JP2016127865A5 - - Google Patents

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JP2016127865A5
JP2016127865A5 JP2016074238A JP2016074238A JP2016127865A5 JP 2016127865 A5 JP2016127865 A5 JP 2016127865A5 JP 2016074238 A JP2016074238 A JP 2016074238A JP 2016074238 A JP2016074238 A JP 2016074238A JP 2016127865 A5 JP2016127865 A5 JP 2016127865A5
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himejako
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ヒメジャコの陸上効率養殖方法Efficient culturing method for Himejako

本発明は、ヒメジャコを陸上の水槽で効率的に養殖し成長させる方法に関する。 The present invention relates to a method for efficiently cultivating and growing himejako in an onshore water tank.

特許文献1のように、稚貝植付穴に稚貝を植えつけた養殖盤に、新鮮な海水が供給された陸上水槽を設置することで、稚貝を成長させることが提案されている。しかし、この稚貝が成長して収穫する際には、成長した貝の周りをタガネなどの道具で掘って貝を穴から出す必要があり、しかも貝の中身が傷ついて死んでしまい、市場価値が格段と低下する。また、ヒメジャコの生態として、狭い養殖穴の中で貝を開閉するので、効率的に自由に貝を開いて太陽光を効果的に受光し成長することが困難となる。 As in Patent Document 1, it has been proposed to grow larvae by installing an onshore tank to which fresh seawater is supplied on a culture board in which larvae are planted in larvae planting holes. However, when this young shellfish grows and harvests, it is necessary to dig around the grown shellfish with a tool such as a chisel to bring it out of the hole, and the shell contents are damaged and die, resulting in market value. However, it will drop dramatically. In addition, as the ecology of tiger oysters, shells are opened and closed in narrow culture holes, making it difficult to efficiently open shells and receive sunlight effectively to grow.

特開平10−117628号JP-A-10-117628

このように陸上で養殖する場合であっても、成長した貝の周りをタガネなどで掘って貝を穴から出す必要があるので、貝の中身が傷ついて死んでしまい、市場価値が格段と低下するという欠点がある。なお、シャコガイには、ヒメジャコのほかにヒレジャコ、シラナミ、ヒレナシジャコ、シャゴウ、トガリシラナミの6種類が居るが、ヒメジャコの方が美味しいし市場価値も高いので、盛んに養殖が試行されている。しかし、岩場に体液で穴を掘って生息するので養殖が困難とされている。
ところが、発明者の発見によると、陸上で養殖する場合は、養殖穴の拘束を受けないように、初めから養殖穴無しの水槽で養殖する方が、太陽光を効率的に受光して短期に成長でき、有利であると判断した。
本発明の技術的課題は、このような問題に着目し、養殖穴を形成する必要が無く、自由に貝を開放して太陽光を受光でき、成長したヒメジャコの収穫も極めて簡単となり、中身が傷むことも無い陸上効率養殖方法を実現する。
Even when cultivating on land like this, it is necessary to dig around the grown shellfish with a chisel and take it out of the hole, so the contents of the shell will be damaged and die, and the market value will decline significantly There is a drawback of doing. There are six types of giant clam, Hijajako, Shiranami, Hirenashijako, Xagou and Togarichiranami. However, it is difficult to cultivate because it is inhabited by digging holes in the rocks with body fluids.
However, according to the discovery of the inventor, when cultivating on land, it is better to cultivate in a water tank without aquaculture holes from the beginning so that sunlight is efficiently received in a short period of time so as not to be restrained by aquaculture holes. We were able to grow and judged that it was advantageous.
The technical problem of the present invention pays attention to such a problem, it is not necessary to form a culture hole, the shell can be freely opened and sunlight can be received, and the harvest of the grown tiger oyster becomes extremely simple, and the contents are Achieving a land-based aquaculture method that will not be damaged.

本発明の技術的課題は次のような手段によって解決される。請求項1は、陸上に設けた水槽の中で、養殖穴の中に稚貝を入れる従来方法ではなく、ヒメジャコの貝が露出した状態で養殖し、成長後に貝や中身を傷付けずに無傷の状態で収穫し商品化することを特徴とするヒメジャコの陸上養殖方法である。 The technical problem of the present invention is solved by the following means. Claim 1 is not a conventional method in which juveniles are placed in aquaculture holes in an aqua tank provided on land, but is cultured with the shells of Himejako exposed and intact after the growth without damaging the shells and contents. This is a method for cultivating Himejako on land, which is harvested and commercialized in a state.

請求項2は、養殖穴の中に稚貝を入れずにヒメジャコの貝が露出した状態で陸上で養殖し、中身が貝に入ったまま、貝や中身を傷付けずに無傷の状態で水槽から取り出して商品化したこことを特徴とするヒメジャコである。 Claim 2 is that it is cultivated on land with the oyster oyster shells exposed without placing the juveniles in the culturing holes , and the contents remain in the shells, without damaging the shells or contents, from the tank. This is Himejako, which is characterized by being taken out and commercialized.

請求項3は、陸上に設けた水槽の底に珊瑚質その他の小石及び/又は砂であって、ヒメジャコが養殖穴の拘束を受けないように、稚貝の入る養殖穴を形成してないものを設け、前記小石及び/又は砂が水没するように海水を供給し、ヒメジャコの外敵は水槽内に入れずに、前記小石及び/又は砂にヒメジャコが支持され、養殖穴が無いため貝の外側まで受光して光変色したヒメジャコであって、成長時の貝の中に入ったままの状態で前記水槽から取り出して商品としたことを特徴とする陸上養殖光変色ヒメジャコである。Claim 3 is a pebble and / or other pebbles and / or sand at the bottom of the aquarium provided on land, and does not form a culture hole for young oysters so that himejako is not restricted by the culture hole Sea water is supplied so that the pebbles and / or sand are submerged, and the outer enemies of Himejako are not placed in the water tank, and the Himejako is supported by the pebbles and / or sand, and there is no aquaculture hole. This is a land-cultivated light-discolored Japanese octopus characterized in that it is light-discolored by receiving light until it has been taken out of the aquarium and used as a product.

請求項4は、陸上に設けた水槽を合成樹脂製とするか及び/又は内面に合成樹脂の塗料を塗布するか及び/又はフィルムやシートで覆って非透水性とすると共に海水を供給し、ヒメジャコが養殖穴の拘束を受けないように、稚貝の入る養殖穴を形成せずにヒメジャコが自由に貝を開放可能とし、ヒメジャコの外敵は水槽内に入れずに、かつ水槽に直接にヒメジャコが支持され、養殖穴が無いため貝の外側まで受光して光変色したヒメジャコであって、成長時の貝の中に入ったままの状態で前記水槽から取り出して商品としたことを特徴とする陸上養殖光変色ヒメジャコである。According to claim 4, the water tank provided on land is made of synthetic resin and / or the inner surface is coated with a synthetic resin paint and / or covered with a film or sheet to make it impermeable and supply seawater. In order to prevent Himejako from being restrained by aquaculture holes, Himejaco can freely open shellfish without forming a culture hole for young larvae to enter, and the foreign enemy of Himejaco does not enter the tank and is directly in the tank. Is supported, and it is light-discolored by receiving light from the outside of the shell because there is no aquaculture hole, and it is a product that is taken out from the aquarium while still in the shell when growing It is a land-cultured light-discolored Himejako.

請求項1のように、陸上に設けた水槽の中で、養殖穴の中に稚貝を入れずにヒメジャコの貝が露出した状態で養殖し、成長後に貝や中身を傷付けずに無傷の状態で収穫し商品化するメジャコの陸上養殖方法であるので、植付穴を形成する必要も無いので、養殖施設の構成は簡単安価となる。しかも収穫に際して、成長した貝の周りをタガネなどで掘る必要も無く、しかも貝の中身が傷ついて傷んだりすることもない。特に、ヒメジャコは狭い養殖穴の中で生息するのではないので、外敵を恐れる必要も無くストレスが溜まらないばかりか、貝を十分に開いたままとし、太陽光を存分に取り入れ、光エネルギーを有効利用して成長を促進できる。 As in claim 1, in the aquarium provided on land, cultivated without the larvae in the aquaculture holes with the shells of the tiger octopus exposed, and intact after the growth without damaging the shells and contents Since it is a land culture method for harvesting and commercializing it, there is no need to form a planting hole, so the structure of the culture facility is simple and inexpensive. Moreover, when harvesting, there is no need to dig around the grown shells with a chisel, and the contents of the shells are not damaged and damaged. In particular, Himejako does not live in a narrow aquaculture hole, so there is no need to be afraid of external enemies and stress does not accumulate, but the shells are kept fully open, taking in sunlight and taking in light energy. Effective use can promote growth.

請求項2のように、養殖穴の中に稚貝を入れる従来方法ではなく、ヒメジャコの貝が露出した状態で養殖し、中身が貝に入ったまま、貝や中身を無傷の状態で水槽から取り出して商品化するので、稚貝の植付け穴を形成する必要はなく、養殖施設の構成が簡単で安価となる。しかも収穫に際して、成長した貝の周りをタガネなどで掘る必要も無く、貝の中身が傷ついて傷んだりすることもない。特に、ヒメジャコは養殖穴の拘束を受けずに貝を十分に開いたままとし、太陽光を存分に取り入れ、光エネルギーを効率的に利用して成長でき、ストレスも溜まらない。 As in claim 2, instead of the conventional method of putting juveniles into the culture holes, they are cultivated in a state where the shellfish are exposed , and the shells and contents are left intact from the aquarium with the contents remaining in the shells. Since it is taken out and commercialized, it is not necessary to form a planting hole for juvenile shellfish, and the structure of the aquaculture facility is simple and inexpensive. Moreover, when harvesting, there is no need to dig around the grown shellfish with a chisel or the like, and the contents of the shellfish are not damaged and damaged. Himejako, in particular, keeps its shells fully open without being constrained by aquaculture holes, and can grow by using sunlight efficiently, using light energy efficiently, and does not accumulate stress.

請求項3のように、陸上に設けた水槽の底に珊瑚質その他の小石及び/又は砂であって、ヒメジャコが養殖穴の拘束を受けないように、稚貝の入る養殖穴を形成してないものを設け、前記小石及び/又は砂が水没するように海水を供給し、ヒメジャコの外敵は水槽内に入れずに、前記小石及び/又は砂にヒメジャコが支持され、養殖穴が無いため貝の外側まで受光して光変色したヒメジャコであって、成長時の貝の中に入ったままの状態で前記水槽から取り出して商品としたので、明細書の段落[0015]の末尾に記載のように、本発明の陸上養殖方法によると、稚貝を入れる穴を形成する必要が無いだけでなく、収穫も簡単でヒメジャコの市場価値も低下しない。加えて、ヒメジャコは、養殖穴の拘束を受けるようなことは無く、貝を十分に開いたままで生息でき、太陽光を十分に取り入れて光エネルギーを利用でき、効率的に成長する。また、段落[0015]の中程に記載のように、本発明の場合は、ヒメジャコ6が穴に隠れることは無く、小石5及び/又は砂に吸着しているだけであるから、吸着した小石及び/又は砂も一緒に収穫し出荷できる。As in claim 3, the bottom of the aquarium provided on land is a pebble and / or other pebbles and / or sand, and a culture hole into which a juvenile shellfish is placed is formed so that himejako is not restrained by the culture hole. Sea water is provided so that the pebbles and / or sand are submerged, and the enemy is not placed in the aquarium, and the oysters are supported by the pebbles and / or sand, and there is no aquaculture hole. As shown in the end of paragraph [0015] of the specification, the scallop is light-discolored by receiving light outside and is taken out of the aquarium while still in the growing shell. In addition, according to the land culture method of the present invention, not only is it not necessary to form a hole for inserting a juvenile shellfish, but also the harvesting is simple and the market value of himejako does not decrease. In addition, the giant octopus is not constrained by aquaculture holes, can live with the shells fully open, can take in enough sunlight and use light energy, and grows efficiently. Further, as described in the middle of paragraph [0015], in the case of the present invention, Himejako 6 is not hidden in the hole, and is only adsorbed to pebbles 5 and / or sand. And / or sand can be harvested and shipped together.

請求項4のように、陸上に設けた水槽を合成樹脂製とするか及び/又は内面に合成樹脂の塗料を塗布するか及び/又はフィルムやシートで覆って非透水性とすると共に海水を供給し、ヒメジャコが養殖穴の拘束を受けないように、稚貝の入る養殖穴を形成せずにヒメジャコが自由に貝を開放可能とし、ヒメジャコの外敵は水槽内に入れずに、かつ水槽に直接にヒメジャコが支持され、養殖穴が無いため貝の外側まで受光して光変色したヒメジャコであって、成長時の貝の中に入ったままの状態で前記水槽から取り出して商品としたので、明細書の段落[0015]の末尾に記載のように、本発明の陸上養殖方法によると、稚貝を入れる穴を形成する必要が無いだけでなく、収穫も簡単でヒメジャコの市場価値も低下しない。加えて、ヒメジャコは、養殖穴の拘束を受けるようなことは無く、貝を十分に開いたままで生息でき、太陽光を十分に取り入れて光エネルギーを利用でき、効率的に成長する。The water tank provided on land is made of synthetic resin and / or the inner surface is coated with synthetic resin paint and / or covered with a film or sheet to make it impermeable and supply seawater However, in order to prevent Himejako from being restrained by aquaculture holes, Himejako can freely open shellfish without forming a culture hole for young larvae to enter, and the enemy of Himejako does not enter the tank and directly into the tank. Himejako is supported by, and because there is no aquaculture hole, it is light-discolored by receiving light to the outside of the shell, and it is taken out from the aquarium as it is in the shell at the time of growth, and it is used as a product. As described at the end of paragraph [0015] of the book, according to the land culture method of the present invention, not only does it not be necessary to form a hole for inserting a juvenile shellfish, but also the harvesting is easy and the market value of himejako does not decrease. In addition, the giant octopus is not constrained by aquaculture holes, can live with the shells fully open, can take in enough sunlight and use light energy, and grows efficiently.

本発明により陸上に設けるヒメジャコ養殖用の水槽の斜視図である。It is a perspective view of a water tank for cultivating Japanese octopus provided on land according to the present invention. 前記水槽の縦断面図である。It is a longitudinal cross-sectional view of the said water tank. 前記水槽の別の実施形態を示す縦断面図である。It is a longitudinal cross-sectional view which shows another embodiment of the said water tank. ヒメジャコの収穫方法であり、(1) は従来方法、(2) は本発明の方法である。This is a method for harvesting Japanese octopus. (1) is a conventional method and (2) is a method of the present invention.

次に本発明によるヒメジャコの陸上養殖方法が実際上どのように具体化されるか実施形態で説明する。図1は、陸上に設ける養殖用の水槽であり、長方形の水槽1、2が形成されている。図の右側の水槽1は、陸上においてコンクリートブロック3…で容器状に形成してある。底部は見えないが、コンクリートブロックを敷きつめて底面を形成してある。しかも、水が透過しないように、非透水性の塗料を内面に塗布したりして、海水が漏れないようにしてある。 Next, an embodiment explains how the land-based aquaculture method according to the present invention is actually realized. FIG. 1 shows an aquaculture tank provided on land, and rectangular tanks 1 and 2 are formed. The water tank 1 on the right side of the figure is formed in a container shape with concrete blocks 3 on land. Although the bottom is not visible, concrete blocks are laid down to form the bottom. In addition, a non-water-permeable coating is applied to the inner surface so that water does not permeate, so that seawater does not leak.

左側の水槽2は、ベニア板4で容器状に形成し、水が透過しないように、非透水性の塗料を内面に塗布したりして、海水が漏れないようにしてある。水槽1、2の内面は、非透水性の塗料の塗布に代えて又は非透水性の塗料の塗布と共に、非透水性のフィルムやシートで覆って水漏れ防止を確実にすることもできる。なお、FRPなどのような強度もあり、非透水性の合成樹脂で水槽1、2を形成し、その底又は非透水性のフィルムやシートにヒメジャコが吸着支持される方法でもよい。 The water tank 2 on the left side is formed in a container shape with a veneer plate 4, and a water-impermeable paint is applied to the inner surface so that water does not permeate, so that seawater does not leak. The inner surfaces of the water tanks 1 and 2 may be covered with a water-impermeable film or sheet in place of the water-impermeable paint or together with the water-impermeable paint to ensure water leakage prevention. In addition, there is also strength such as FRP and the like, and a method in which the water tanks 1 and 2 are formed of a non-permeable synthetic resin and the swordfish is adsorbed and supported on the bottom or a non-permeable film or sheet.

このように、海水が漏れないように水密機能を確保した上で、図2のように、水槽1、2の底に、珊瑚質その他の小石(砂利やバラスなども含まれる)5…及び/又は砂を3〜15cm好ましくは5〜10cm程度敷きつめ、前記小石5…及び/又は砂が水没するように海水Wを供給する。海水Wは、常時新鮮な海水が海からポンプアップし給水されるように、パイプPを設けてある。なお、ヒメジャコ6…の養殖で汚れた槽水は、水槽1、2の外に排水される。小石5…及び/又は砂の層は、下2cm程度は汚れで臭くなり、砂を用いても1年もすると汚れることもある。 In this way, after ensuring a watertight function so that seawater does not leak, as shown in FIG. 2, the bottoms of the tanks 1 and 2 are provided with sediments and other pebbles (including gravel and ballast) 5. Alternatively, sand is laid for about 3 to 15 cm, preferably about 5 to 10 cm, and seawater W is supplied so that the pebbles 5 and / or sand is submerged. The seawater W is provided with a pipe P so that fresh seawater is always pumped up and supplied from the sea. In addition, the tank water soiled by the cultivation of the himejako 6 ... is drained outside the tanks 1 and 2. The pebbles 5 and / or the sand layer becomes dirty and odors in the lower 2 cm, and even if sand is used, it may become dirty in one year.

従って、図3のように、水槽の底に強度のある網7を敷いてその上に小石5…及び/又は砂を敷き詰め、網7の下側は漏斗状の汚水集め8を形成し、汚水を回収して常時排水する構造にすると、水槽1、2の中を清掃する負担が軽減される。
以上の構成の養殖施設を陸上に設け、ヒメジャコ6の稚貝が前記小石5及び/又は砂に支持されるようにして養殖する。この際、常時新鮮な海水を海からポンプアップして水槽1、2に給水し、ヒメジャコ6で汚染されたら、網7の下に沈降させて水槽外に排水する。当然ではあるが、ヒメジャコの外敵となる動物は水槽1、2に入れない。従って、ヒメジャコは、養殖穴の拘束も受けずに貝を十分に開いたままで生息でき、太陽光を十分に取り入れて光エネルギーを利用し、円滑に効率的に成長できる。
Therefore, as shown in FIG. 3, a strong net 7 is laid on the bottom of the aquarium, and pebbles 5 and / or sand are laid on the bottom, and a funnel-like sewage collection 8 is formed on the lower side of the net 7 so that the sewage If it is made the structure which collect | recovers and always drains, the burden which cleans the inside of the water tanks 1 and 2 will be reduced.
The aquaculture facility having the above-described configuration is provided on land, and the larvae of himejaco 6 are cultivated so that they are supported by the pebbles 5 and / or sand. At this time, fresh seawater is always pumped up from the sea and supplied to the water tanks 1 and 2, and when contaminated with the himejako 6, it is settled under the net 7 and drained outside the water tank. As a matter of course, the animals that are the enemy of Himejako cannot be put in the tanks 1 and 2. Therefore, himejako can live with the shells fully open without being restrained by aquaculture holes, and can grow efficiently and smoothly by taking in enough sunlight and using light energy.

ヒメジャコ6は、珊瑚の死骸や他の小石5及び/又は砂に付着し支持されるが、ヒメジャコ6の嫌う灰汁などを出さない限り、FRPなどの合成樹脂類にも吸着する。従って、水槽の底面又は底面付近は、小石5及び/又は砂を数cmの層状に敷きつめる代わりに、ヒメジャコが嫌う材質でない限り、合成樹脂の部材に直接に吸着支持させることも可能である。あるいは、水槽の内面に非透水性の塗料を塗布したり、フィルムやシートで覆って非透水性の水槽にしてもよい。なお、パイプPとは反対側において、水槽1、2の側壁を低くしたり穴を開けて、水槽内の汚水がオーバーフローする構造も可能である。 Himejako 6 adheres to and is supported by carcasses and other pebbles 5 and / or sand, but adsorbs to synthetic resins such as FRP as long as ash juice that Himejako 6 dislikes is not produced. Therefore, instead of laying the pebbles 5 and / or sand in layers of several centimeters, the bottom of the water tank can be directly adsorbed and supported by a synthetic resin member as long as it is not a material disliked by Himejako. Or you may make a water-impermeable water tank by apply | coating a water-impermeable paint to the inner surface of a water tank, or covering with a film or a sheet | seat. In addition, the structure where the side wall of the water tanks 1 and 2 is made low or a hole is made on the opposite side to the pipe P and the sewage in the water tank overflows is also possible.

次に、成長したヒメジャコの収穫方法を説明する。海底のヒメジャコ9は、体液を分泌して、海底の岩に穴を掘り、図4(1) のように隠れるという習性がある。発明者の実験の結果、この習性は、外敵から身を守るためのようである。
従って、成長したヒメジャコ9を収穫する際は、タガネiなどで周囲の岩10を削って貝9を取り出す必要があるが、この際に身を傷めてしまい、市場価値も低下する。
ところが、本発明の場合は、ヒメジャコ6が穴に隠れることは無く、小石5及び/又は砂に吸着しているだけであるから、吸着した小石及び/又は砂も一緒に収穫し出荷できる。小石及び/又は砂などが無く、水槽の底やシートなどに吸着している場合は、(2) のようにヘラ11などを用いて、剥離させて出荷する。
そのため、本発明の陸上養殖方法によると、稚貝を入れる穴を形成する必要が無いだけでなく、収穫も簡単でヒメジャコの市場価値も低下しない。
加えて、ヒメジャコは、養殖穴の拘束を受けるようなことは無く、貝を十分に開いたままで生息でき、太陽光を十分に取り入れて光エネルギーを利用でき、効率的に成長する。
Next, a method for harvesting grown Japanese octopus will be described. The submarine Himejako 9 has the habit of secreting fluid and digging a hole in the rock at the bottom of the sea to hide as shown in Fig. 4 (1). As a result of the inventor's experiment, this behavior seems to protect himself from foreign enemies.
Therefore, when harvesting the cultivated giant octopus 9, it is necessary to remove the shells 9 by scraping the surrounding rock 10 with a chisel i or the like, but at this time, the body is damaged and the market value is also reduced.
However, in the case of the present invention, the giant octopus 6 is not hidden in the hole and is only adsorbed to the pebbles 5 and / or sand, so that the adsorbed pebbles and / or sand can also be harvested and shipped together. If there is no pebbles and / or sand, etc., and they are adsorbed to the bottom or sheet of the water tank, they are peeled off using a spatula 11 as shown in (2) before shipping.
Therefore, according to the land culture method of the present invention, it is not only necessary to form a hole for inserting a juvenile shellfish, but also the harvesting is easy and the market value of himejako does not decrease.
In addition, the giant octopus is not constrained by aquaculture holes, can live with the shells fully open, can take in enough sunlight and use light energy, and grows efficiently.

最後にヒメジャコの習性の研究成果を説明する。本発明の発明者は、特殊事情により、急にヒメジャコの稚貝を大量に入手したので、穴を開ける時間もなく、止むを得ず小石を集めて水槽の底に敷いて養殖してみた。また、小石の量も十分でなく、小石無しで養殖した例もある。
このように準備不足で始めたので、全く期待はしてなかったが、稚貝の植付け穴は全く開けなくても、ヒメジャコは順調に成長した。そこで疑問に思っていろいろと研究したところ、身を守るための外敵防止用の穴だろうと結論付けた。
上記のような準備不足の経験がかえって奏効し、ヒメジャコが穴を掘る目的を正しく理解できたのは発明者だけであり、その証拠に、引用文献1のような陸上養殖であっても養殖穴が不可欠だと鵜呑みしていた。また、海底を模した状態でヒメジャコを支持させるように、水槽の底部に小石を敷設しただけでは、外敵に捕食される危険があり、不充分である。従って、当然ではあるが、和食店の水槽などでは、ヒメジャコにとって外敵となる魚介類は一緒に入れないことが前提になる。
Finally, I will explain the research results of Himejako's habits. The inventor of the present invention suddenly obtained a large number of larvae of Himejako due to special circumstances, so there was no time to drill holes, and it was unavoidable to collect pebbles and cultivate them on the bottom of the aquarium. In addition, the amount of pebbles is not sufficient, and there are examples of farming without pebbles.
In this way, we were not prepared at all, so we didn't expect anything, but Himejako grew steadily even if there were no holes for seedlings. I wondered there and researched it a lot, and concluded that it would be a hole to prevent foreign enemies to protect myself.
Only the inventor was able to correctly understand the purpose of digging a hole, and the evidence of the lack of preparation as described above was effective. It was regrettable that was indispensable. In addition, laying pebbles on the bottom of the aquarium so as to support the giant octopus in the state of imitating the sea floor is inadequate because there is a risk of predation by external enemies. Therefore, as a matter of course, it is assumed that seafood, which is a foreign enemy for Himejako, cannot be put together in Japanese aquariums.

ところで、本発明のように小石及び/又は砂を敷くのは、小石及び/又は砂を敷設して海底を模した状態でシャコ貝を支持させるようにした構成であり、容易に発明できると思われそうだ。しかし、海底で小石及び/又は砂を敷いても、ヒメジャコの外敵は防げないので、ヒメジャコは寄り付かないでしょう。ヒメジャコの習性上、外敵に襲われないようにする隠れ家用の穴を掘れる岩場が必要となるのである。
本発明は、この習性に反して、岩の無い、小石及び/又は砂を敷いただけの水槽の中でヒメジャコを成長させたのである。その秘訣は、前記のように、ヒメジャコの外敵さえ防止できれば(水槽に外敵さえ入れなければ)、穴は不必要であり、小石及び/又は砂でも支障は無いし、極端に言えば小石及び/又は砂さえも要らないのである。
このように、外敵が居ないと分かれば養殖穴は不要であり、しかも常時貝を開いたままにできるので、外敵によるストレスは受けないし、太陽光を常に受けてヒメジャコ自身も共生藻も効率的に成長し、短期に高品質のヒメジャコを養殖できる。
By the way, pebbles and / or sand as in the present invention has a configuration in which pebbles and / or sand are laid and the clam shell is supported in a state imitating the seabed, and can be easily invented. It seems to be broken. However, laying pebbles and / or sand on the seabed will not prevent him, so he will not come close. Because of Himejako's habits, a rocky place where you can dig a hole for a hideout to prevent being attacked by external enemies is required.
Contrary to this behavior, the present invention has grown himejako in an aquarium with no rocks and only pebbles and / or sand. The secret is that, as mentioned above, even if the foreign enemy of Himejako can be prevented (even if it does not enter the aquarium), the hole is unnecessary, and there is no problem with pebbles and / or sand. Or you don't even need sand.
In this way, if you know that there are no foreign enemies, you don't need aquaculture holes, and you can keep the shells open all the time, so you won't be stressed by external enemies, and you will always receive sunlight and both himejako and symbiotic algae are efficient. It can grow in high quality and can cultivate high-quality chickpeas in a short time.

以上のように、陸上に設けた水槽の底に珊瑚質その他の小石及び/又は砂を敷き、この小石及び/又は砂が水没するように海水を供給し、前記小石及び/又は砂にヒメジャコが支持されるようにして陸上養殖する方法や水槽を合成樹脂製とするか及び/又は内面に合成樹脂の塗料を塗布するか及び/又はフィルムやシートで覆って非透水性とすると共に海水を供給し、ヒメジャコの外敵は水槽内に入れない陸上養殖法だと、成長したヒメジャコの収穫が極めて簡単で品質低下も来さない。しかも、ヒメジャコが外敵を恐れる必要も無くストレスは溜まらないし、貝を開けっ放しにして太陽光をフルに受けて効率的に成長できる。 As described above, sediment and other pebbles and / or sand are laid on the bottom of a water tank provided on land, and seawater is supplied so that these pebbles and / or sand are submerged. The method of aquaculture on the ground to be supported and the water tank are made of synthetic resin and / or the inner surface is coated with synthetic resin paint and / or covered with a film or sheet to make it impermeable and supply seawater However, if the foreign enemy of Himejako is an aquaculture method that does not allow it to enter the aquarium, it will be extremely easy to harvest the grown Jachaco and will not cause quality degradation. In addition, it does not need to be afraid of foreign enemies, and stress does not accumulate, and it can grow efficiently by opening the shells and receiving full sunlight.

1、2 水槽
3 コンクリートブロック
4 ベニア板
5 珊瑚質その他の小石
W 海水
P パイプ
6 水槽内のヒメジャコ
7 網
8 汚水集め
9 穴中のヒメジャコ
i タガネ
10 岩
11 ヘラ

1, 2 Aquarium 3 Concrete block 4 Veneer board 5 Soil and other pebbles W Seawater P Pipe 6 Himejako 7 in the tank 7 Net 8 Collecting sewage 9 Himejako i in the hole
10 rocks
11 Spatula

Claims (4)

陸上に設けた水槽の中で、養殖穴の中に稚貝を入れる従来方法ではなく、ヒメジャコの貝が露出した状態で養殖し、成長後に貝や中身を傷付けずに無傷の状態で収穫し商品化することを特徴とするヒメジャコの陸上養殖方法。 Rather than the conventional method of putting juveniles in the aquaculture holes in the aquarium on land, they are cultivated with the shells of Himejako exposed and harvested without damaging the shells and contents after growing. A method for cultivating Himejako on land. 養殖穴の中に稚貝を入れずにヒメジャコの貝が露出した状態で陸上で養殖し、中身が貝に入ったまま、貝や中身を傷付けずに無傷の状態で水槽から取り出して商品化したこことを特徴とするヒメジャコ。 They farmed on land in a state in which the shell of Himejako is exposed to not put the spat in the aquaculture hole, while the contents entered the shellfish, and commercialization is taken out from the water bath in an intact state without damaging the shell and contents Himejako characterized by here. 陸上に設けた水槽の底に珊瑚質その他の小石及び/又は砂であって、ヒメジャコが養殖穴の拘束を受けないように、稚貝の入る養殖穴を形成してないものを設け、前記小石及び/又は砂が水没するように海水を供給し、ヒメジャコの外敵は水槽内に入れずに、前記小石及び/又は砂にヒメジャコが支持され、養殖穴が無いため貝の外側まで受光して光変色したヒメジャコであって、成長時の貝の中に入ったままの状態で前記水槽から取り出して商品としたことを特徴とする陸上養殖光変色ヒメジャコ。A pebble and / or other pebbles and / or sand are provided at the bottom of the aquarium provided on land so that the oyster oysters are not restrained by the culture holes. Seawater is supplied so that the sand is submerged, and foreign enemies of Himejako are not put in the aquarium, but Himejako is supported by the pebbles and / or sand, and there is no aquaculture hole. A land-cultured light-discolored Hime-jako, which is a discolored Hime-jako, which is taken out of the aquarium as a product while remaining in the shell during growth. 陸上に設けた水槽を合成樹脂製とするか及び/又は内面に合成樹脂の塗料を塗布するか及び/又はフィルムやシートで覆って非透水性とすると共に海水を供給し、ヒメジャコが養殖穴の拘束を受けないように、稚貝の入る養殖穴を形成せずにヒメジャコが自由に貝を開放可能とし、ヒメジャコの外敵は水槽内に入れずに、かつ水槽に直接にヒメジャコが支持され、養殖穴が無いため貝の外側まで受光して光変色したヒメジャコであって、成長時の貝の中に入ったままの状態で前記水槽から取り出して商品としたことを特徴とする陸上養殖光変色ヒメジャコ。The water tank provided on land is made of synthetic resin and / or the inner surface is coated with synthetic resin and / or covered with a film or sheet to make it impermeable and supply seawater. In order not to be restrained, it is possible to open the shellfish freely without forming a culture hole where young larvae enter, and without the enemies of Himejaco being placed in the aquarium, the himejaco is directly supported by the aquarium and cultured Land-cultivated light-discolored shrimp that is light-discolored by receiving light to the outside of the shell because there is no hole, and is taken out of the aquarium while still in the shell during growth. .
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