Ng\u1ecdc trai \u0111\u00e3 quy\u1ebfn r\u0169 con ng\u01b0\u1eddi qua nhi\u1ec1u thi\u00ean ni\u00ean k\u1ef7, t\u01b0\u1ee3ng tr\u01b0ng cho s\u1ef1 gi\u00e0u c\u00f3 v\u00e0 thanh l\u1ecbch. Tuy nhi\u00ean, s\u1ef1 khan hi\u1ebfm t\u1ef1 nhi\u00ean v\u00e0 kh\u00f3 kh\u0103n trong vi\u1ec7c khai th\u00e1c \u0111\u00e3 d\u1eabn \u0111\u1ebfn nhi\u1ec1u th\u1ebf k\u1ef7 \u0111\u1ed5i m\u1edbi trong s\u1ea3n xu\u1ea5t ng\u1ecdc trai.<\/p>\n\n
Th\u1eddi x\u01b0a, ng\u1ecdc trai r\u1ea5t \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng \u1edf c\u00e1c n\u1ec1n v\u0103n minh nh\u01b0 \u1ea4n \u0110\u1ed9, \u0110\u1ebf ch\u1ebf La M\u00e3 v\u00e0 Ai C\u1eadp. S\u1ef1 qu\u00fd hi\u1ebfm v\u00e0 v\u1ebb \u0111\u1eb9p c\u1ee7a ch\u00fang \u0111\u00e3 bi\u1ebfn ng\u1ecdc trai tr\u1edf th\u00e0nh bi\u1ec3u t\u01b0\u1ee3ng c\u1ee7a s\u1ef1 gi\u00e0u c\u00f3 v\u00e0 \u0111\u1ecba v\u1ecb t\u1ed9t b\u1eadc.<\/p>\n\n
Do nhu c\u1ea7u v\u1ec1 ng\u1ecdc trai r\u1ea5t cao n\u00ean con ng\u01b0\u1eddi t\u1eeb l\u00e2u \u0111\u00e3 t\u00ecm c\u00e1ch l\u00e0m cho ch\u00fang tr\u1edf n\u00ean d\u1ec5 ti\u1ebfp c\u1eadn h\u01a1n. Cu\u1ed9c t\u00ecm ki\u1ebfm n\u00e0y \u0111\u00e3 d\u1eabn \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a nhi\u1ec1u k\u1ef9 thu\u1eadt nu\u00f4i c\u1ea5y v\u00e0 b\u1eaft ch\u01b0\u1edbc ng\u1ecdc trai.<\/p>\n\n
Nh\u1eefng n\u1ed7 l\u1ef1c nu\u00f4i c\u1ea5y ng\u1ecdc trai s\u1edbm nh\u1ea5t \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn di\u1ec5n ra \u1edf Trung Qu\u1ed1c v\u00e0o kho\u1ea3ng n\u0103m 500 sau C\u00f4ng nguy\u00ean. Nh\u1eefng ng\u01b0\u1eddi n\u00f4ng d\u00e2n b\u1eaft \u0111\u1ea7u nu\u00f4i c\u1ea5y ng\u1ecdc trai ph\u1ed3ng trong c\u00e1c lo\u00e0i trai n\u01b0\u1edbc ng\u1ecdt. Nh\u1eefng vi\u00ean ng\u1ecdc trai n\u00e0y nh\u1ecf v\u00e0 d\u1eb9t, nh\u01b0ng ch\u00fang \u0111\u00e1nh d\u1ea5u m\u1ed9t b\u01b0\u1edbc ti\u1ebfn \u0111\u00e1ng k\u1ec3 trong s\u1ea3n xu\u1ea5t ng\u1ecdc trai nu\u00f4i c\u1ea5y.<\/p>\n\n
Ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7n \u0111\u1ea1i \u0111\u1ea7u ti\u00ean \u0111\u1ec3 ch\u1ebf t\u1ea1o ng\u1ecdc trai nh\u00e2n t\u1ea1o \u0111\u01b0\u1ee3c Jacquin c\u1ee7a Ph\u00e1p c\u1ea5p b\u1eb1ng s\u00e1ng ch\u1ebf v\u00e0o n\u0103m 1686. \u00d4ng ph\u00e1t hi\u1ec7n ra r\u1eb1ng vi\u1ec7c tr\u1ed9n amoniac v\u1edbi v\u1ea3y c\u1ee7a c\u00e1 tr\u00edch s\u1ebd t\u1ea1o ra m\u1ed9t h\u1ed7n h\u1ee3p gi\u1ed1ng nh\u01b0 \u00e1nh ng\u1ecdc trai. H\u1ed7n h\u1ee3p n\u00e0y, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 tinh ch\u1ea5t ph\u01b0\u01a1ng \u0110\u00f4ng, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u1ee7 b\u00ean trong c\u00e1c h\u1ea1t th\u1ee7y tinh, t\u1ea1o ra nh\u1eefng vi\u00ean ng\u1ecdc trai nh\u00e2n t\u1ea1o tr\u00f4ng nh\u01b0 th\u1eadt.<\/p>\n\n
B\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 trong nu\u00f4i c\u1ea5y ng\u1ecdc trai \u0111\u1ebfn v\u00e0o cu\u1ed1i th\u1ebf k\u1ef7 19 khi c\u00e1c nh\u00e0 khoa h\u1ecdc Nh\u1eadt B\u1ea3n ph\u00e1t tri\u1ec3n c\u00e1c k\u1ef9 thu\u1eadt nu\u00f4i c\u1ea5y hi\u1ec7n \u0111\u1ea1i. Nh\u00e0 sinh v\u1eadt h\u1ecdc Nishikawa Tokichi v\u00e0 th\u1ee3 m\u1ed9c Mise Tatsuhei \u0111\u00e3 \u0111\u1ed9c l\u1eadp ph\u00e1t hi\u1ec7n ra b\u00ed quy\u1ebft khi\u1ebfn trai t\u1ea1o ra ng\u1ecdc trai b\u1eb1ng c\u00e1ch \u0111\u01b0a m\u1ed9t h\u1ea1t nh\u00e2n v\u00e0o m\u00f4 c\u1ee7a ch\u00fang.<\/p>\n\n
Kh\u00e1m ph\u00e1 n\u00e0y, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ph\u01b0\u01a1ng ph\u00e1p Mise-Nishikawa, \u0111\u00e3 c\u00e1ch m\u1ea1ng h\u00f3a ng\u00e0nh c\u00f4ng nghi\u1ec7p ng\u1ecdc trai. N\u00f3 cho ph\u00e9p s\u1ea3n xu\u1ea5t ng\u1ecdc trai nu\u00f4i c\u1ea5y h\u00ecnh c\u1ea7u ho\u00e0n h\u1ea3o, ch\u1ea5t l\u01b0\u1ee3ng cao v\u1edbi chi ph\u00ed th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi ng\u1ecdc trai t\u1ef1 nhi\u00ean.<\/p>\n\n
Kokichi Mikimoto, m\u1ed9t nh\u00e0 th\u00ed nghi\u1ec7m ng\u1ecdc trai ng\u01b0\u1eddi Nh\u1eadt B\u1ea3n kh\u00e1c, \u0111\u00e3 \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c tinh ch\u1ec9nh v\u00e0 qu\u1ea3ng b\u00e1 quy tr\u00ecnh nu\u00f4i c\u1ea5y. \u00d4ng \u0111\u00e3 mua ph\u01b0\u01a1ng ph\u00e1p Mise-Nishikawa v\u00e0 th\u1ef1c hi\u1ec7n th\u00eam nhi\u1ec1u kh\u00e1m ph\u00e1 kh\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c m\u1ea3nh tr\u00f2n t\u1eeb v\u1ecf trai c\u1ee7a Hoa K\u1ef3 l\u00e0m h\u1ea1t nh\u00e2n t\u1ed1t nh\u1ea5t cho ng\u1ecdc trai nu\u00f4i c\u1ea5y n\u01b0\u1edbc m\u1eb7n.<\/p>\n\n
T\u00ednh c\u00e1ch h\u00e0o hoa v\u00e0 s\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 ti\u1ebfp th\u1ecb c\u1ee7a Mikimoto \u0111\u00e3 gi\u00fap ph\u1ed5 bi\u1ebfn ng\u1ecdc trai nu\u00f4i c\u1ea5y, gi\u00fap ch\u00fang l\u1ea7n \u0111\u1ea7u ti\u00ean tr\u1edf n\u00ean d\u1ec5 ti\u1ebfp c\u1eadn v\u1edbi nhi\u1ec1u \u0111\u1ed1i t\u01b0\u1ee3ng h\u01a1n. Ng\u00e0y nay, c\u00f4ng ty mang t\u00ean \u00f4ng v\u1eabn l\u00e0 m\u1ed9t c\u00f4ng ty h\u00e0ng \u0111\u1ea7u trong ng\u00e0nh c\u00f4ng nghi\u1ec7p ng\u1ecdc trai.<\/p>\n\n
S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a nu\u00f4i c\u1ea5y ng\u1ecdc trai \u0111\u00e3 t\u00e1c \u0111\u1ed9ng s\u00e2u s\u1eafc \u0111\u1ebfn gi\u00e1 ng\u1ecdc trai. T\u1eeb m\u1ed9t m\u1eb7t h\u00e0ng xa x\u1ec9 d\u00e0nh ri\u00eang cho gi\u1edbi th\u01b0\u1ee3ng l\u01b0u, ng\u1ecdc trai \u0111\u00e3 tr\u1edf n\u00ean d\u1ec5 mua h\u01a1n, cho ph\u00e9p m\u1ecdi ng\u01b0\u1eddi t\u1eeb m\u1ecdi t\u1ea7ng l\u1edbp x\u00e3 h\u1ed9i \u0111\u1ec1u c\u00f3 th\u1ec3 t\u1eadn h\u01b0\u1edfng v\u1ebb \u0111\u1eb9p c\u1ee7a ch\u00fang.<\/p>\n\n
Ng\u1ecdc trai nu\u00f4i c\u1ea5y c\u0169ng \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong ng\u00e0nh trang s\u1ee9c, cung c\u1ea5p m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf b\u1ec1n v\u1eefng v\u00e0 c\u00f3 \u0111\u1ea1o \u0111\u1ee9c cho ng\u1ecdc trai t\u1ef1 nhi\u00ean. Vi\u1ec7c c\u00f3 s\u1eb5n ng\u1ecdc trai nu\u00f4i c\u1ea5y \u0111\u00e3 gi\u00fap gi\u1ea3m \u00e1p l\u1ef1c l\u00ean qu\u1ea7n th\u1ec3 ng\u1ecdc trai hoang d\u00e3 v\u00e0 th\u00fac \u0111\u1ea9y c\u00e1c n\u1ed7 l\u1ef1c b\u1ea3o t\u1ed3n.<\/p>\n\n
Ngay c\u1ea3 ng\u00e0y nay, ng\u00e0nh c\u00f4ng nghi\u1ec7p ng\u1ecdc trai v\u1eabn kh\u00f4ng ng\u1eebng \u0111\u1ed5i m\u1edbi. C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111ang ph\u00e1t tri\u1ec3n c\u00e1c k\u1ef9 thu\u1eadt m\u1edbi \u0111\u1ec3 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 t\u00ednh b\u1ec1n v\u1eefng c\u1ee7a nu\u00f4i c\u1ea5y ng\u1ecdc trai. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u0169ng \u0111ang kh\u00e1m ph\u00e1 vi\u1ec7c s\u1eed d\u1ee5ng ng\u1ecdc trai trong c\u00e1c \u1ee9ng d\u1ee5ng y t\u1ebf, ch\u1eb3ng h\u1ea1n nh\u01b0 cung c\u1ea5p thu\u1ed1c v\u00e0 k\u1ef9 thu\u1eadt m\u00f4.<\/p>\n\n
L\u1ecbch s\u1eed c\u1ee7a ng\u1ecdc trai l\u00e0 minh ch\u1ee9ng cho s\u1ef1 kh\u00e9o l\u00e9o c\u1ee7a con ng\u01b0\u1eddi v\u00e0 kh\u00e1t khao l\u00e0m \u0111\u1eb9p. Qua nhi\u1ec1u th\u1ebf k\u1ef7 th\u1eed nghi\u1ec7m v\u00e0 \u0111\u1ed5i m\u1edbi, ng\u1ecdc trai \u0111\u00e3 chuy\u1ec3n m\u00ecnh t\u1eeb bi\u1ec3u t\u01b0\u1ee3ng c\u1ee7a s\u1ef1 gi\u00e0u c\u00f3 th\u00e0nh m\u1ed9t m\u1eb7t h\u00e0ng xa x\u1ec9 d\u1ec5 ti\u1ebfp c\u1eadn m\u00e0 m\u1ecdi ng\u01b0\u1eddi tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi \u0111\u1ec1u y\u00eau th\u00edch.<\/p>","protected":false},"excerpt":{"rendered":"
Ng\u1ecdc trai: L\u1ecbch s\u1eed xa x\u1ec9 v\u00e0 \u0111\u1ed5i m\u1edbi Ng\u1ecdc trai \u0111\u00e3 quy\u1ebfn r\u0169 con ng\u01b0\u1eddi qua nhi\u1ec1u thi\u00ean ni\u00ean k\u1ef7, t\u01b0\u1ee3ng tr\u01b0ng cho s\u1ef1 gi\u00e0u c\u00f3 v\u00e0 thanh l\u1ecbch.…<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3115],"tags":[3113,37,97,27,9,3112,3114,2696,320],"class_list":["post-1393","post","type-post","status-publish","format-standard","hentry","category-nature","tag-jewelry","tag-innovation","tag-science","tag-history","tag-art","tag-pearls","tag-luxury","tag-fashion","tag-beauty"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/1393","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=1393"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/1393\/revisions"}],"predecessor-version":[{"id":1394,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/1393\/revisions\/1394"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=1393"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=1393"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=1393"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}