KR20020066892A - A manufacturing process of assorted feed for an abalone bed - Google Patents

Abstract

PURPOSE: A process of preparing the titled assorted feed is provided by adding a nutrient-enriching agent and attracting material to the conventional feed comprising a protein source and a fat source. Whereby, the assorted feed increases resistance to change in water quality and disease as well as promotes the growth of an abalone. CONSTITUTION: A mixture of 15 to 25% by weight of one or more of white fish meal, rennet casein and soybean powder as a protein source, 5 to 8% by weight of one or more of fish fatty acid and vegetable oil as a lipid source, 10 to 15% by weight of one or more of wheat flour and potato starch as a carbohydrate source, 15 to 25% by weight of one or more of seaweed powder of Undaria pinnatifida and Laminaria japonica and 3 to 10% by weight of a nutrient-enriching agent is kneaded with a mixture of a viscose material, agar, loess and aloe, formed and then aged at 30 to 50deg.C for 20 to 60min.

Description

Manufacturing method of compound feed for abalone farming {A MANUFACTURING PROCESS OF ASSORTED FEED FOR AN ABALONE BED}

The present invention relates to a feed for cultivating abalone, and in particular, to promote the growth rate of abalone and to maintain the adhesiveness of the solidified feed in the water to prevent contamination of water quality in the method of producing a blended feed for abalone culture It is about.

In general, abalone is widely used as food because of its delicious taste and high nutritional value, and techniques for farming it are widely developed.

The abalone farming was a key factor in securing the farm and the efficacy of the feed to determine the success. Especially, the feed was the main factor that influenced not only the growth of abalone, but also the high and low water pollution and excreta.

In other words, the feed is produced by mixing a variety of components, such as protein sources, carbohydrate sources, fat sources, widely used, and evenly has the nutrients necessary for the growth of abalone.

As a conventionally developed feed, Korean Patent Publication No. 1999-75558, "Food composition for abalone farming," which is 30-50% of one or more protein sources selected from fishmeal, meat meal, soybean meal, and lotus leaf, small white powder, and rextrin At least one carbohydrate source selected from potato starch, sucrose, and a lipid source containing 0.5 to 10%, a pressure sensitive adhesive 3 to 10%, and an additive containing at least 0.5 to 7% of a highly saturated fatty acid. .

However, these conventional selections have only basic nutrients as the abalone grows, but insufficient elements for promoting growth, and the following problems have been raised such that water pollution due to feed cannot be prevented.

First, the conventional selection is unreasonable to promote the growth of abalone in the mixing ratio of protein source, carbohydrate source, and fat source, due to excessive excess of protein source and carbohydrate source, the growth of the shell is accelerated, but the growth of meat is reduced In addition to the basic nutrients, nutrient enhancers that promote abalone growth and disease resistance should be mixed. However, due to the excessive mixing amount of protein sources and carbohydrates, the content of nutrient enhancers was inevitably lowered.

Second, the conventional selection is to solidify by cutting the feed mixed with each component into a hexahedron, because the high water content is easily dissolved when the feed into the reproductive tract caused water pollution. In other words, the feed should be consumed as abalone when it is put into the farm, but since it dissolves in a short time, the amount of abalone can be ingested, resulting in waste of the feed, and the dissolved feed is farmed. Corruption in the gut contaminated the water quality, worsening the environment of the farm, eventually causing mass deaths.

Third, the feed according to the conventional selection has a weak function of increasing the resistance of abalone due to changes in water quality or bacterial generation, which is a condition of the farm, and changes in water quality or water temperature according to internal and external requirements of the farm. In this case, the condition of the farm should be artificially changed to the condition that the abalone is in good condition, but the abalone itself must have a certain resistance to such change, and the conventional feed does not increase the resistance to abalone. As a result, abalone activity was lowered and growth was delayed and group death was caused.

The present invention has been researched and developed in order to solve the above problems, by adding a nutrition enhancer and an attractant to the feed consisting of conventional protein source, carbohydrate source and fat source, to promote the growth of abalone, or change in water quality The technical challenge is to increase resistance to disease.

Another technical problem of the present invention is to increase the strength and adhesion of the feed in solidifying the feed so that it is not easily dissolved when the feed is added to the farm, thereby preventing unnecessary feed and preventing contamination of the water.

The present invention is a known production method for producing a mixture of protein source, lipid source, carbohydrate source, pressure-sensitive adhesive, etc. in order to produce a feed of aquaculture abalone,

15-25% by weight of one or more protein sources of white fish meal, rennet-casein and soybean meal; 5 to 8% by weight of at least one lipid source among fish fatty acids and vegetable oils; 10 to 15% by weight of one or more carbohydrate sources of wheat flour and potato starch; A feed mixing step of mixing 15 to 25% by weight of one or more seaweed powders of seaweed and kelp by weight ratio and 3 to 10% by weight of nutrient enhancer; A molding process of adding moisture to the mixture mixed in the feed mixing process and then kneading to prepare a predetermined form; It is to prepare a feed while sequentially performing a rapid process to remove moisture by applying heat for 20 to 60 minutes at 30 to 50 ℃ molded product prepared in the molding process.

The nutrient fortifying agent is a non-mineral mixture of vitamin B1, vitamin B2, ester type natural vitamin A, yeast, etc. may be selectively used, and mineral mixtures of calcium carbonate (CaCO ₃ ), iron chloride, zinc mineral, etc. may be selectively used. These nutrient enhancers are used for the purpose of reinforcing the nutrition of the feed, it is desirable to minimize the uniformity and stability of the entire ingredient of the feed in consideration of economic efficiency.

In addition, by selecting and adding one or more of foot mucus, loess, herbal medicine, agar, crustacean extract, aloe, the attraction and growth rate of the feed and resistance to disease are improved.

Hereinafter, the present invention will be described in detail by the manufacturing process as follows.

Feed mixing process

15 to 25% by weight of one or more dan protein sources of white fish meal, rennet-casein and soy flour, and 10 to 15% by weight of one or more carbohydrate sources in fish fatty acids and vegetable oils, and one or more seaweed powders of seaweed and kelp 15 to 25% by weight and 3 to 10% by weight of the nutrient enhancer are mixed homogeneously using a mixer or the like.

If the protein source is less than 15% by weight of the abalone nutrition during breeding of abalone, when the excess of 25% of the shell of the abalone is excessively developed, the marketability of food as food is reduced, so the total weight ratio of protein source 15 to 25 It is preferable to set it as%.

It is preferable that the weight ratio of the said lipid source is 5 to 8%, and when it is out of the said range, a nutrient tends to be biased.

When the carbohydrate source is less than 10% by weight, nutritional deficiency occurs during abalone breeding, and when 15% is exceeded, the excess carbohydrate is lost in balance with other nutrients. Thus, the total weight ratio of protein source is 10-15%. It is preferable to set it as.

The algae powder is less than 15% by weight of the abalone and affinity of the algae having affinity and lack of induction of the abalone, when the excess of 25% loses the total balance of nutrients, the weight ratio of seaweed powder as a total weight ratio It is preferable to set it as 15 to 25%.

The nutrient enhancer should be adjusted according to the blending amount of the protein source, the lipid source, and the carbohydrate source, but the weight ratio is preferably 3 to 10%.

<Molding process>

Molding process is a process for solidifying the mixed mixture in a predetermined form in the feed mixing process.

The dough solution obtained by mixing water and foot foot mucus, agar, loess, herbal medicine and aloe is added to the mixture and kneaded to maintain moisture in a good state for molding.

The kneaded material is put into a mold formed in the form of feed, pressurized and taken out, and the feed shape of the desired form is formed.

<Maturation process>

The aging process is a process of improving the strength and adhesion of the feed by removing the moisture contained in the moldings produced in the molding process.

The molding is put into a drying furnace and heated for 20 to 60 minutes while maintaining an internal temperature of 30 to 50 ° C. to prepare a finished feed of a certain form.

When the rapid temperature is less than 30 ℃, the work time is delayed and the workability is lowered. When the rapid temperature exceeds 50 ℃, the nutrients contained in the feed are destroyed or cracks are generated in the product, resulting in a high incidence of defects, and thus 30 to 50 ℃. desirable.

If the time is less than 20 minutes, the moisture content is too high, the hardness and adhesion of the product is lowered, and if it exceeds 60 minutes, not only the manufacturing time is delayed, but also the problem of destruction of nutrients contained in the feed is raised. 60 minutes are preferable.

<Example>

After preparing the feed by the manufacturing process, it will be described an embodiment measuring the efficacy of the feed for this.

Table 1 Composition ratio of feed

Raw material Mixing ratio to total weight (%) Fish 17.0 Wheat flour 26.0 Starch 7.0 Soy flour 25.0 Seaweed Powder 15.0 Geraltine 3.0 Foot mucus 2.0 Vitamin Mix 1.5 Mineral mixtures 3.0

Each raw material was mixed and matured according to the composition ratios of Table 1, and the feed was prepared to solidify to a certain size. The outer shape of the feed was formed in the form of a thickness of 1.5 mm and a width of 10 × 10 mm, and stored in a vacuum state. It was put into abalone farm and used as feed.

In order to examine the results of using the feed for abalone farming, the abalone plaques purchased from Geoje Island on October 26, 1998 were tested. The experiment period took 14 months from 26th 1998 to 26th December 1999. The experimental plaques were 1800 dogs with 300 abalones of 10 mm and 30 mm in average angular cavity length.

In addition, the feed was fed 7 ~ 8g at a time every two days based on one 10mm plaque and 65 ~ 70g at a time every two days based on one 30mm plaque, The results can be seen in Tables 2 and 3.

Table 2 Types of Feed

A: Conventional feed with seaweed and kelp as the main ingredient.

B: A feed developed in Japan, a conventional feed formulated with a protein source, a lipid source, and a carbohydrate source.

C: feed prepared by the present invention.

Overturning of test subject: In case of length 10mm

Product results Final length Grown length Survival rate A 26.5 mm 16.5mm 89% B 27.1 mm 17.1 mm 93% C 32.3mm 22.3mm 93%

Table 3 Types of Feed

A: A conventional feed made from seaweed and kelp as main ingredients.

B: A feed developed in Japan. A conventional feed containing a protein source, a lipid source, and a carbohydrate source.

C: feed prepared by the present invention.

Overturning of test subject: In case of length 30mm

Product results Final length Grown length Survival rate A 46.9 mm 16.9 mm 91% B 47.8mm 17.8mm 92% C 52.4 mm 22.4mm 94%

result

As a result of breeding 10mm and 30mm abalone in each feed as shown in Table 2 and Table 3, both growth and survival rate was poor in the conventional feed and conventional feed, and the feed of the present invention was excellent in both growth and survival rate. Proven.

As described above, the present invention produces a high-quality feed, the abalone farmed by the feed of the present invention increases the growth rate during the unit period, so that a small amount of feed is used in the abalone farming for a short period of time to increase the economic efficiency It works.

In addition, by adding nutrient enhancers and attracting substances to the feed, it is effective in minimizing the death rate of abalone by increasing resistance to water quality changes and diseases in the farm, and actively ingesting the feed by activating abalone. To be done.

In addition, compared to the conventional feed by adjusting the amount of protein source and carbohydrate source by the required amount, the shell of the abalone is prevented from being excessively enlarged, the contents are enriched, the product value is increased.

In addition, since the strength and adhesion of the solidified feed is increased, it is not easily dissolved in water when it is added to aquaculture farms, so it is easy to consume abalone. By minimizing the amount of feed waste, it is possible to farm abalone as a small amount of feed.

The present invention is an advantageous invention that can contribute to the development of fishing villages by economically farming abalone with high marketability while solving the problems of feed, which is a major factor in the success and failure of abalone farming.

Claims (1)

In order to prepare a feed for aquaculture abalone, a known manufacturing method of mixing a protein source, a lipid source, a carbohydrate source, a pressure-sensitive adhesive, etc., and then solidifying it in a predetermined form, one of white fish meal, rennet-casein, and soy flour. 15-25% by weight of the above protein sources, 5-8% by weight of one or more lipid sources in fish fatty acids and vegetable oils, 10-15% by weight of one or more carbohydrate sources of wheat flour and potato starch, one of seaweed and kelp A feed mixing step of mixing 15 to 25% by weight of the above seaweed powder and 3 to 10% by weight of nutrient enhancer; A molding process of kneading the mixture of the feed mixing process with a dough solution obtained by adding at least one of foot foot mucus material, agar, loess, medicinal herbs and aloe to water, and then pressing the mold to a certain size; Method of producing a blended feed for abalone culture, characterized in that to carry out the aging step of aging by heating the molded product after the molding step for 20 to 60 minutes at a temperature of 30 ~ 50 ℃.