PREVENTION OF ATTACHMENT OF FUNGUS OF BACTERIUM OR MICROORGANISMS, BARNACLE, PEARL SHELL, SEAWEED AND THE LIKE IN FISHING NET, FISHING GEAR, SHIP'S BOTTOM, FLOATING MARK, BATHROOM OR BATH, AND PREVENTION METHOD OF ATTACHMENT THEREOF
PROBLEM TO BE SOLVED: To provide a method of preventing microorganisms, barnacle, pearl shell, seaweed and the like from attaching to a crawl net a fishing net, a fishing gear, a ship's bottom or a floating mark and growing, and to provide an insect screen containing agricultural chemicals and its manufacturing method.SOLUTION: There are provided a crawl net manufactured for example by kneading titanium oxide, chlorine, hypochlorous acid, calcium hypochlorite or sodium hypochlorite, sodium dichloroisocyanurate dihydrate, sodium dichloroisocyanurate, trichloro isosialic acid, or other chlorine compounds or materials generating chlorine compounds, synthetic pyrethroid, organophosphorus insecticides, carbamate agents, or nitroguanidine type belonging to neonicotinoid and the like to inside of a polyethylene resin, a polyester resin, a nylon resin, a vinyl chloride resin and the like, and a cultivation device of tuna using the same.【課題】微生物、フジツボ、パール貝、及びワカメなどが生け簀網、漁網、漁具、船底、又は浮標に付着をして生長をするのを防止する方法および農薬を含有している防虫網、その加工方法を提供する。【解決手段】例えばポリエチレン樹脂、ポリエステル樹脂、ナイロン樹脂、塩化ビニール樹脂などの内部に、酸化チタン、塩素、次亜塩素酸、次亜塩素酸カルシウム、又は次亜塩素酸ナトリウム、ジクロロイソシアヌル酸ナトリウム２水塩、ジクロロイソシアヌル酸ナトリウム、トリクロロイソシアル酸、もしくはその他の塩素化合物、又は塩素化合物が発生する物質、合成ピレスロイド、有機リン系殺虫剤、カーバメイト剤、又はネオニコチノイドに属するニトログアニジン系、などを練り込んだ生け簀網、それを利用したマグロの養殖装置。【選択図】なし
