{"id":3637,"date":"2015-08-21T20:38:59","date_gmt":"2015-08-21T13:38:59","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=3637"},"modified":"2017-09-27T20:41:06","modified_gmt":"2017-09-27T13:41:06","slug":"vi-cam-bien-gan-vao-ong-mat-nham-giai-quyet-van-de-chet-hang-loat-trong-cac-to-ong","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/vi-cam-bien-gan-vao-ong-mat-nham-giai-quyet-van-de-chet-hang-loat-trong-cac-to-ong\/","title":{"rendered":"Vi c\u1ea3m bi\u1ebfn g\u1eafn v\u00e0o ong m\u1eadt nh\u1eb1m gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 ch\u1ebft h\u00e0ng lo\u1ea1t trong c\u00e1c t\u1ed5 ong"},"content":{"rendered":"

C\u00e1c nh\u00e0 khoa h\u1ecdc ng\u01b0\u1eddi \u00dac \u0111\u00e3 g\u1eafn c\u00e1c vi c\u1ea3m bi\u1ebfn v\u00e0o nh\u1eefng con ong m\u1eadt. \u0110\u00e2y l\u00e0 m\u1ed9t ph\u1ea7n trong nh\u1eefng n\u1ed5 l\u1ef1c t\u00ecm hi\u1ec3u nh\u1eefng nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y ra s\u1ef1 suy gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng c\u00e1c lo\u00e0i th\u1ee5 ph\u1ea5n tr\u00ean to\u00e0n th\u1ebf gi\u1edbi.<\/strong><\/p>\n

\"\"<\/p>\n

C\u00e1c nh\u00e0 khoa h\u1ecdc ng\u01b0\u1eddi \u00dac \u0111\u00e3 g\u1eafn c\u00e1c vi c\u1ea3m bi\u1ebfn v\u00e0o nh\u1eefng con ong m\u1eadt. \u0110\u00e2y l\u00e0 m\u1ed9t ph\u1ea7n trong nh\u1eefng n\u1ed5 l\u1ef1c t\u00ecm hi\u1ec3u nh\u1eefng nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y ra s\u1ef1 suy gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng c\u00e1c lo\u00e0i th\u1ee5 ph\u1ea5n tr\u00ean to\u00e0n th\u1ebf gi\u1edbi.<\/p>\n

Hi\u1ec7n nay, \u0111ang c\u00f3 s\u1ef1 suy gi\u1ea3m m\u1ea1nh v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng c\u1ee7a ong m\u1eadt. \u0110\u00e2y l\u00e0 lo\u00e0i th\u1ee5 ph\u1ea5n cho kho\u1ea3ng 70% c\u00e2y hoa m\u00e0u tr\u00ean to\u00e0n th\u1ebf gi\u1edbi, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng1\/3 l\u01b0\u01a1ng th\u1ef1c cung c\u1ea5p cho con ng\u01b0\u1eddi bao g\u1ed3m tr\u00e1i c\u00e2y v\u00e0 rau c\u1ea3i. \u0110i\u1ec1u n\u00e0y l\u00e0m n\u1ed5i l\u00ean m\u1ed1i e ng\u1ea1i v\u1ec1 v\u1ea5n \u0111\u1ec1 an ninh l\u01b0\u01a1ng th\u1ef1c.<\/p>\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u cho bi\u1ebft c\u00f3 nhi\u1ec1u t\u00e1c nh\u00e2n g\u00e2y gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng ong, ch\u1eb3ng h\u1ea1n nh\u01b0: “s\u1ef1 s\u1ee5p \u0111\u1ed5 do r\u1ed1i lo\u1ea1n” g\u00e2y ra c\u00e1i ch\u1ebft \u0111\u1ed9t ng\u1ed9t c\u1ee7a h\u00e0ng tri\u1ec7u con ong tr\u01b0\u1edfng th\u00e0nh trong t\u1ed5 ong, do ve h\u00fat m\u00e1u Varroa, do thu\u1ed1c tr\u1eeb s\u00e2u v\u00e0 do s\u1ef1 bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu.<\/p>\n

\u201cVi c\u1ea3m bi\u1ebfn \u0111ang s\u1eed d\u1ee5ng gi\u00fap ch\u00fang t\u00f4i c\u00f3 th\u1ec3 \u0111\u1eb7t ra nh\u1eefng c\u00e2u h\u1ecfi kh\u00e1c nhau, \u0111i\u1ec1u m\u00e0 tr\u01b0\u1edbc \u0111\u00e2y ch\u00fang t\u00f4i kh\u00f4ng l\u00e0m do ch\u01b0a th\u1ec3 \u0111\u1ecbnh l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c h\u00e0nh vi c\u1ee7a lo\u00e0i ong trong t\u1ef1 nhi\u00ean c\u0169ng nh\u01b0 trong t\u1ed5 c\u1ee7a ch\u00fang\u201d, theo chia s\u1ebb c\u1ee7a Gary Fitt t\u1eeb C\u01a1 quan khoa h\u1ecdc qu\u1ed1c gia c\u1ee7a Australia (CSIRO).<\/p>\n

C\u1ea3m bi\u1ebfn c\u00f3 chi\u1ec1u r\u1ed9ng v\u00e0 chi\u1ec1u d\u00e0i l\u00e0 2.5 mm (0.1 inch) v\u00e0 n\u1eb7ng 5.4 mg (0.0002 ounces) – nh\u1eb9 h\u01a1n h\u1ea1t ph\u1ea5n hoa \u2013 \u0111\u01b0\u1ee3c d\u00ednh v\u00e0o l\u01b0ng c\u1ee7a nh\u1eefng con ong m\u1eadt Ch\u00e2u \u00c2u. C\u00e1c th\u1ee5 th\u1ec3 thu nh\u1eadn d\u1eef li\u1ec7u r\u1ea5t tinh vi c\u0169ng \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o b\u00ean trong trong t\u1ed5.<\/p>\n

CSIRO – h\u1ee3p t\u00e1c v\u1edbi c\u00f4ng ty c\u00f4ng ngh\u1ec7 M\u1ef9 Intel v\u00e0 t\u1eadp \u0111o\u00e0n Nh\u1eadt B\u1ea3n Hitachi \u2013 \u0111ang cung c\u1ea5p truy c\u1eadp mi\u1ec5n ph\u00ed v\u00e0o c\u00f4ng ngh\u1ec7 c\u1ea3m bi\u1ebfn v\u00e0 c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch d\u1eef li\u1ec7u \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh m\u00f4 h\u00ecnh tr\u00ean to\u00e0n c\u1ea7u.<\/p>\n

\u201cNh\u1eefng g\u00ec ch\u00fang t\u00f4i thu th\u1eadp t\u1eeb c\u1ea3m bi\u1ebfn l\u00e0 nh\u1eefng th\u00f4ng tin v\u1ec1 m\u00f4i tr\u01b0\u1eddng n\u01a1i m\u00e0 nh\u1eefng con ong \u0111\u1ebfn\u201d, Fitt, Gi\u00e1m \u0111\u1ed1c khoa h\u1ecdc \u0111\u01a1n v\u1ecb s\u1ee9c kh\u1ecfe v\u00e0 an to\u00e0n sinh h\u1ecdc c\u1ee7a CSIRO cho bi\u1ebft.<\/p>\n

\u201cN\u00f3 cho ch\u00fang ta bi\u1ebft nh\u1eefng thay \u0111\u1ed5i trong h\u00e0nh vi c\u1ee7a ch\u00fang \u2013 vi\u1ec7c t\u00ecm ki\u1ebfm th\u1ee9c \u0103n di\u1ec5n ra trong bao l\u00e2u v\u00e0 m\u1ee9c \u0111\u1ed9 th\u01b0\u1eddng xuy\u00ean nh\u01b0 th\u1ebf n\u00e0o, ch\u00fang c\u00f3 cho \u1ea5u tr\u00f9ng \u0103n hay kh\u00f4ng, ch\u00fang c\u00f3 thu th\u1eadp ph\u1ea5n hoa hay kh\u00f4ng, nh\u1eefng \u0111i\u1ec1u m\u00e0 ong l\u00e0m \u1edf trong t\u1ed5 c\u1ee7a ch\u00fang. T\u1ed5ng h\u1ee3p nh\u1eefng th\u00f4ng tin tr\u00ean s\u1ebd cho ch\u00fang ta bi\u1ebft c\u00e1ch m\u00e0 nh\u1eefng con ong \u0111\u1ed1i ph\u00f3 v\u1edbi nh\u1eefng \u00e1p l\u1ef1c kh\u00e1c nhau”.<\/p>\n

Kho\u1ea3ng 10,000 con ong v\u00e0 t\u1ed5 ong \u1edf bang ph\u00eda nam c\u1ee7a Tasmania \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u, nh\u1eefng con kh\u00e1c c\u0169ng \u0111\u01b0\u1ee3c theo d\u00f5i trong th\u00e0nh ph\u1ed1 Sydney v\u00e0 Canberra.<\/p>\n

\"\"
\n T\u1ea1i M\u1ef9, ng\u01b0\u1eddi nu\u00f4i ong m\u1ea5t kho\u1ea3ng 42% b\u1ea7y ong tr\u01b0\u1edfng th\u00e0nh tr\u00ean 12 th\u00e1ng t\u1eeb th\u00e1ng 05-2015\u2013 N\u0103m th\u1ee9 hai t\u1ed3i t\u1ec7 nh\u1ea5t \u0111\u01b0\u1ee3c ghi nh\u1eadn so v\u1edbi n\u0103m \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c b\u00e1o c\u00e1o n\u0103m 2012-2013<\/em><\/p>\n

M\u1ed9t s\u1ed1 l\u01b0\u1ee3ng ong t\u01b0\u01a1ng t\u1ef1 t\u1ea1i Brazil c\u0169ng \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u b\u1edfi c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u, c\u00f9ng v\u1edbi m\u1ed1i quan t\u00e2m t\u1eeb c\u00e1c nh\u00e0 khoa h\u1ecdc \u1edf Ch\u00e2u \u00c2u v\u00e0 B\u1eafc M\u1ef9, Fitt n\u00f3i.<\/p>\n

Fitt c\u00f2n b\u1ed5 sung r\u1eb1ng \u201cCh\u00fang t\u00f4i s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p gi\u1ed1ng nhau v\u00e0 c\u00e2u h\u1ecfi t\u01b0\u01a1ng t\u1ef1 nhau t\u1ea1i nh\u1eefng khu v\u1ef1c kh\u00e1c nhau tr\u00ean th\u1ebf gi\u1edbi \u0111\u1ec3 c\u00f3 c\u00e1i nh\u00ecn bao qu\u00e1t h\u01a1n v\u1ec1 v\u1ea5n \u0111\u1ec1 \u0111\u1eb7t ra v\u00e0 t\u00ecm ra gi\u1ea3i ph\u00e1p chung\u201d.<\/p>\n

Qu\u1ea7n th\u1ec3 ong c\u1ee7a n\u01b0\u1edbc \u00dac v\u1eabn ch\u01b0a b\u1ecb t\u00e0n ph\u00e1 v\u00ec \u1edf ch\u00e2u l\u1ee5c n\u00e0y ch\u01b0a b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi ve Varroa.<\/p>\n

\u1ede nhi\u1ec1u qu\u1ed1c gia nh\u01b0 \u1edf M\u1ef9, ng\u01b0\u1eddi nu\u00f4i ong m\u1ea5t kho\u1ea3ng 42% t\u1ed5 ong trong v\u00f2ng 12 th\u00e1ng t\u00ednh \u0111\u1ebfn th\u00e1ng N\u0103m n\u0103m nay \u2013 \u0111\u00e2y l\u00e0 n\u0103m t\u1ed3i t\u1ec7 th\u1ee9 hai trong ghi nh\u1eadn v\u1ec1 t\u1ef7 l\u1ec7 t\u1eed vong c\u1ee7a lo\u00e0i ong \u1edf M\u1ef9, so v\u1edbi m\u00f9a t\u1ed3i t\u1ec7 nh\u1ea5t \u0111\u01b0\u1ee3c ghi trong b\u00e1o c\u00e1o n\u0103m 2012-2013, theo \u01b0\u1edbc t\u00ednh c\u1ee7a B\u1ed9 N\u00f4ng nghi\u1ec7p M\u1ef9.<\/p>\n

Ngu\u1ed3n phys.org<\/strong><\/p>\n

Kim T\u01b0\u01a1i d\u1ecbch<\/em>
\n phys.org<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00e1c nh\u00e0 khoa h\u1ecdc ng\u01b0\u1eddi \u00dac \u0111\u00e3 g\u1eafn c\u00e1c vi c\u1ea3m bi\u1ebfn v\u00e0o nh\u1eefng con ong m\u1eadt. \u0110\u00e2y l\u00e0 m\u1ed9t ph\u1ea7n trong nh\u1eefng n\u1ed5 l\u1ef1c t\u00ecm hi\u1ec3u nh\u1eefng nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y ra s\u1ef1 suy gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng c\u00e1c lo\u00e0i th\u1ee5 ph\u1ea5n tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. C\u00e1c nh\u00e0 khoa h\u1ecdc ng\u01b0\u1eddi \u00dac \u0111\u00e3 g\u1eafn c\u00e1c […]<\/p>\n","protected":false},"author":17,"featured_media":3638,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-3637","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/3637","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=3637"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/3637\/revisions"}],"predecessor-version":[{"id":3640,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/3637\/revisions\/3640"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/3638"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=3637"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=3637"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=3637"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}