum; Animal fats such as bees wax or wool wax; Vegetable fats such as Carnauba wax and Candelilla wax; Saturated or unsaturated fatty acids such as stearic acid; Polyethylene wax, polypropylene wax, Fischer-Tropsch wax (FT wax), methacrylic acid-methyl methacrylate copolymer, ethyl acrylate-methyl methacrylate copolymer, A synthetic lipophilic polymer such as butyl methacrylate- (2-dimethylaminoethyl) methacrylate-methyl methacrylate terpolymer, ethyl acrylate-methyl methacrylate-trimethylaminoethyl methacrylate chloride terpolymer ; And combinations thereof, and is preferably a mineral oil such as paraffin.

According to another aspect of the present invention, there is provided a method of manufacturing a feed for fish culture, comprising: combining a feed component comprising a nutrient source and a binder; And coating a lipophilic coating agent on the combination of the feed component and the binder.

According to an exemplary embodiment, an internal lipophilic coating is added to at least one of the feed component and the binder prior to combining the feed component and the binder to form at least one component of the feed component and the binder The method may further include a step of coating.

Optionally, the method may further comprise the step of formulating the combination between the step of combining the feed component with the binder and the step of coating the lipophilic coating agent, or after the step of coating the lipophilic coating agent.

For example, the feedable animal feed for fish production may be formulated in the form of a powder, granule, pill or pellet through the formulating step.

For example, the binder is compounded to the feed component in a paste state, and the lipophilic coating agent is added to the formulation in a molten form.

In the present invention, a feed composition comprising a nutrient-containing feed component and a lipophilic coating agent is added to a feed for a long period of time on the surface of a farm, and a preparation method thereof is proposed. As described above, since the feed of the present invention floats in seawater and / or fresh water and does not flow into water, it can contribute to water pollution problem by preventing eutrophication phenomenon or algae phenomenon due to sludge generated by dissolving feed ingredients. In addition, it is possible to prevent the quality of the aquaculture caused by the corruption of the feed in the water.

In some fish, floating fish are preferred, and the use of the floating fish of the present invention can increase the feed rate of the fish, thereby promoting fish growth. In addition, it can contribute to productivity improvement of the aquaculture by reducing the amount of feed that can not be consumed by fish and abandoned, thereby providing economical and efficient feed.

The present invention relates to a feed composition for fish culturing which is formulated in the form of particles (powder, granule, pill or pellet) by blending a feed component with a binder and / Fig. 2 is a view schematically showing the shape of a semiconductor device.
Fig. 2 is a flow chart schematically illustrating a process for producing a flotation feed usable in a fish farm in accordance with the present invention.

The inventors of the present invention completed the present invention by developing a feed that can be floated by adding a binder to a feed for fish culture and adding a lipophilic coating agent while studying a method for solving the problems of the prior art described above. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail with reference to the accompanying drawings.

The present invention relates to a feed composition for fish culturing which is formulated in the form of particles (powder, granule, pill or pellet) by blending a feed component with a binder and / Fig. 2 is a view schematically showing the shape of a semiconductor device. As shown in Fig. 1, the flotation feed for fish culturing according to the present invention comprises a feed component which may comprise a nutrient source, a bioactive component and other additives, a binder to be combined with the feed component, and a combination of feed component- And optionally an inner coating to coat the feed component, if desired.

Feed ingredients may include nutrients and other additive ingredients. The nutrient sources include protein raw materials, carbohydrate raw materials, fat raw materials and, if necessary, vitamins and minerals. For example, as a protein raw material, not only water-soluble amino acids such as D / L-methionine, L-lysine, L-lysine hydrochloride, L-threonine and other lipophilic amino acids, Such as by-products produced in the processing of fishes, pupae, meats, soybeans or yeasts, can be used. Examples of raw materials for carbohydrates include cereal powders such as wheat, corn and barley, and examples of the fat raw materials include fish oil, liver oil, livestock oil and plant oil.

Other additives that can be included in the feed ingredients include, but are not limited to, adhesives used to maintain the viscosity of the nutrient described above so that the feed is not easily released, antibiotics to prevent fish diseases caused by pathogens, For example, antioxidants of carotenoids such as ethoxy quinine, polyphenol, A-carotene, B-carotene and dihydroxylated derivatives thereof, astaxanthin or canthaxanthin to meet consumer preferences, Coloring agents such as synthetic keto-carotenoid pigments such as carboxymethylcellulose, and other additives such as food-borne substances can be used. The content of these other additives in the feed for fish is well known and may be changed depending on factors such as the type of fish to be breed and the season. In addition, it may optionally contain monosaccharides such as sucrose, glucose, dextrose, molasses, lactose, or oligosaccharides such as oligosaccharides, natural and synthetic gums, acacia, Sodium alginate, and the like. For example, these additive components may be mixed at a ratio of 0.01 to 1.0 part by weight in the flotation feed of the present invention. For example, feed ingredients may be in solid powder form.

Meanwhile, according to the present invention, a binding agent is combined with a feed component in order to impart elasticity and tackiness of the feed component and enhance the strength of the feed. Examples of the binder that can be combined with the feed component according to the present invention include polysaccharides such as cellulose or starch or derivatives thereof, synthetic polymers, polymers derived from natural proteins, and combinations thereof.

Examples of polysaccharides or derivatives thereof include hydroxypropylcellulose (HPC) used for granulation, film coating and sustained-release preparations, hydroxypropylmethylcellulose (HPC) for improving viscosity and viscosity and used as an emulsifying stabilizer or a film- Hydroxypropyl Methyl Cellulose (HPMC), Carboxy Methyl Cellulose Sodium (CMC) which has a stabilizing function and is used as a suspending agent, disintegrant, thickening agent and binder, and is used as excipient, disintegrant or tablet binding agent. (Starch), which is converted into a liquid having a high viscosity by expansion when heated with hot water, and combinations thereof.

On the other hand, examples of the synthetic polymer which can be used as the binder include polyvinyl pyrrolidone (PVP, aka Povidone), polyvinylpyrrolidone (polyvinylpyrrolidone) used as a binder, disintegrant, suspending agent, Polyvinyl acetate (PVA) copolymer (aka copovidone), and combinations thereof. For example, PVP and PVA components in a PVP-PVA copolymer can be mixed in a molar ratio of 6: 4. Examples of the protein-derived polymer that can be used as a binding agent according to the present invention include Gelatin, which is an inducible protein obtained by treating collagen, which is a natural protein constituting animal skins, tendons and cartilage, with hot water. Gelatin expands in cold water to become a sol in hot water and gel at room temperature with a concentration of 2-3%.

Illustratively, HPC, CMC, alpha starch, PVP, and the like may be used among the above-mentioned binder components in order to formulate the feed according to the present invention in the form of wet granulation. HPC, alpha starch, PVP-PVA copolymer may be used among the binder components described above. Polysaccharides or derivatives thereof or protein derivatives such as gelatin are preferable as binders for the feed according to the present invention because of their high viscosity, and more preferably they are starch or alpha starch which can be easily formulated in a form of a free and paste. By way of example, feed ingredients and binders can be formulated in a weight ratio of 1: 0.05 to 0.2, preferably 1: 0.1 to 0.15, but the content ratios can vary depending on the final formulation of the manufacturing apparatus or feed, But is not limited thereto. If the content of the binder is less than the above-mentioned range, although some formulations are possible, the feed tends to spread in water, and if the content of the binder exceeds the above-mentioned range, the lipophilic coating agent described later may not be uniformly coated on the binder.

On the other hand, an oleophilic coating agent is coated on the outside of a combination of the feed ingredient-binder described above to induce the feed according to the present invention to float in seawater or fresh water. That is, a component having a property of repelling water such as seawater and / or fresh water can be used as a coating for the feed according to the present invention. Exemplary materials that can be used as lipophilic coatings according to the present invention include mineral oils, animal fats, vegetable oils, saturated or unsaturated fatty acids, synthetic lipophilic polymers, and combinations thereof.

The mineral oil is used as non-edible wrapping paper coating, plasticizer, waterproofing agent, etc. Paraffin wax extracted from crude oil and nitrogen compound / sulfur compound / oxygen compound in paraffin are removed and liquid phase flow used in cosmetics, Microcrystalline wax, which is used as a food wrapping paper because of its tackiness as a main component, paraffin (branched paraffin) and branched paraffin, petrolatum which is mainly used for medicinal purposes such as ointment, Petrolatum and microcrystalline wax with oil added thereto, of which the highest refined level is called vaseline), and combinations thereof.

Animal oil is an animal solid lob extracted from a honeycomb by heat pressing, solvent extraction, etc. The main ingredient is palmitic acid ester of melissyl alcohol and it is adhesive to cerate acid. It is used as a raw material of cleansing cream or cold cream, It is extracted from bees wax and wool which are used as ingredients of cosmetic raw materials or ingredients, paints, candles, etc., and has a skin protection effect and a moisturizing effect, so that cosmetic raw materials and skin absorbability are good. Wool wax (the main component is esters of fatty acids such as cephexanoic acid and lanopalmitic acid with ceryl alcohol or cholesterol, also referred to as lanoline), and combinations thereof. Carnauba wax (Carnauba wax), which is widely used as a raw material for coatings for varnishes, coatings for plants, printing, cosmetics and pharmaceuticals, is extracted from the leaves of Carnauba palm trees and has high hardness, high melting point and high gloss. Waxes obtained from Candelilla, for example, 30 to 35% of esters, 15 to 20% of higher fatty acids and higher alcohols, and 50 to 60% of hydrocarbons. Candelilla wax which is used as a raw material of the present invention, and combinations thereof. On the other hand, examples of saturated or unsaturated fatty acids include stearic acid which is contained in a lot of waxy, cognitive, hair follicle, cacao, etc. and is used for cosmetics as well as candles, suppositories, ointment bases, lubricants and defoamers.

Examples of the synthetic lipophilic polymer as an example of the coating composition constituting the feed according to the present invention include polyethylene wax and polypropylene wax obtained by polymerizing ethylene obtained by decomposing natural gas or naphtha, FT-Wax (FT Wax) produced through a Fischer-Tropsch reaction using methane as a cobalt supported catalyst, methacrylic acid-methyl methacrylate copolymer having excellent gloss and low dissolution rate (Methacrylic acid-methyl methacrylate) copolymer, a poly (ethylacrylate-methyl methacrylate) copolymer, and a butyl methacrylate- (2- Dimethylaminoethyl) methacrylate-methyl methacrylate terpolymer, poly (butylmethacrylate- (2-dimethylaminoethyl) methacrylate-methyl methacrylate) (Ethyl acrylate-methyl methacrylate-trimethylaminoethyl methacrylate chloride) terpolymer having high gloss and high viscosity, and a combination thereof.

Examples of commercial products of the above-mentioned copolymers or terpolymers include Eudragit® S, a copolymer composed of methacrylic acid and methyl methacrylate in a molar ratio of 1: 2, a copolymer of ethyl acrylate and methyl methacrylate in a molar ratio of 2: 1 Eudragit® E, a copolymer composed of Eudragit® NE, butyl methacrylate, (2-dimethylaminoethyl) methacrylate and methyl methacrylate in a molar ratio of 1: 2: 1, Eudragit® E, ethyl acrylate, methyl methacrylate Ethyl acrylate, methyl methacrylate, trimethylaminoethyl methacrylate chloride in a molar ratio of 1: 2: 0.2 to 1 in a molar ratio of 1: 2: 0.1 , And the like. However, the present invention is not limited to these commercial products.

Particularly, in order to obtain sufficient floating property with respect to water such as fresh water and seawater, a good wax as a lipophilic component is preferable as a lipophilic coating agent, and more preferably a mineral oil retaining component such as paraffin. Illustratively, lipophilic coatings based on feed ingredients can be added in a weight ratio of 1: 0.3-0.6, preferably 1: 0.4-0.5, but the content ratio may vary depending on the final formulation of the manufacturing apparatus or feed The present invention is not limited thereto. If the content of the lipophilic coating agent is less than the above-mentioned range, it is difficult to achieve flotation, and even if the content of the lipophilic coating agent exceeds the above-mentioned range, there is little improvement in the flotation of the feed, Or the binder may not be uniformly coated.

According to the present invention, it is also possible to include an inner lipophilic coating which selectively covers the feed component. When a single coating is applied to the combination of feed ingredients and binders with a lipophilic coating alone, it can float on a gentle water surface, but it can sink into water quickly in a severe water surface.

For example, when a hydrophilic feed component such as an amino acid or a vitamin and / or a hydrophilic binder is used, even if an oleophilic coating agent is added to a combination of these hydrophilic feed components and a binder, the oleophilic coating agent may contain a hydrophilic feed component and / The desired floating property may not be sufficiently achieved. Thus, apart from the aforementioned lipophilic coatings added to the feed ingredient-binder combination, separate internal lipophilic coatings, which are added to the feed ingredients and / or binders to concentrate, for example, feed ingredients in the form of powders or hydrophilic binders, It is possible to improve the flotation characteristics of the feed according to the present invention, so that it may be preferable. It should be noted that although the figure shows that the inner lipophilic coating is coated only with the feed component, the inner lipophilic coating may cover at least one component of the feed component and the binder.

Examples of the internal lipophilic coating agent include mineral preservation, vegetable oil, vegetable oil, animal oil, saturated or unsaturated fatty acid, synthetic lipophilic polymer resin, and combinations thereof as mentioned in the above-mentioned lipophilic coating agent. It is preferably a mineral oil such as paraffin. Illustratively, the internal lipophilic coating, based on the feed ingredients or binders, may be added in a weight ratio of 1: 0.1 to 0.3, preferably 1: 0.1 to 0.2. If the content of the internal lipophilic coating agent is less than the above-mentioned range, for example, it is difficult to obtain sufficient floating property for the hydrophilic feed component, and even if the content of the internal lipophilic coating agent exceeds the above-mentioned range, there is almost no improvement in flotation.

Next, a method for producing a floating feed according to the present invention will be described with reference to FIG. 2, which is a flow chart schematically showing a process for manufacturing a floating feed for fish culture. An inner lipophilic coating may be added to the feed component, which may optionally be in the form of a solid powder and / or may be hydrophilic, for example, to contain the feed component < RTI ID = 0.0 > A preliminary coating is performed (S210) in which an internal lipophilic coating is coated. The feed component and the internal lipophilic coating agent may be added in a weight ratio of 1: 0.1 to 0.3, preferably 1: 0.1 to 0.2. Preferably, the internal lipophilic coating can be melted or dissolved to have fluidity. For example, when a paraffin wax is used as an internal lipophilic coating agent, paraffin wax dissolved in water at 50 to 90 ° C, preferably 50 to 80 ° C, more preferably 55 to 70 ° C, may be used.

Subsequently, a feed component-unbonded feed component coated with an internal lipophilic coating agent and a binder component coated or uncoated with an internal lipophilic coating agent are compounded to prepare a feed component-binder combination (S220). Feed ingredients and binders can be formulated in a weight ratio of, for example, 1: 0.05 to 0.2, preferably 1: 0.1 to 0.15. Preferably, the binder may be blended with the feed ingredients in a paste state. Depending on the type of binder used, the binder may be added to water at 50 to 90 캜, preferably 50 to 80 캜, more preferably 55 to 70 캜 A paste-type binder can be obtained by adding distilled water while stirring.

Subsequently, a secondary coating (main coating) process is performed in which the aforementioned lipophilic coating agent is added to the feed ingredient-binder combination to coat the formulation (S230). Like the primary coating, the oleophilic coating in this coating process can be melted or dissolved to have fluidity. For example, when a paraffin wax is used as an internal lipophilic coating agent, paraffin wax dissolved in water at 50 to 90 ° C, preferably 50 to 80 ° C, more preferably 55 to 70 ° C, may be used. In the secondary coating step, the feed component and the lipophilic coating agent are preferably used in a weight ratio of, for example, 1: 0.3 to 0.6, preferably 1: 0.4 to 0.5.

Subsequently, a formulation process is carried out for the prepared injurious feed (S240). For example, a formulated feed can be obtained through a formulating process, such as powdered powders, granules in the form of granules, or pellets or pills. Illustratively, the formulation process can be performed at a temperature of 20-35 ° C. If necessary, a subsequent commercialization process, such as drying or packaging of the inventive floatable feedstuff of the invention formulated after the formulation step S240, may optionally be carried out.

With regard to the formulation process, a known method can be used. For example, in order to prepare floating feed formulated with powders in powder form, the floating feed, which is a combination of feed ingredient-binder coated with lipophilic coating, is dried as it is or pulverized in a pulverizer (pulverizer) And the like. For the granular formulations, the floating feedstuffs coated with the lipophilic coating agent are added to the feed ingredient-binder combination by extrusion assembly, motor assembly, compression assembly, melt spray assembly, spray drying of the slurry, You can use it or use a sieve. At this time, it is preferable to formulate the feed coated with the lipophilic coating agent in the form of granules in the form of a paste.

Through the granule formulation process, for example, a floating feed for fish culture can be obtained which is formulated into granules having an average particle size of 1 to 10 mm. Particularly, the powder or granular formulating process has an advantage that it can be performed at a low cost.

On the other hand, in consideration of the uniformity of feed size, ease of size control, mass productivity, commerciality and product quality, the floating feedstuffs coated with a lipophilic coating agent on the feed component-binder combination are pellet- . ≪ / RTI > For example, by formulating with a pellet, the uniformity of the average particle diameter of the flotation feed can be improved compared to the granulation formulating process, and further productability such as coating can be improved, and productivity can be greatly improved in particular. In order to formulate pellets into a ring, a screw and a brush are mounted, and a ventilator which can form the annular form of the flush-type floating feed by the vibration of the roller can be used.

Although FIG. 2 illustrates that the formulation step S240 is performed after the second coating step S230, the formulation step may be first carried out after the step S220 of combining the feed ingredients and the binder, A secondary coating step can be performed. For example, a combination of feed ingredient-binder may be first performed in a granular formulating process, followed by the addition of a lipophilic coating to the granular formulations. However, when the formulation process is carried out after the coating step, the lipophilic coating agent uniformly coated on the formulation can formulate even if the powdered food is clogged, for example, while the coating process is carried out after the formulation step In case of coating after granulation, for example, granulation may be deteriorated due to the granules being disintegrated and disintegrated by the coating agent by the coating process. Therefore, preferably, the formulation step S240 is performed after the coating step S230.

Hereinafter, the present invention will be described with reference to exemplary embodiments, but the present invention is not limited to technical matters described in the following embodiments. Those skilled in the art will appreciate that various modifications and changes may be made without departing from the spirit and scope of the present invention as set forth in the following claims. For example, a binder and a coating agent may be added to other feeds containing other nutritional ingredients or other additives besides amino acids as feed ingredients. It will be apparent, however, that such modifications and changes are all within the scope of the present invention.

Example  1: in granular form Formulation  Manufacture of feed

2 g of paraffin wax as an internal lipophilic coating agent was dissolved in water at 60 캜 in water and dissolved paraffin was uniformly added to 10 g of amino acid (D / L-methionine, L-lysine hydrochloride, L-threonine, etc.) Tea coating. 2 g of starch as a binder was added to distilled water until it became paste form while stirring in water at 60 ° C, and the primary coated amino acid was added to the prepared starch paste and mixed evenly. 4 g of paraffin as a lipophilic coating was dissolved in water at 60 DEG C in water and dissolved paraffin was added to the evenly mixed primary coated amino acid-starch paste blend and mixed evenly. The mixture was continuously stirred until it was cooled to room temperature, and the coated mixture with the paste-like lipophilic coating agent was slowly filtered out using a sieve to be granulated. The granules were thoroughly dried at room temperature and then placed in water for flotation. It was confirmed that the granular feedstuffs did not dissolve in the water, and they were floated for a long time (more than 2 hours).

Example  2: in the form of mass-produced granules Formulation  Manufacture of feed

The procedure of Example 1 was repeated using 0.5 kg of amino acid as a nutrient source, 0.1 kg of paraffin wax as an internal lipophilic coating agent, 0.05 kg of starch as a binder and 0.2 kg of paraffin wax as a lipophilic coating agent to prepare a paste-like feed This was repeated two times to prepare a feed formulated in granular form. The size of the granules was appropriate, and it was confirmed that the particles were floated more than 2 hours in the normal distilled water and floated more than 1 hour and 30 minutes in the sea water.

Example  3: Mass production Pill  In the form of Formulation  Manufacture of feed

The procedure of Example 1 was repeated using 0.5 kg of amino acid as a nutrient source, 0.1 kg of paraffin wax as an internal lipophilic coating agent, 0.05 kg of starch as a binder and 0.2 kg of paraffin wax as a lipophilic coating agent to prepare a paste-like feed This was repeated two times to prepare a feed formulated in granular form. The size of the pellet was also appropriate, and it was confirmed that it was injured more than 2 hours in general distilled water and more than 1 hour and 30 minutes in seawater.

Example  4: Mass production Pellets  In the form of Formulation  Manufacture of feed

The procedure of Example 1 was repeated using 0.5 kg of amino acid as a nutrient source, 0.1 kg of paraffin wax as an internal lipophilic coating agent, 0.05 kg of starch as a binder and 0.2 kg of paraffin wax as a lipophilic coating agent to prepare a paste-like feed The pellet-shaped feed was prepared by feeding the paste-type feed coated with the lipophilic coating agent to the primary-coated amino acid-binder twice in the ventilator. It was confirmed that it was injured in water for about 2 hours.

compare Example  : Production of feed without binder

10 g of amino acid as a feed component and 10 g of paraffin wax as an oleophilic coating agent were added and the procedure of Example 1 was repeated to prepare a granular feed. Formulation in granular form was possible, but it was confirmed that these feeds were spread in water and the flotation was insufficient, thus confirming the need for a binder.

Claims (4)

Feed ingredients including nutrients;
The composition is combined with the feed ingredients and is selected from the group consisting of hydroxypropylcellulose, hydroxypropylmethylcellulose, carboxymethylcellulose sodium, starch, pregelatinized starch, polyvinylpyrrolidone, polyvinylpyrrolidone- A binder selected from the group consisting of copolymers, gelatins, and combinations thereof; And
As a lipophilic coating agent coated on the feed component and the combination of binders there may be mentioned paraffin wax, liquid paraffin, Microcrystalline wax, Petrolatum, Bees wax, Wool wax, Carnauba wax, Candelilla wax, stearic acid, polyethylene wax, polypropylene wax, Fischer-Tropsch wax (FT wax, ), Methacrylic acid-methyl methacrylate copolymer, ethyl acrylate-methyl methacrylate copolymer, butyl methacrylate- (2-dimethylaminoethyl) methacrylate-methyl methacrylate terpolymer an ethyl acrylate-methyl methacrylate-trimethylaminoethyl methacrylate chloride terpolymer, and combinations thereof, wherein the oleophilic coating is selected from the group consisting of:
Wherein the feed component, the binder and the lipophilic coating agent are mixed in a weight ratio of 1: 0.05 to 0.2: 0.3 to 0.6 in the flotation feed. 2. The method of claim 1, wherein at least one of the feed component and the binder is coated with a paraffin wax, liquid paraffin, microcrystalline wax, petrolatum, bees wax, Wool wax, Carnauba wax, Candelilla wax, stearic acid, polyethylene wax, polypropylene wax, Fischer-Tropsch wax, (2-dimethylaminoethyl) methacrylate-methyl methacrylate-methyl methacrylate copolymer, butyl acrylate-methyl methacrylate copolymer, butyl methacrylate-butyl methacrylate copolymer, An inner lipophilic coating selected from the group consisting of a terpolymer, an ethyl acrylate-methyl methacrylate-trimethylaminoethyl methacrylate chloride terpolymer, and combinations thereof Which further comprises an animal feed composition.
A starch, an alpha starch, a polyvinylpyrrolidone, a polyvinylpyrrolidone-polyvinyl, a polyvinylpyrrolidone-polyvinylpyrrolidone, a starch, a starch, A binder selected from the group consisting of acetate copolymers, gelatins, and combinations thereof;
To the combination of the feed ingredients and the binder is added a paraffin wax, liquid paraffin, Microcrystalline wax, Petrolatum, Bees wax, Wool wax, Waxes such as Carnauba wax, Candelilla wax, stearic acid, polyethylene wax, polypropylene wax, Fischer-Tropsch wax (FT wax), methacrylic acid- Methyl methacrylate copolymer, ethyl acrylate-methyl methacrylate copolymer, butyl methacrylate- (2-dimethylaminoethyl) methacrylate-methyl methacrylate terpolymer, ethyl acrylate -Methyl methacrylate-trimethylaminoethyl methacrylate chloride terpolymer, and combinations thereof; a step of coating an oleophilic coating selected from the group consisting of: And
Comprising the step of formulating the combination between the step of mixing the feed component with the binder and the step of coating the lipophilic coating or after the step of coating the lipophilic coating, Gt;
4. The method according to claim 3, wherein at least one of the feed component and the binder is mixed with a paraffin wax, a liquid paraffin, a microcrystalline wax, Such as petrolatum, bees wax, wool wax, carnauba wax, candelilla wax, stearic acid, polyethylene wax, poly Polypropylene wax, Fischer-Tropsch wax (FT wax), methacrylic acid-methyl methacrylate copolymer, ethyl acrylate-methyl methacrylate copolymer, butyl methacrylate- (2- Dimethylaminoethyl) methacrylate-methyl methacrylate terpolymer, ethyl acrylate-methyl methacrylate-trimethylaminoethyl methacrylate chloride terpolymer, and combinations thereof. Lt; RTI ID = 0.0 > 1, < / RTI > further comprising the step of adding an internal lipophilic coating selected from the group consisting of the feed component and the binder.

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