JP2012039916A - Method for preventing heat and controlling disease and pest in barn, and net used in the method - Google Patents

Method for preventing heat and controlling disease and pest in barn, and net used in the method Download PDF

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JP2012039916A
JP2012039916A JP2010182783A JP2010182783A JP2012039916A JP 2012039916 A JP2012039916 A JP 2012039916A JP 2010182783 A JP2010182783 A JP 2010182783A JP 2010182783 A JP2010182783 A JP 2010182783A JP 2012039916 A JP2012039916 A JP 2012039916A
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net
insecticide
water film
livestock
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JP5620744B2 (en
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Itsuro Tanaka
逸郎 田中
Kenji Fukumitsu
健二 福光
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TANAKA IND
Tanaka Sangyo Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide technologies for preventing heat and controlling diseases and pests in a barn, capable of protecting the livestock from heat and disease and pests more easily and at a low cost, and capable of retaining the health and productivity of the livestock at a high level.SOLUTION: The method for preventing heat and controlling disease and pests in the barn is characterized by setting a net with meshes, in which a water film can be formed, in an outside air opening part of the barn, and forming the water film by an insecticide solution with a solid or powder nonvolatile insecticide dissolved in water. After setting the net, the insecticide solution or water is sprayed or applied to the meshes to form the water film. Further, a water film is formed on a net shielding the south side of the barn.

Description

この発明は、豚や牛などの家畜を暑さと病害虫から防護する技術に係り、畜舎の開放部に殺虫液で水膜を形成したネットを設置した畜舎の防暑・防除方法および当該方法に用いるネットに関するものである。   TECHNICAL FIELD The present invention relates to a technology for protecting livestock such as pigs and cattle from heat and pests, and relates to a method for preventing and controlling heat in a barn where a net having a water film formed with an insecticidal solution is installed in an open part of the barn, and a net used in the method It is about.

家畜にとって暑さは環境ストレスの一つとされ、肥育状態や肉質・乳質にも影響する。家畜の中でも豚は比較的暑さに弱い動物といわれ、特に夏場における畜舎の温度上昇は、食欲の減退(いわゆる夏バテ)を招きやすく、また、仔豚にあっては生存率を低下させる原因ともなる。このように、家畜の健康や生産性を維持するうえで、畜舎の温度管理は非常に重要であり、近年の気球温暖化も視野に入れた畜舎の暑さ対策が必要となる。   For livestock, heat is one of the environmental stresses and affects fattening status, meat quality and milk quality. Among livestock, pigs are said to be relatively heat-sensitive animals, and the rise in barn temperature especially in summer tends to cause a decrease in appetite (so-called summer batter), and also causes a decrease in survival rate for piglets. . Thus, in order to maintain the health and productivity of livestock, the temperature management of the barn is very important, and it is necessary to take measures against the heat of the barn in consideration of the recent balloon warming.

そこで従来は、扇風機やミスト機によって、畜舎内を冷却する方法がとられていた。   Therefore, conventionally, a method of cooling the inside of the barn with a fan or a mist machine has been taken.

他方、家畜伝染病も畜産に直接且つ甚大な被害を及ぼし、その中でも***は、数個のウイルスで牛1頭を罹患させるといわれるほど、極めて強い感染力を有する。このため、***の発生が確認された場合は、その患畜はもちろん、疑似患畜をも直ちにと殺して、焼却または埋却することが法令で義務づけられている。これと同時に、現場地域における人や車両などの移動も厳しく制限される。こうした法令の措置は、主な伝染経路を封鎖することで***のまん延防止を図ろうとするものであるが、当該法令措置だけでは、***のまん延を十分に防止できないことがある。実際、2010年に宮崎県で発生した***問題では、家畜へのワクチン接種や現場地域に消毒ポイントを多数設置するなどの防疫措置もとられたが、最初の発生確認から僅か2ヶ月で27万頭超の家畜が殺処分の対象となった。   On the other hand, livestock infectious diseases also cause direct and enormous damage to livestock. Among them, foot-and-mouth disease is extremely infectious so that it is said that several cattle will affect one cow. For this reason, when the occurrence of foot-and-mouth disease is confirmed, it is required by law to kill not only the livestock but also the simulated livestock and incinerate or bury them. At the same time, movement of people, vehicles, etc. in the field area is severely restricted. These legislative measures attempt to prevent the spread of foot-and-mouth disease by blocking the main transmission routes, but the spread of foot-and-mouth disease may not be sufficiently prevented by such legal measures alone. In fact, in the foot-and-mouth disease problem that occurred in Miyazaki Prefecture in 2010, veterinary vaccination and many antiseptic measures such as installing disinfection points in the field were taken, but only 270,000 in just two months after the first occurrence confirmation. Over head of livestock was killed.

このように、法令等が定めるまん延防止策を講じても、***の感染拡大を十分にコントロールできないときがある要因として、野生動物や昆虫によるウイルス伝搬への対策不足が指摘されている。すなわち、上述の宮崎県の***問題では、埋却地を確保できない等の理由で殺処分が直ちに行われなかったことが感染拡大のきっかけとされており、この殺処分待ちの間に、ウイルスの増殖が著しい豚に感染が及んだことで急激に多量の***ウイルスが排出され、その結果、畜舎に比較的自由に侵入する昆虫や野生動物が容易にウイルスを媒介できる状況にあったとする専門家の見解がある。   As described above, it has been pointed out that there is a lack of measures against virus transmission by wild animals and insects as a factor that sometimes prevents the spread of foot-and-mouth disease infection from being adequately controlled even if measures are taken to prevent spread. In other words, in the above-mentioned foot-and-mouth disease problem in Miyazaki Prefecture, it was said that the slaughter was not immediately performed due to reasons such as inability to secure a landfill. Specialization that a large amount of foot-and-mouth disease virus was suddenly discharged due to infection in pigs with remarkable growth, and as a result, it was in a situation where insects and wild animals that entered the barns relatively easily could carry the virus. There is a house view.

そもそも、アブやハエ、蚊などが、吸血以外に、寄生虫や伝染病ウイルスの媒体となって家畜に感染被害をもたらすことは知られており、従来、これら家畜病害虫対策としては、速効性のある殺虫剤を虫体に直接噴霧したり(空中噴霧法)、あるいは残効性のある殺虫剤を畜舎の壁や柵等に散布したり(残留散布法)、毒餌(ベイド剤)に病害虫が好んで摂取する蜂蜜等を混ぜたものを設置する方法(誘引毒餌法)が代表的である。   In the first place, it is known that abs, flies, mosquitoes, etc., as a medium of parasites and infectious disease viruses, cause damage to livestock in addition to blood sucking. A certain insecticide is sprayed directly on the insect body (aerial spraying method), or an insecticide with residual effect is sprayed on the walls or fences of livestock houses (residual spraying method), or pests are applied to the bait (baid agent) A typical method is to install a mixture of honey or the like that is ingested (attractive bait method).

他方、防虫ネットにより病虫害を防除する技術として、繊維に殺虫剤を含浸させたハエ飛来防止用ネット(特許文献1)や、素材樹脂に殺虫剤を練り込んだネット状の害虫防除材(特許文献2)なども提案されている。   On the other hand, as a technique for controlling pest damage with an insect net, a net for preventing fly flying (Patent Document 1) in which fibers are impregnated with an insecticide, or a net-like insect control material in which an insecticide is kneaded into a material resin (Patent Document) 2) etc. are also proposed.

特開平6−248574号公報JP-A-6-248574 特開2008−13508号公報JP 2008-13508 A

畜舎の暑さ対策として、扇風機やミスト機を用いる従来の冷却方法は、機器の導入コストやランニングコストが嵩み、畜産農家への経済的負担が大きいという問題がある。なお、密閉型の畜舎であれば、エアコンを用いることで温度管理を容易に行え、また、病害虫の侵入も同時に遮断することができるが、本発明は外気開放型の畜舎を対象としているため、密閉型の畜舎には本発明が解決しようとする課題は存在しない。   As a countermeasure against the heat of a barn, the conventional cooling method using a fan or a mist machine has a problem that the introduction cost and running cost of equipment increase and the economic burden on livestock farmers is large. In addition, if it is a hermetically sealed barn, temperature control can be easily performed by using an air conditioner, and the invasion of pests can be blocked at the same time, but the present invention is intended for an open air type barn, There is no problem to be solved by the present invention in an enclosed barn.

他方、家畜伝染病の対策として、その最も効果的な防除方法は、病害虫の発生そのものを抑制することであり、畜舎にあっては糞尿や床材等を早期に廃棄または交換して清潔に保つことが重要である。これ以外にも、産卵場所や幼虫の生息場所にIGR剤(昆虫成長抑制剤)を散布して、羽化前に病虫害を死滅させることも有効である。しかし、畜舎清掃やIGR剤散布は、その畜舎に限り有効な防除方法であり、時間と共に効果も薄れていく。そもそも病虫害を撲滅すること自体が不可能に等しいため、どの畜舎であっても病虫害が飛来してくることを前提に防除策をたてる必要がある。   On the other hand, the most effective control method for livestock infectious diseases is to control the occurrence of pests themselves, and in barns, manure and flooring are discarded or replaced at an early stage to keep them clean. This is very important. In addition to this, it is also effective to spray IGR agent (insect growth inhibitor) on the spawning place and the larvae's habitat to kill the pest damage before emergence. However, barn cleaning and IGR agent spraying are effective control methods only for the barn, and the effect decreases with time. In the first place, it is impossible to eradicate diseases and pests, so it is necessary to take control measures based on the assumption that disease and pests will come in any barn.

そして、病害虫のいわゆる成虫対策として、上述の空中噴霧法では、その場しのぎに過ぎ、残留散布法や毒餌法では、仮に家畜がこれを誤って摂取した場合、畜体の健康被害や肉質低下が懸念される。それ以前に、何れの方法も、病虫害が畜舎に侵入または畜舎周辺で飛来することを前提としていることから、病害虫と家畜の接触を完全に排除することを保証するものではなく、病害虫によるウイルス媒介を防止する抜本的な手段になり得ない。   As a countermeasure against so-called adult insects, the above-mentioned aerial spraying method is just over-the-counter, and the residual spraying method and poison bait method may cause damage to the health of the animal body and deterioration of the meat quality if the livestock accidentally ingests it. Concerned. Prior to that, none of the methods presupposes that pest damage has entered or flew around the barn, so it is not guaranteed that contact between the pest and livestock will be completely eliminated. It can not be a drastic means to prevent.

この点、特許文献1・2によれば、当該ネットを畜舎の開放部に設置することで病害虫の侵入を阻止し、かつ、当該ネットに接触した場合には殺虫する効果も期待できる。   In this regard, according to Patent Documents 1 and 2, it is possible to expect an effect of preventing insects and insects from entering by installing the net in the open part of the barn, and killing insects when the net is contacted.

しかし、特許文献1のハエ飛来防止用ネットは、素材繊維を殺虫剤溶液に浸漬した後、これを乾燥させて繊維表面に殺虫剤を残留させるものであるため、その液浴装置や乾燥装置も大がかりとなり、また、浸漬から乾燥まで相当の時間を要するという課題があった。   However, the fly flying prevention net of Patent Document 1 is such that the material fiber is immersed in an insecticide solution and then dried to leave the insecticide on the fiber surface. There has been a problem that a large scale is required and a considerable time is required from immersion to drying.

一方、特許文献2のネット状害虫防除材は、素材繊維に練り込んだ殺虫剤(ペルメトリン製剤)が自然放出され、長期に高い忌避・殺虫効果を示すが、この殺虫剤は、人体への刺激性や水生生物への強毒性を示すと共に、飼料から離して保存することが国際的な指針で定められていることから、畜舎に使用した場合は飼料や畜体への悪影響が懸念されるものである。   On the other hand, the net-like pest control material of Patent Document 2 is a natural release of an insecticide (permethrin preparation) kneaded into the material fiber, and shows a high repellent and insecticidal effect for a long time, but this insecticide is an irritation to the human body. It is highly toxic to humans and aquatic organisms, and since it is stipulated by international guidelines that it should be stored away from feed, there are concerns about adverse effects on feed and livestock when used in barns It is.

本発明は上述した課題に鑑みなされたもので、その目的とするところは、より簡単に、また低コストで畜舎の防暑と防除を同時に図ることができる技術を提供することである。   This invention is made | formed in view of the subject mentioned above, The place made into the objective is providing the technique which can aim at the heat insulation and prevention | control of a barn simultaneously more simply and at low cost.

上述した目的を達成するために本発明では、畜舎の外気開放部に、水膜が形成可能な網目からなるネットを設置すると共に、固形または粉末の不揮発性殺虫剤を水で溶解した殺虫液により前記水膜を形成するという手段を用いる。ネットは、畜舎の外気開放部に日陰を作り、また、水膜の気化熱によって、畜舎に冷却作用をもたらす。また、ネットは、家畜病害虫が畜舎に侵入することを物理的に防止する。つまり、あまり大きな網目であると水膜を形成できないうえ、病虫害が通過することができるが、水膜形成可能な程度の網目であればアブやハエはもちろん、蚊の通過も不可能となる。そして、本発明では、ネットに噴霧等した殺虫液または乾燥後の不揮発性殺虫剤を舐食することによって、当該家畜病害虫を化学的に忌避または殺虫する。当然、ネットの設置時に既に畜舎内にいる病害虫の逃亡も防止できる。この点、本発明と特許文献1・2の技術は、同様の殺虫効果を示すものの、畜舎の冷却効果が得られないという決定的な違いがある。   In order to achieve the above-described object, in the present invention, a net made of a mesh capable of forming a water film is installed in an open-air portion of a barn, and a solid or powder nonvolatile insecticide is dissolved in water. Means for forming the water film is used. The net creates a shade in the open air outside of the barn, and also provides cooling to the barn due to the heat of vaporization of the water film. The net also physically prevents livestock pests from entering the barn. In other words, if the mesh is too large, a water film cannot be formed, and pests can pass through. However, if the mesh is such that a water film can be formed, it is impossible to pass mosquitoes as well as flies and flies. In the present invention, the livestock pest is chemically repelled or killed by licking the insecticide sprayed on the net or the nonvolatile insecticide after drying. Naturally, the escape of pests already in the barn when the net is installed can be prevented. Although this invention and the technique of patent document 1 and 2 show the same insecticidal effect, there exists a decisive difference that the cooling effect of a barn is not acquired.

そして、本発明の場合、ネットは畜舎の全ての外気開放部に設置するが、そのネットの全部に水膜を形成(殺虫液の噴霧または塗布)する必要はなく、一部のネットは水膜を形成せずに、通気性を確保してもよい。また、水膜の形成場所は、工場で行ってもよいし、現場(畜舎がある飼養施設)で行うこともでき、その形成時期もネットの設置前、設置後の何れでもよい。ただし、まずネットを畜舎に設置し、その後に殺虫液を噴霧等するほうが、網目に水膜を形成しやすい。さらに、畜舎の南面など、日光が当たる面に設置したネットに水膜を形成することが好ましい。なお、ネットの形状や大きさにもよるが、通常、全ての網目に水膜を形成することは困難であり、その必要もない。また、水膜が蒸発した場合は、水または殺虫液を噴霧または塗布すれば、再度、水膜を形成することができる。   In the case of the present invention, the nets are installed in all open air openings of the barn, but it is not necessary to form a water film (spraying or applying an insecticide) on all of the nets. The air permeability may be ensured without forming. Further, the water film may be formed at a factory or at the site (a breeding facility with a barn), and the formation time may be either before or after the net is installed. However, it is easier to form a water film on the mesh if the net is first installed in a barn and then sprayed with an insecticide. Furthermore, it is preferable to form a water film on a net installed on a surface exposed to sunlight, such as the southern surface of a barn. Although depending on the shape and size of the net, it is usually difficult and unnecessary to form a water film on all nets. When the water film evaporates, the water film can be formed again by spraying or applying water or an insecticide.

ここで、本発明の用語について説明すると、まず「畜舎」は豚や牛などの家畜を飼養・治療・管理する建物の他、堆肥舎や搾乳施設等も含み、さらに鶏舎も含む。次に「家畜病害虫」は、家畜に病害を及ぼす生物を意味し、代表的なものとしてアブ、ハエ、蚊などの飛翔害虫が該当する。鳥やイタチ、ネズミ等の野生動物は家畜病害虫に該当しないが、ネットの網目の大きさから、これらのウイルス媒体動物についても当然に侵入を防止することができる。さらに、「殺虫剤」は、本発明の場合、不揮発性であり、且つ、水で希釈等可能な水溶性の固形物または粉末物であるが、このほか、定められた用法・用量に従う限り、ヒトや家畜に影響がないものに限定されることはもちろんである。これら条件を満たす限り、従来公知のピレスロイド系や有機リン系の殺虫剤の水溶液を本発明において使用することができる。   Here, the terminology of the present invention will be described. First, the “livestock house” includes a compost house, a milking facility, etc., as well as a poultry house, in addition to a building for raising, treating and managing livestock such as pigs and cows. Next, “livestock pests” mean organisms that cause diseases on livestock, and representative examples include flying pests such as ab, flies and mosquitoes. Wild animals such as birds, weasels, and mice are not pests of livestock pests, but due to the size of the nets, these viral media animals can naturally be prevented from entering. Furthermore, in the case of the present invention, the “insecticide” is a water-soluble solid or powder that is non-volatile and can be diluted with water, but in addition to this, as long as the prescribed usage and dosage are followed, Of course, it is limited to those that do not affect humans and livestock. As long as these conditions are satisfied, a conventionally known aqueous solution of pyrethroid or organophosphorus insecticide can be used in the present invention.

本発明によれば、ネットそのものが日光をさえぎることで、畜舎の温度上昇を防止すると共に、網目に形成した水膜が蒸発することで畜舎を冷却させることができる。このように、畜舎の外気開放部にネットを設置し、このネットに水膜を形成するという極めて簡単な方法によって、家畜を暑さから守り、その健康と生産性を維持することができる。   According to the present invention, the net itself blocks out sunlight, so that the temperature of the barn can be prevented from rising, and the barn can be cooled by evaporation of the water film formed on the mesh. In this way, a very simple method of installing a net in the open air open part of the barn and forming a water film on the net can protect the livestock from heat and maintain its health and productivity.

また、ネットは水膜が形成可能な大きさの網目を有することから、上述した防暑効果と同時に、家畜病害虫の畜舎への侵入を阻止し、また、ネットに噴霧等した殺虫液の有効成分により家畜病害虫を忌避・弱体化または殺虫して、家畜病害虫が家畜に接触することを防止する防除効果も得られる。また、仮に畜舎内に家畜病害虫がいたとしても、これを他所に逃亡することを防止するため、家畜病害虫による家畜伝染病などの感染拡大を効果的に抑制することができる。さらに、殺虫液のネットへの付着は、噴霧または塗布で行うから、素材繊維に殺虫剤を練り込んだり、ネットを溶液槽に浸漬するよりも、簡単に殺虫効果を有するネットを得ることができる。また、用いる殺虫剤は不揮発性且つ水溶性であるから、殺虫剤や溶液の揮発による人体や家畜への悪影響がなく、しかも、乾燥すれば水を再噴霧等することで、容易に水膜を再形成することができる。特に、畜舎の南面等に設置されるネットに当該水膜を形成した場合は、より顕著な冷却効果が得られる。   In addition, since the net has a mesh of a size that can form a water film, it prevents the intrusion of livestock pests into the barn at the same time as the above-mentioned heat protection effect, and by the active ingredient of the insecticide sprayed on the net, etc. The control effect which prevents livestock pests from contacting livestock by repelling, weakening or killing livestock pests is also obtained. Moreover, even if there is a livestock pest in the barn, in order to prevent it from escaping to other places, it is possible to effectively suppress the spread of infection such as livestock infectious disease caused by livestock pest. Further, since the insecticidal liquid is attached to the net by spraying or coating, a net having an insecticidal effect can be obtained more easily than kneading an insecticide into the material fiber or immersing the net in a solution tank. . In addition, since the insecticide used is non-volatile and water-soluble, there is no adverse effect on the human body and livestock due to volatilization of the insecticide and the solution. Can be reformed. In particular, when the water film is formed on a net installed on the southern surface of a barn, a more remarkable cooling effect can be obtained.

本発明の一実施形態を示す畜舎の外観図External view of a barn showing an embodiment of the present invention

以下、本発明の好ましい実施の形態を添付した図面に従って説明する。図1は、本発明方法の一実施形態を示したものであり、図中、1は豚舎等の畜舎、2は畜舎の外気開放部、3は外気開放部2を遮蔽するように畜舎1に設置したネットである。   Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 1 shows an embodiment of the method of the present invention. In the figure, 1 is a barn such as a pig barn, 2 is an open air release part of the barn, and 3 is a barn 1 so as to shield the open air part 2. It is an installed net.

ネット3は、殺虫液を噴霧または塗布により付着させるが、その際、水膜が形成可能な網目を有する。この網目は、家畜病害虫が通り抜けることができない大きさである。具体的には、2mm角の網目とすることで、水膜が形成可能であり、かつ、蚊の通り抜けも阻止されるが、これは通気性をも考慮した最も小さな値であり、2mm角超の網目とすることもできる。ただし、殺虫液の粘性等にもよるが、10mm角以上になると水膜を形成することが困難または不可能となり、また、蚊や小さなハエであれば網目を通過できるようになるため、網目の大きさは2〜5mm角であることが好ましい。   The net 3 is attached with an insecticidal solution by spraying or coating, and has a mesh that can form a water film. This mesh size is such that livestock pests cannot pass through. Specifically, by forming a 2 mm square mesh, a water film can be formed and mosquitoes are prevented from passing through, but this is the smallest value in consideration of air permeability and exceeds 2 mm square. It can also be a mesh. However, although it depends on the viscosity of the insecticidal solution, it becomes difficult or impossible to form a water film when it is 10 mm square or more, and mosquitoes and small flies can pass through the mesh. The size is preferably 2 to 5 mm square.

また、このネット3に対する殺虫液の付着は、工場で行うことも現場で行うことも可能で、また、畜舎への設置前後を問わず、殺虫液を噴霧等することができる。   In addition, the insecticide can be attached to the net 3 in a factory or on site, and the insecticide can be sprayed before or after installation in a barn.

ただし、畜舎にネットを設置した後に殺虫液を噴霧等するほうが、確実に水膜を形成することができる。この水膜は、当然、殺虫効果の向上という側面もあるが、いずれ乾燥するため、当該気化熱によって畜舎を冷却するという主たる効果を奏する。したがって、畜舎の南面など、日光が当たる面に属する外気開放部に設置したネットに対して、この水膜を形成することが好ましい。その反面、水膜はネットの通気性を低下させるため、畜舎の構造や、日当たり、風向きなどを考慮して水膜を形成することが、より好ましいものである。   However, a water film can be reliably formed by spraying the insecticide after installing the net in the barn. Naturally, this water film also has an aspect of improving the insecticidal effect, but since it dries eventually, it has the main effect of cooling the barn with the heat of vaporization. Therefore, it is preferable to form this water film on a net installed in an open-air part belonging to a surface exposed to sunlight, such as the southern surface of a barn. On the other hand, since the water film lowers the air permeability of the net, it is more preferable to form the water film in consideration of the structure of the barn, the sunlight, the wind direction, and the like.

なお、ネット3は、その素材や編成方法が限定されず、従来公知のネットを使用することができるが、殺虫液を噴霧または塗布したとき、液がすぐに流れ落ちない繊維構造または紡糸構造を有することが好ましい。また、上述のように水膜を形成する場合は、それに適する網目の大きさとフィラメント径を有したネットを使用する必要がある。さらに、水膜は表面張力によって形成されるものであるため、吸水性や親水性を有するフィラメントでは水膜が形成されにくく、撥水性を有するフィラメントを使用したネットを用意する必要がある。   The net 3 is not limited in its material and knitting method, and a conventionally known net can be used. However, when spraying or applying an insecticidal solution, the net 3 has a fiber structure or a spinning structure in which the liquid does not flow down immediately. It is preferable. Further, when forming a water film as described above, it is necessary to use a net having a mesh size and a filament diameter suitable for it. Furthermore, since the water film is formed by surface tension, it is difficult to form a water film with a filament having water absorption or hydrophilicity, and it is necessary to prepare a net using a filament having water repellency.

一方、殺虫液は、不揮発性であり、且つ、水溶性の粉状・顆粒状・固形状の殺虫剤を水で溶解したもので、そのまま(液状のまま)で病害虫の忌避・弱体化・殺虫の薬効が得られるが、乾燥して殺虫剤がネットに残留した場合でも、この残留物を家畜病害虫が舐食することで同様の効果が得られる。   On the other hand, the insecticide is a non-volatile, water-soluble powder, granule, or solid insecticide dissolved in water. Even if the insecticide remains on the net after drying, the same effect can be obtained by licking the residue by the livestock pest.

また、殺虫液が乾燥した場合は、水または殺虫液を噴霧等することで、再度、水膜の形成も可能となる。さらに、雨等によって薬効が低下したときは、再度、殺虫液を噴霧等すれば、当該効果を復元することも可能である。   In addition, when the insecticide is dried, a water film can be formed again by spraying water or the insecticide. Furthermore, when the medicinal effect is lowered due to rain or the like, the effect can be restored by spraying the insecticide again.

本発明のネットは、家畜病害虫よりも大きいイタチやネズミ、鳥など、伝染病ウイルスを媒介する野生動物の侵入・伝播も防止することができるため、***や鳥インフルエンザの防疫対策として極めて有効である。   Since the net of the present invention can also prevent the invasion and transmission of wild animals that carry infectious disease viruses such as weasels, rats, and birds, which are larger than livestock pests, it is extremely effective as a preventive measure against foot-and-mouth disease and avian influenza. .

1 畜舎
2 外気開放部
3 ネット
1 barn 2 open air 3 net

Claims (4)

畜舎の外気開放部に、水膜が形成可能な網目からなるネットを設置すると共に、固形または粉末の不揮発性殺虫剤を水で溶解した殺虫液により前記水膜を形成することを特徴とした畜舎の防暑・防除方法。 A livestock house characterized in that a net comprising a mesh capable of forming a water film is installed in an open air open part of the livestock house, and the water film is formed by an insecticide obtained by dissolving a solid or powdered non-volatile insecticide in water. How to prevent and control heat. ネットを外気開放部に設置した後、その網目に水膜を形成するように殺虫液または水を噴霧または塗布する請求項1記載の畜舎の防暑・防除方法。 The method for heat-control / control of a barn according to claim 1, wherein after the net is installed in the open air part, the insecticide or water is sprayed or applied so as to form a water film on the net. 畜舎の日光が当たる面に設置したネットに水膜を形成する請求項2記載の畜舎の防暑・防除方法。 The method for preventing and controlling heat of a barn according to claim 2, wherein a water film is formed on a net installed on a surface of the barn where the sun is exposed. 固形または粉末の不揮発性殺虫剤を水で溶解した殺虫液により水膜が形成可能な網目を有し、かつ、予め前記殺虫液を噴霧または塗布してなることを特徴とした畜舎の防暑・防除用ネット。 Heat protection / control of livestock barns, which has a mesh that can form a water film with an insecticide obtained by dissolving a solid or powder nonvolatile insecticide in water and sprayed or coated with the insecticide in advance. For net.
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CN107173357A (en) * 2016-03-11 2017-09-19 海南大学 One breeding stock deinsectization device
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KR102433602B1 (en) * 2022-02-25 2022-08-18 주식회사 신흥종합건설 Pigpen Having Function of Reducing Odor

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