Nh\u1eefng n\u0103m 60 c\u1ee7a th\u1ebf k\u1ef7 XX, th\u00e0nh ph\u1ed1 nh\u1ecf Chattanaoga \u1edf bang Tennessee c\u1ee7a n\u01b0\u1edbc M\u1ef9, t\u1eebng l\u00e0 m\u1ed9t trung t\u00e2m ch\u1ebf t\u1ea1o n\u1ed5i ti\u1ebfng to\u00e0n n\u01b0\u1edbc M\u1ef9 do b\u1ecb \u00f4 nhi\u1ec5m nghi\u00eam tr\u1ecdng. Nh\u01b0ng hi\u1ec7n nay, ph\u00e2n x\u01b0\u1edfng \u0111\u00fac gang th\u00e9p \u0111\u00e3 bi\u1ebfn th\u00e0nh m\u1ed9t nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i b\u1eb1ng n\u0103ng l\u01b0\u1ee3ng M\u1eb7t Tr\u1eddi, b\u00ean c\u1ea1nh l\u00e0 m\u1ed9t nh\u00e0 m\u00e1y x\u00e0 ph\u00f2ng s\u1eed d\u1ee5ng to\u00e0n b\u1ed9 n\u01b0\u1edbc th\u1ea3i tu\u1ea7n ho\u00e0n, li\u1ec1n \u0111\u00f3 l\u00e0 m\u1ed9t nh\u00e0 m\u00e1y l\u1ea5y s\u1ea3n ph\u1ea9m c\u1ee7a nh\u00e0 m\u00e1y x\u00e0 ph\u00f2ng l\u00e0m nguy\u00ean li\u1ec7u\u2026M\u1ecdi ng\u01b0\u1eddi \u1edf \u0111\u00e2y \u0111ang c\u1ed1 g\u1eafng x\u00e2y d\u1ef1ng m\u1ed9t m\u1ea1ng l\u01b0\u1edbi nh\u00e0 m\u00e1y ho\u00e0n ch\u1ec9nh, trong \u0111\u00f3 m\u1ed7i nh\u00e0 m\u00e1y \u0111\u1ec1u c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00f3 hi\u1ec7u qu\u1ea3 s\u1ea3n ph\u1ea9m ph\u1ee5 c\u1ee7a nh\u00e0 m\u00e1y kh\u00e1c, gi\u1ed1ng nh\u01b0 m\u1ed7i lo\u1ea1i sinh v\u1eadt tr\u00ean chu\u1ed7i th\u1ee9c \u0103n trong t\u1ef1 nhi\u00ean, do \u0111\u00f3 ho\u00e0n to\u00e0n lo\u1ea1i tr\u1eeb \u0111\u01b0\u1ee3c ch\u1ea5t ph\u1ebf th\u1ea3i, tr\u00e1nh b\u1ecb \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n
Kh\u00f4ng ph\u1ea3i ng\u1eabu nhi\u00ean m\u00e0 ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u1ee7a th\u00e0nh ph\u1ed1 mi\u1ec1n duy\u00ean h\u1ea3i Karenderborg c\u1ee7a \u0110an M\u1ea1ch c\u0169ng v\u1eadn d\u1ee5ng nguy\u00ean l\u00fd sinh th\u00e1i h\u1ecdc. H\u01a1i n\u01b0\u1edbc n\u00f3ng do nh\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n ch\u1ea1y b\u1eb1ng than s\u1ebd theo \u0111\u01b0\u1eddng \u1ed1ng chuy\u1ec3n cho nh\u00e0 m\u00e1y luy\u1ec7n d\u1ea7u v\u00e0 nh\u00e0 m\u00e1y d\u01b0\u1ee3c ph\u1ea9m, nhi\u1ec7t c\u00f2n th\u1eeba cung c\u1ea5p cho khu nu\u00f4i c\u00e1 \u1edf g\u1ea7n \u0111\u00f3; th\u1ea1ch cao do m\u00e1y lau r\u1eeda c\u1ee7a nh\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n s\u1ea3n sinh ra s\u1ebd b\u00e1n cho nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t t\u1ea5m g\u1ea1ch l\u00e1t \u1edf \u0111\u1ecba ph\u01b0\u01a1ng, nh\u00e0 m\u00e1y n\u00e0y l\u1ee3i d\u1ee5ng kh\u00ed th\u1ea3i c\u1ee7a nh\u00e0 m\u00e1y l\u1ecdc d\u1ea7u \u0111\u1ec3 \u0111\u1ed1t l\u00f2 s\u1ea5y c\u00e1c t\u1ea5m g\u1ea1ch l\u00e1t; c\u00f2n nh\u00e0 m\u00e1y l\u1ecdc d\u1ea7u th\u00ec d\u00f9ng b\u01a1m \u0111\u1ec3 b\u01a1m h\u01a1i n\u01b0\u1edbc l\u1ea1nh cho nh\u00e0 m\u00e1y \u0111i\u1ec7n \u0111\u1ec3 lau r\u1eeda v\u00e0 d\u00f9ng cho n\u1ed3i h\u01a1i, trong c\u00e1c ch\u1ea5t b\u00f9n b\u1ea9n h\u1eefu c\u01a1 c\u1ee7a khu nu\u00f4i c\u00e1 v\u00e0 nh\u00e0 m\u00e1y d\u01b0\u1ee3c ph\u1ea9m c\u00f3 nhi\u1ec1u vi sinh v\u1eadt \u0111\u01b0\u1ee3c l\u00e0m ph\u00e2n b\u00f3n ru\u1ed9ng cho nh\u00e0 n\u00f4ng\u2026<\/p>\n\n\n\n
\u1ede th\u00e0nh ph\u1ed1 Brownsville thu\u1ed9c bang Texas n\u01b0\u1edbc M\u1ef9 nh\u1eefng nh\u00e0 x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng sinh th\u00e1i c\u00f4ng nghi\u1ec7p \u0111\u00e3 thu th\u1eadp tin t\u1ee9c v\u1ec1 c\u00e1c m\u1eb7t c\u00f3 li\u00ean quan \u0111\u1ebfn nguy\u00ean v\u1eadt li\u1ec7u, s\u1ea3n ph\u1ea9m ph\u1ee5, ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng, \u1edf \u0111\u1ecba ph\u01b0\u01a1ng m\u00ecnh, n\u01b0\u1edbc d\u00f9ng cho c\u00f4ng nghi\u1ec7p v\u00e0 l\u01b0\u1ee3ng nhi\u1ec7t th\u1ea3i ra c\u1ee7a 50 x\u00ed nghi\u1ec7p v\u00e0 100 nh\u00e0 m\u00e1y kh\u00e1c, \u0111\u01b0a ch\u00fang v\u00e0o tr\u00ecnh t\u1ef1 m\u00e1y t\u00ednh, l\u00e0m r\u00f5 t\u00ecnh h\u00ecnh t\u00e0i nguy\u00ean v\u00e0 s\u1ef1 th\u1eeba thi\u1ebfu s\u1ea3n ph\u1ea9m \u1edf n\u01a1i \u0111\u00f3, \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c nh\u00f3m h\u1ee3p t\u00e1c. C\u00e1c chuy\u00ean gia<\/a> cho r\u1eb1ng, m\u1ed9t h\u1ec7 th\u1ed1ng sinh th\u00e1i c\u00f4ng nghi\u1ec7p \u0111ang trong qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh, c\u1ea7n ph\u1ea3i c\u00f3 k\u1ef9 thu\u1eadt m\u1edbi \u0111\u1eaft ti\u1ec1n, nh\u01b0ng c\u00e1i c\u00e0ng c\u1ea7n ph\u1ea3i c\u00f3 h\u01a1n l\u00e0 th\u00f4ng tin. Do \u0111\u00f3, s\u1ea3n xu\u1ea5t “kh\u00f4ng c\u00f3 ch\u1ea5t ph\u1ebf th\u1ea3i” c\u0169ng c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh m\u1ee5c ti\u00eau c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u1ee7a nhi\u1ec1u n\u01b0\u1edbc \u0111ang ph\u00e1t tri\u1ec3n. \u1ede Figi v\u00e0 Namibia, c\u00f3 hai th\u00e0nh ph\u1ed1 \u0111\u00e3 v\u1ea1ch quy ho\u1ea1ch, c\u1ea7n d\u00f9ng s\u1ea3n ph\u1ea9m ph\u1ee5 nh\u01b0 c\u00e1c h\u1ea1t l\u00faa m\u1ea1ch \u0111\u00e3 bi\u1ebfn ch\u1ea5t, c\u00e1c ch\u1ea5t l\u1eafng \u0111\u1ecdng \u0111\u00e3 l\u00ean men v\u00e0 n\u01b0\u1edbc ph\u1ebf th\u1ea3i c\u1ee7a nh\u00e0 m\u00e1y bia \u0111\u1ec3 ch\u0103n nu\u00f4i gia s\u00fac, nu\u00f4i c\u00e1 v\u00e0 l\u00e0m ph\u00e2n b\u00f3n ru\u1ed9ng, \u0111\u1ed3ng th\u1eddi d\u00f9ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t ch\u1ea5t m\u00eatan v\u00e0 d\u00f9ng l\u00e0m ch\u1ea5t c\u1ea5y vi sinh cho c\u00e2y n\u1ea5m \u0103n; c\u00f2n c\u00e1c n\u01b0\u1edbc Braxin, \u1ea5n \u0110\u1ed9, Tandania th\u00ec l\u1ea1i b\u1eaft \u0111\u1ea7u nghi\u00ean c\u1ee9u s\u1ea3n xu\u1ea5t “kh\u00f4ng c\u00f3 ch\u1ea5t ph\u1ebf th\u1ea3i” \u0111\u1ed1i v\u1edbi c\u00f4ng nghi\u1ec7p gia c\u00f4ng d\u1ea7u c\u1ecd, d\u1ea7u gai, c\u00f4ng nghi\u1ec7p \u0111\u01b0\u1eddng, gi\u1ea5y v.v.<\/p>\n\n\n\n C\u01a1 s\u1edf l\u00fd lu\u1eadn c\u1ee7a s\u1ea3n xu\u1ea5t “kh\u00f4ng c\u00f3 ch\u1ea5t ph\u1ebf th\u1ea3i” l\u00e0 sinh th\u00e1i h\u1ecdc c\u00f4ng nghi\u1ec7p. Trong m\u00f4i tr\u01b0\u1eddng sinh th\u00e1i t\u1ef1 nhi\u00ean, t\u1ea5t c\u1ea3 m\u1ecdi v\u1eadt ch\u1ea5t \u0111\u1ec1u l\u1ee3i d\u1ee5ng s\u1ef1 tu\u1ea7n ho\u00e0n li\u00ean t\u1ee5c gi\u1eefa c\u00e1c sinh v\u1eadt, do \u0111\u00f3 m\u00e0 kh\u00f4ng c\u00f3 kh\u00e1i ni\u1ec7m “ch\u1ea5t ph\u1ebf th\u1ea3i”. C\u00e1c nh\u00e0 sinh th\u00e1i h\u1ecdc c\u00f4ng nghi\u1ec7p t\u1eeb \u0111\u00f3 m\u00e0 \u0111\u01b0\u1ee3c g\u1ee3i m\u1edf, h\u1ecd cho r\u1eb1ng th\u00f4ng qua ph\u01b0\u01a1ng th\u1ee9c tu\u1ea7n ho\u00e0n c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf ch\u1ea5t ph\u1ebf th\u1ea3i trong s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p. M\u00e0 \u0111i\u1ec1u c\u1ea7n ph\u1ea3i l\u00e0m l\u00e0 ph\u1ea3i l\u1ee3i d\u1ee5ng \u0111\u1ea7y \u0111\u1ee7 nguy\u00ean v\u1eadt li\u1ec7u, t\u1eadn d\u1ee5ng kh\u1ea3 n\u0103ng thu h\u1ed3i s\u1ea3n ph\u1ea9m trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t, v\u1edbi quan ni\u1ec7m h\u1ec7 th\u1ed1ng, coi ch\u00fang l\u00e0 s\u1ea3n v\u1eadt trung gian trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111\u1ec3 chuy\u1ec3n ho\u00e1 v\u00e0 \u1ee9ng d\u1ee5ng. C\u00f3 th\u1ec3 d\u1ef1 ki\u1ebfn r\u1eb1ng, l\u1ea5y s\u1ea3n xu\u1ea5t “kh\u00f4ng c\u00f3 ch\u1ea5t ph\u1ebf th\u1ea3i” l\u00e0m m\u1ee5c ti\u00eau, theo ph\u01b0\u01a1ng h\u01b0\u1edbng ph\u00e1t tri\u1ec3n th\u00e0nh ph\u1ed1 sinh th\u00e1i, s\u1ebd mang l\u1ea1i cho \u0111\u1ea5t n\u01b0\u1edbc v\u00e0 th\u00e0nh ph\u1ed1 m\u1ed9t s\u1ee9c s\u1ed1ng ph\u00e1t tri\u1ec3n l\u00e2u d\u00e0i.<\/p>\n\n\n\n T\u1eeb kh\u00f3a: Th\u00e0nh ph\u1ed1 sinh th\u00e1i; H\u1ec7 th\u1ed1ng sinh th\u00e1i; Kh\u00f4ng ch\u1ea5t ph\u1ebf th\u1ea3i.<\/p>\n","protected":false},"excerpt":{"rendered":" Nh\u1eefng n\u0103m 60 c\u1ee7a th\u1ebf k\u1ef7 XX, th\u00e0nh ph\u1ed1 nh\u1ecf Chattanaoga \u1edf bang Tennessee c\u1ee7a n\u01b0\u1edbc M\u1ef9, t\u1eebng l\u00e0 m\u1ed9t trung t\u00e2m ch\u1ebf t\u1ea1o n\u1ed5i ti\u1ebfng to\u00e0n n\u01b0\u1edbc M\u1ef9 do b\u1ecb \u00f4 nhi\u1ec5m nghi\u00eam tr\u1ecdng. Nh\u01b0ng hi\u1ec7n nay, ph\u00e2n x\u01b0\u1edfng \u0111\u00fac gang th\u00e9p \u0111\u00e3 bi\u1ebfn th\u00e0nh m\u1ed9t nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i b\u1eb1ng n\u0103ng […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,16],"tags":[],"class_list":["post-9091","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-ky-thuat"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9091","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=9091"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9091\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9091"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9091"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9091"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}