{"id":1580,"date":"2023-02-24T12:50:10","date_gmt":"2023-02-24T05:50:10","guid":{"rendered":"https:\/\/homiq.com.vn\/?p=1580"},"modified":"2023-02-24T12:51:14","modified_gmt":"2023-02-24T05:51:14","slug":"du-an-ung-dung-vat-lieu-nano-phong-tri-benh-hoai-tu-gan-tuy-cap-ahpns-de-nuoi-tom-the-chan-trang-litopenaeus-vannamei-tai-thi-xa-huong-tra","status":"publish","type":"post","link":"https:\/\/homiq.com.vn\/?p=1580","title":{"rendered":"D\u1ef1 \u00e1n \u1ee9ng d\u1ee5ng v\u1eadt li\u1ec7u nano ph\u00f2ng tr\u1ecb b\u1ec7nh ho\u1ea1i t\u1eed gan t\u1ee5y c\u1ea5p"},"content":{"rendered":"

D\u1ef1 \u00e1n \u1ee9ng d\u1ee5ng v\u1eadt li\u1ec7u nano ph\u00f2ng tr\u1ecb b\u1ec7nh ho\u1ea1i t\u1eed gan t\u1ee5y c\u1ea5p (AHPNS) \u0111\u1ec3 nu\u00f4i t\u00f4m th\u1ebb ch\u00e2n tr\u1eafng (Litopenaeus vannamei) t\u1ea1i th\u1ecb x\u00e3 H\u01b0\u01a1ng Tr\u00e0.<\/p>\n

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1.Th\u1eddi gian th\u1ef1c hi\u1ec7n:\u00a0<\/strong>06 th\u00e1ng (T\u1eeb th\u00e1ng 04\/2018\u00a0 \u0111\u1ebfn th\u00e1ng 9\/2018))<\/p>\n

2.T\u1ed5ng v\u1ed1n th\u1ef1c hi\u1ec7n d\u1ef1 \u00e1n: 190,109\u00a0<\/strong>tri\u1ec7u \u0111\u1ed3ng, trong \u0111\u00f3:<\/strong><\/p>\n

Trong \u0111\u00f3:<\/p>\n

– T\u1eeb Ng\u00e2n s\u00e1ch s\u1ef1 nghi\u1ec7p khoa h\u1ecdc: 101.000.000<\/p>\n

– Ngu\u1ed3n kh\u00e1c (ng\u01b0\u1eddi d\u00e2n \u0111\u00f3ng g\u00f3p\u00a0 ):\u00a089.109.000<\/strong><\/p>\n

3. Ch\u1ee7 nhi\u1ec7m d\u1ef1 \u00e1n:\u00a0<\/strong>L\u00ea Th\u1ecb Kim Anh, gi\u1ea3ng vi\u00ean<\/strong>\u00a0Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc N\u00f4ng L\u00e2m, \u0110\u1ea1i h\u1ecdc Hu\u1ebf<\/p>\n

4.\u00a0T\u1ed5 ch\u1ee9c ch\u1ee7 tr\u00ec th\u1ef1c hi\u1ec7n d\u1ef1 \u00e1n:\u00a0<\/strong>Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc N\u00f4ng L\u00e2m, \u0110\u1ea1i h\u1ecdc Hu\u1ebf<\/p>\n

5. T\u00ednh c\u1ea7n thi\u1ebft c\u1ee7a d\u1ef1 \u00e1n:<\/strong><\/p>\n

Th\u1ecb x\u00e3 H\u01b0\u01a1ng Tr\u00e0 c\u00f3 nhi\u1ec1u ti\u1ec1m n\u0103ng, l\u1ee3i th\u1ebf ph\u00e1t tri\u1ec3n nu\u00f4i tr\u1ed3ng th\u1ee7y, h\u1ea3i s\u1ea3n v\u1edbi 290,1 ha nu\u00f4i th\u1ee7y s\u1ea3n n\u01b0\u1edbc l\u1ee3, 120 ha nu\u00f4i th\u1ee7y s\u1ea3n n\u01b0\u1edbc ng\u1ecdt, t\u1ed5ng s\u1ed1 l\u1ed3ng nu\u00f4i c\u00e1 l\u00e0 885 l\u1ed3ng. Trong \u0111\u00f3, t\u1eadp trung ch\u1ee7 y\u1ebfu \u1edf H\u1ea3i D\u01b0\u01a1ng v\u00e0 H\u01b0\u01a1ng Phong. L\u00e0 hai x\u00e3 c\u00f3 \u0111\u1ecba h\u00ecnh th\u1ea5p tr\u0169ng \u0111\u01b0\u1ee3c bao b\u1ecdc b\u1edfi s\u00f4ng v\u00e0 ph\u00e1 n\u00ean t\u00e1c \u0111\u1ed9ng c\u1ee7a thi\u00ean tai l\u00ean \u0111\u1eddi s\u1ed1ng v\u00e0 ho\u1ea1t \u0111\u1ed9ng s\u1ea3n xu\u1ea5t l\u00e0 r\u1ea5t l\u1edbn. Do \u0111\u00f3, ng\u01b0\u1eddi d\u00e2n \u0111\u00e3 chuy\u1ec3n t\u1eeb nu\u00f4i \u0111\u1ed9c canh t\u00f4m s\u00fa, TCT sang h\u01b0\u1edbng nu\u00f4i xen gh\u00e9p v\u1edbi c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng: c\u00e1 k\u00ecnh, c\u00e1 d\u00eca, c\u00e1 r\u00f4 phi, \u2026nh\u1eb1m gi\u1ea3m r\u1ee7i ro nh\u01b0ng d\u1eabn \u0111\u1ebfn n\u0103ng su\u1ea5t th\u1ea5p.<\/p>\n

B\u00ean c\u1ea1nh \u0111\u00f3, ng\u01b0\u1eddi d\u00e2n c\u00f2n g\u1eb7p kh\u00f3 kh\u0103n trong qu\u00e1 tr\u00ecnh nu\u00f4i nh\u01b0: \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng v\u00e0 d\u1ecbch b\u1ec7nh kh\u00e1 nhi\u1ec1u. C\u00f3 nhi\u1ec1u nguy\u00ean nh\u00e2n g\u00e2y n\u00ean b\u1ec7nh tr\u00ean TCT nh\u01b0: virus, n\u1ea5m, k\u00ed sinh tr\u00f9ng, b\u1ec7nh dinh d\u01b0\u1ee1ng v\u00e0 \u0111\u1eb7c bi\u1ec7t l\u00e0 do vi khu\u1ea9n (Zhou X v\u00e0 cs), (FAO, 2017). \u0110i\u1ec3n h\u00ecnh l\u00e0 h\u1ed9i ch\u1ee9ng ho\u1ea1i t\u1eed gan t\u1ee5y c\u1ea5p (Acute hepatopancreatic necrosis syndrome \u2013 AHPNS) l\u00e0m cho TCT ch\u1ebft h\u00e0ng lo\u1ea1t. Trong \u0111\u00f3, vi khu\u00e2\u0309n Vibrio parahaemolyticus – ta\u0301c nh\u00e2n chi\u0301nh g\u00e2y AHPNS v\u00e2\u0303n ch\u01b0a co\u0301 thu\u00f4\u0301c \u0111\u0103\u0323c tri\u0323 do vi khu\u1ea9n n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o ra m\u1ed9t m\u00e0ng biofilm b\u1ea3o v\u1ec7 tr\u01b0\u1edbc thu\u1ed1c di\u1ec7t khu\u1ea9n v\u00e0 kh\u00e1ng sinh. M\u1eb7c kh\u00e1c, kh\u00e1ng sinh \u0111\u1ec3 \u0111i\u1ec1u tr\u1ecb c\u00e1c b\u1ec7nh nhi\u1ec5m khu\u1ea9n tr\u00ean \u0111\u1ed9ng v\u1eadt th\u1ee7y s\u1ea3n kh\u00f4ng c\u00f2n hi\u1ec7u qu\u1ea3 cao do c\u00e1c d\u00f2ng vi khu\u1ea9n kh\u00e1ng thu\u1ed1c ng\u00e0y c\u00e0ng t\u0103ng, danh m\u1ee5c kh\u00e1ng sinh b\u1ecb c\u1ea5m s\u1eed d\u1ee5ng trong NTTS theo quy \u0111\u1ecbnh ng\u00e0y c\u00e0ng nhi\u1ec1u… Do v\u1eady, m\u1ed9t trong nh\u1eefng xu h\u01b0\u1edbng \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao l\u00e0 \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 nano (Th\u00e1i Th\u1ecb Ng\u1ecdc Lan, 2014). Vi\u1ec7c s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u nano mang l\u1ea1i nh\u1eefng \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i nh\u01b0: H\u1ea1n ch\u1ebf vi\u1ec7c s\u1eed d\u1ee5ng ch\u1ebf ph\u1ea9m sinh h\u1ecdc, kh\u00e1ng sinh c\u00f3 h\u1ea1i cho m\u00f4i tr\u01b0\u1eddng,\u00a0<\/em>t\u0103ng t\u00ednh h\u01b0\u1edbng \u0111\u00edch, t\u0103ng hi\u1ec7u qu\u1ea3 t\u00e1c \u0111\u1ed9ng l\u00ean t\u1ebf b\u00e0o t\u00e1c nh\u00e2n g\u00e2y b\u1ec7nh d\u1eabn \u0111\u1ebfn gi\u1ea3m d\u01b0 l\u01b0\u1ee3ng kh\u00e1ng sinh tr\u00ean t\u00f4m, \u0111\u1ed3ng th\u1eddi\u00a0 x\u1eed l\u00fd \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc NTTS. C\u00e1c m\u00f4 h\u00ecnh nu\u00f4i t\u00f4m s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u nano ph\u00f2ng tr\u1ecb b\u1ec7nh cho t\u1edbi nay v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m tr\u00ean \u0111\u1ecba b\u00e0n. Xu\u1ea5t ph\u00e1t t\u1eeb nh\u1eefng v\u1ea5n \u0111\u1ec1 \u0111\u00e3 n\u00eau tr\u00ean, ch\u00fang t\u00f4i \u0111\u1ec1 xu\u1ea5t d\u1ef1 \u00e1n:\u00a0\u201c<\/strong>\u1ee8ng d\u1ee5ng v\u1eadt li\u1ec7u nano ph\u00f2ng tr\u1ecb b\u1ec7nh ho\u1ea1i t\u1eed gan t\u1ee5y c\u1ea5p (AHPNS) \u0111\u1ec3 nu\u00f4i t\u00f4m th\u1ebb ch\u00e2n tr\u1eafng\u00a0(Litopenaeus vannamei)<\/em>\u00a0t\u1ea1i th\u1ecb x\u00e3 H\u01b0\u01a1ng Tr\u00e0.\u201d<\/strong>. D\u1ef1 \u00e1n h\u1ee9a h\u1eb9n \u0111\u01b0a ra m\u00f4 h\u00ecnh \u0111i\u1ec3n h\u00ecnh, \u0111a d\u1ea1ng h\u00f3a h\u00ecnh th\u1ee9c nu\u00f4i n\u00e2ng cao t\u00ednh b\u1ec1n v\u1eefng, l\u00e0m c\u01a1 s\u1edf chuy\u1ec3n giao v\u00e0 \u1ee9ng d\u1ee5ng ti\u1ebfn b\u1ed9 khoa h\u1ecdc k\u1ef9 thu\u1eadt, nh\u00e2n r\u1ed9ng ra c\u00e1c v\u00f9ng l\u00e2n c\u1eadn, g\u00f3p ph\u1ea7n x\u00f3a \u0111\u00f3i, gi\u1ea3m ngh\u00e8o, ph\u00e1t tri\u1ec3n kinh t\u1ebf x\u00e3 h\u1ed9i \u1edf n\u00f4ng th\u00f4n.<\/p>\n

6.T\u00ednh m\u1edbi v\u00e0 th\u00edch h\u1ee3p c\u1ee7a quy tr\u00ecnh c\u00f4ng ngh\u1ec7 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng<\/strong><\/p>\n

N\u00eau nh\u1eefng th\u00f4ng tin c\u01a1 b\u1ea3n, m\u1edbi nh\u1ea5t v\u1ec1 c\u00e1c quy tr\u00ecnh c\u00f4ng ngh\u1ec7 \u0111ang \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng trong l\u0129nh v\u1ef1c d\u1ef1 \u00e1n d\u1ef1 ki\u1ebfn tri\u1ec3n khai<\/strong><\/p>\n

Hi\u1ec7n nay, t\u1ea1i th\u1ecb x\u00e3 H\u01b0\u01a1ng Tr\u00e0, t\u00ecnh h\u00ecnh nu\u00f4i TCT \u1edf \u0111\u1ecba ph\u01b0\u01a1ng c\u00f2n nhi\u1ec1u h\u1ea1n ch\u1ebf, ch\u1ee7 y\u1ebfu nu\u00f4i t\u00f4m theo kinh nghi\u1ec7m v\u1ed1n c\u00f3, d\u1ef1a tr\u00ean h\u00ecnh th\u1ee9c nu\u00f4i xen gh\u00e9p n\u00ean d\u1ecbch b\u1ec7nh x\u1ea3y ra li\u00ean t\u1ee5c, d\u1eabn \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng, n\u0103ng su\u1ea5t th\u1ea5p. M\u00f4 h\u00ecnh nu\u00f4i TCT s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u nano v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng tr\u00ean \u0111\u1ecba b\u00e0n.<\/p>\n

\u0110\u1eb7c \u0111i\u1ec3m v\u00e0 xu\u1ea5t x\u1ee9 c\u1ee7a quy tr\u00ecnh c\u00f4ng ngh\u1ec7 d\u1ef1 ki\u1ebfn \u00e1p d\u1ee5ng<\/em><\/strong><\/p>\n

C\u00f4ng ngh\u1ec7 nano l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 c\u00f3 ti\u1ec1m n\u0103ng cao trong nhi\u1ec1u l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7. V\u1eadt li\u1ec7u nano v\u1edbi k\u00edch th\u01b0\u1edbc c\u1ee1 nano m\u00e9t ( 1nm = 10-9<\/sup>\u00a0m) c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0: nh\u1eb9 h\u01a1n, kh\u1ecfe h\u01a1n, th\u00f4ng minh h\u01a1n, r\u1ebb h\u01a1n, s\u1ea1ch h\u01a1n v\u00e0 b\u1ec1n h\u01a1n. Nh\u1eefng ti\u1ebfn b\u1ed9 nhanh trong c\u00f4ng ngh\u1ec7 nano trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y m\u1edf ra ch\u00e2n tr\u1eddi m\u1edbi cho nhi\u1ec1u l\u0129nh v\u1ef1c c\u00f4ng nghi\u1ec7p v\u00e0 ti\u00eau d\u00f9ng, \u0111\u01b0\u1ee3c coi l\u00e0 m\u00e3nh \u0111\u1ea5t m\u00e0u m\u1ee1 c\u1ee7a cu\u1ed9c c\u00e1ch m\u1ea1ng c\u00f4ng nghi\u1ec7p m\u1edbi. Ngo\u00e0i c\u00e1c \u1ee9ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p v\u00e0 \u0111i\u1ec7n t\u1eed v\u1eadt li\u1ec7u nano \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i hi\u1ec7n nay, m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng ti\u1ec1m n\u0103ng c\u1ee7a c\u00f4ng ngh\u1ec7 nano c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn nh\u01b0 ph\u00e1t hi\u1ec7n v\u00e0 x\u1eed l\u00ed \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng, ngu\u1ed3n n\u0103ng l\u01b0\u01a1ng gia d\u1ee5ng r\u1ebb h\u01a1n, \u1ee9ng d\u1ee5ng trong th\u1ef1c ph\u1ea9m v\u00e0 n\u00f4ng nghi\u1ec7p t\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m r\u1ebb, an to\u00e0n v\u00e0 b\u1ec1n h\u01a1n,; trong l\u0129nh v\u1ef1c y t\u1ebf, v\u1eadt li\u1ec7u nano \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111i\u1ec1u tr\u1ecb ung th\u01b0 \u0111\u1ec3 ch\u1ea9n \u0111o\u00e1n, ph\u00f2ng v\u00e0 \u0111i\u1ec1u tr\u1ecb ung th\u01b0. V\u1ea5n \u0111\u1ec1 kh\u00e1ng thu\u1ed1c trong c\u00e1c b\u1ec7nh li\u00ean quan \u0111\u1ebfn vi khu\u1ea9n, virut \u0111ang l\u00e0 m\u1ed9t trong nh\u1eefng m\u1ed1i lo ng\u1ea1i h\u00e0ng \u0111\u1ea7u. Ph\u00e1t tri\u1ec3n nh\u1eefng lo\u1ea1i thu\u1ed1c m\u1edbi lu\u00f4n ti\u00eau t\u1ed1n r\u1ea5t nhi\u1ec1u th\u1eddi gian, c\u00f4ng s\u1ee9c, ti\u1ec1n b\u1ea1c. C\u00f4ng ngh\u1ec7 nano gi\u00fap n\u00e2ng cao hi\u1ec7u qu\u1ea3 c\u1ee7a nh\u1eefng kh\u00e1ng sinh hi\u1ec7n t\u1ea1i c\u0169ng nh\u01b0 ng\u0103n ch\u1eb7n s\u1ef1 kh\u00e1ng thu\u1ed1c. Hi\u1ec7n nay c\u00f4ng ngh\u1ec7 nano \u0111ang \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u \u0111\u1ec3 \u1ee9ng d\u1ee5ng trong n\u00f4ng nghi\u1ec7p v\u00e0 c\u00e1c l\u0129nh v\u1ef1c li\u00ean quan trong \u0111\u00f3 c\u00f3 NTTS.\u00a0 M\u1eb7c d\u00f9 \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 nano v\u1eabn c\u00f2n \u1edf giai \u0111o\u1ea1n r\u1ea5t s\u1edbm trong NTTS, tuy nhi\u00ean c\u00f4ng ngh\u1ec7 nano ch\u1eafc ch\u1eafn l\u00e0 m\u1ed9t c\u01a1 h\u1ed9i l\u1edbn cho n\u1ec1n kinh t\u1ebf v\u00e0 s\u1ef1 ph\u00e1t tri\u1ec3n b\u1ec1n v\u1eefng c\u1ee7a ngu\u1ed3n l\u1ee3i th\u1ee7y s\u1ea3n.<\/p>\n

D\u1ef1 \u00e1n xu\u1ea5t x\u1ee9 t\u1eeb \u0111\u1ec1 t\u00e0i khoa h\u1ecdc c\u00f4ng ngh\u1ec7 c\u1ea5p c\u01a1 s\u1edf 2017 \u201cNghi\u00ean c\u1ee9u, t\u1ed5ng h\u1ee3p, \u0111\u1eb7c tr\u01b0ng h\u1ec7 v\u1eadt li\u1ec7u nano t\u1ed5 h\u1ee3p mang kh\u00e1ng sinh trong ph\u00f2ng v\u00e0 tr\u1ecb b\u1ec7nh do vi khu\u1ea9n Vibrio spp. g\u00e2y ra tr\u00ean t\u00f4m th\u1ebb ch\u00e2n tr\u1eafng (Litopenaeus vannamei)\u00a0<\/em>t\u1ea1i Th\u1eeba Thi\u00ean Hu\u1ebf\u201d\u00a0<\/em>do ThS. L\u00ea Th\u1ecb Kim Anh c\u00f4ng t\u00e1c t\u1ea1i khoa C\u01a1 b\u1ea3n \u2013 \u0110\u1ea1i h\u1ecdc N\u00f4ng L\u00e2m, \u0110\u1ea1i h\u1ecdc Hu\u1ebf l\u00e0m ch\u1ee7 nhi\u1ec7m \u0111\u1ec1 t\u00e0i. Ngo\u00e0i ra, C\u00f4ng ty CP Huetronics v\u00e0 TS. Tr\u01b0\u01a1ng V\u0103n Ch\u01b0\u01a1ng \u0111\u00e3 nghi\u00ean c\u1ee9u v\u00e0 cho ra \u0111\u1eddi b\u1ed9 3 gi\u1ea3i ph\u00e1p: colpa nano feed, colpa carbon, nano TiO2<\/sub>\u00a0k\u1ebft h\u1ee3p v\u1edbi H2<\/sub>O2<\/sub>\u00a0nh\u1eb1m m\u1ee5c \u0111\u00edch n\u00e2ng cao s\u1ee9c \u0111\u1ec1\u00a0 kh\u00e1ng cho t\u00f4m, l\u00e0m s\u1ea1ch n\u01b0\u1edbc, di\u1ec7t khu\u1ea9n, di\u1ec7t t\u1ea3o. B\u00ean c\u1ea1nh \u0111\u00f3, th\u1ef1c t\u1ebf \u0111\u00e3 cho th\u1ea5y m\u1ed9t s\u1ed1 m\u00f4 h\u00ecnh nu\u00f4i TCT s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u nano nh\u01b0: nano b\u1ea1c, nano titan, nano \u0111\u1ed3ng, nano s\u1eaft, nano th\u1ea3o d\u01b0\u1ee3c, \u2026 \u0111\u00e3 \u0111\u01b0\u1ee3c tri\u1ec3n khai v\u00e0 mang l\u1ea1i th\u00e0nh c\u00f4ng l\u1edbn cho c\u00e1c h\u1ed9 nu\u00f4i t\u1ea1i c\u00e1c t\u1ec9nh C\u00e0 Mau, B\u1ea1c Li\u00eau, Tr\u00e0 Vinh, S\u00f3c Tr\u0103ng, B\u1ebfn Tre, \u2026. T\u1eeb nh\u1eefng v\u1ea5n\u00a0 \u0111\u1ec1 \u0111\u00e3 n\u00eau tr\u00ean, ch\u00fang t\u00f4i th\u1eed nghi\u1ec7m \u1ee9ng d\u1ee5ng v\u1eadt li\u1ec7u nano trong nu\u00f4i TCT\u00a0 nh\u1eb1m n\u00e2ng cao n\u0103ng su\u1ea5t, ch\u1ea5t l\u01b0\u1ee3ng t\u00f4m, \u0111\u1ed3ng th\u1eddi t\u1ea1o ngu\u1ed3n s\u1ea3n ph\u1ea9m b\u1ea3o \u0111\u1ea3m an to\u00e0n v\u1ec7 sinh th\u1ef1c ph\u1ea9m (ATVSTP), \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a ng\u01b0\u1eddi ti\u00eau d\u00f9ng.<\/p>\n

N\u00eau t\u00ednh m\u1edbi c\u1ee7a quy tr\u00ecnh c\u00f4ng ngh\u1ec7 d\u1ef1 ki\u1ebfn \u00e1p d\u1ee5ng so v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 \u0111ang \u00e1p d\u1ee5ng t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng<\/em><\/strong>.<\/em><\/p>\n

V\u1eadt li\u1ec7u nano c\u00f3 \u1ee9ng d\u1ee5ng \u0111a d\u1ea1ng kh\u00f4ng ch\u1ec9 trong khoa h\u1ecdc \u0111i\u1ec7n t\u1eed v\u00e0 v\u1eadt li\u1ec7u m\u00e0 c\u00f2n trong l\u0129nh v\u1ef1c n\u00f4ng nghi\u1ec7p bao g\u1ed3m NTTS.<\/p>\n

Nano Ag c\u00f3 t\u00ednh ch\u1ea5t kh\u00e1c bi\u1ec7t so v\u1edbi v\u1eadt li\u1ec7u kh\u1ed1i do hi\u1ec7u \u1ee9ng b\u1ec1 m\u1eb7t, hi\u1ec7u \u1ee9ng k\u00edch thu\u1edbc v\u00e0 do c\u00f3 m\u1eadt \u0111\u1ed9 \u0111i\u1ec7n t\u1eed t\u1ef1 do l\u1edbn. C\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a nano Ag ch\u1ee7 y\u1ebfu d\u1ef1a v\u00e0o kh\u1ea3 n\u0103ng di\u1ec7t khu\u1ea9n m\u1ea1nh tr\u00ean ph\u1ed5 r\u1ed9ng. Nano Ag\u00a0 kh\u00e1ng khu\u1ea9n theo hai c\u01a1 ch\u1ebf ch\u00ednh:<\/p>\n

– Nano Ag li\u00ean k\u1ebft c\u00e1c c\u1ea7u n\u1ed1i disulfit (S-S) trong c\u1ea5u tr\u00fac enzym c\u1ee7a c\u00e1c vi khu\u1ea9n, vi n\u1ea5m. C\u00e1c c\u1ea7u n\u1ed1i n\u00e0y r\u1ea5t quan tr\u1ecdng v\u00ec n\u00f3 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t c\u00f4ng t\u1eafc \u0111\u00f3ng, m\u1edf thu\u1eadn ngh\u1ecbch \u0111\u1ec3 t\u1ea1o ra protein khi t\u1ebf b\u00e0o vi khu\u1ea9n g\u1eb7p c\u00e1c ph\u1ea3n \u1ee9ng oxy h\u00f3a. Nano Ag v\u00f4 hi\u1ec7u h\u00f3a enzym n\u00e0y n\u00ean c\u00f3 t\u00e1c d\u1ee5ng di\u1ec7t khu\u1ea9n, di\u1ec7t n\u1ea5m.<\/p>\n

– Ph\u00e1 v\u1ee1 m\u00e0ng t\u1ebf b\u00e0o vi khu\u1ea9n b\u1eb1ng c\u00e1c ph\u1ea3n \u1ee9ng oxy h\u00f3a: Nano Ag gi\u00fap t\u1ea1o ra oxy ho\u1ea1t t\u00ednh trong kh\u00f4ng kh\u00ed ho\u1eb7c trong nu\u1edbc. Nh\u1eefng oxy ho\u1ea1t t\u00ednh n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1 v\u1ee1 m\u00e0ng t\u1ebf b\u00e0o ho\u1eb7c th\u00e0nh t\u1ebf b\u00e0o c\u1ee7a vi khu\u1ea9n.<\/p>\n

M\u1eb7c kh\u00e1c, nano Ag kh\u00f4ng g\u00e2y ph\u1ea3n \u1ee9ng ph\u1ee5, kh\u00f4ng g\u00e2y \u0111\u1ed9c cho ng\u01b0\u1eddi v\u00e0 v\u1eadt nu\u00f4i khi nhi\u1ec5m l\u01b0\u1ee3ng nano Ag b\u1eb1ng n\u1ed3ng \u0111\u1ed9 di\u1ec7t khu\u1ea9n (<100ppm).<\/p>\n

B\u00ean c\u1ea1nh \u0111\u00f3, \u0111\u1ec1 t\u00e0i nghi\u00ean c\u1ee9u khoa h\u1ecdc c\u1ea5p c\u01a1 s\u1edf 2017: \u201cNghi\u00ean c\u1ee9u, t\u1ed5ng h\u1ee3p, \u0111\u1eb7c tr\u01b0ng h\u1ec7 v\u1eadt li\u1ec7u nano t\u1ed5 h\u1ee3p mang kh\u00e1ng sinh trong ph\u00f2ng v\u00e0 tr\u1ecb b\u1ec7nh do vi khu\u1ea9n\u00a0Vibrio spp.<\/em>\u00a0g\u00e2y ra tr\u00ean t\u00f4m th\u1ebb ch\u00e2n tr\u1eafng\u00a0(Litopenaeus vannamei)<\/em>\u00a0t\u1ea1i Th\u1eeba Thi\u00ean Hu\u1ebf\u201d do Th.S L\u00ea Th\u1ecb Kim Anh l\u00e0m ch\u1ee7 nhi\u1ec7m v\u00e0 tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc N\u00f4ng L\u00e2m, \u0110\u1ea1i h\u1ecdc Hu\u1ebf l\u00e0 \u0111\u01a1n v\u1ecb ch\u1ee7 tr\u00ec cho th\u1ea5y: H\u1ec7 v\u1eadt li\u1ec7u nano t\u1ed5 h\u1ee3p mang kh\u00e1ng sinh (g\u1ecdi t\u1eaft l\u00e0 v\u1eadt li\u1ec7u nano) \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p th\u00e0nh c\u00f4ng. V\u1eadt li\u1ec7u v\u1edbi k\u00edch th\u01b0\u1edbc nh\u1ecf (t\u1eeb 70 \u0111\u1ebfn 80nm) th\u1ec3 hi\u1ec7n c\u00e1c t\u00ednh ch\u1ea5t \u01b0u vi\u1ec7t: Ho\u1ea1t t\u00ednh nhanh v\u00e0 m\u1ea1nh, kh\u1ea3 n\u0103ng ph\u00e2n ph\u1ed1i thu\u1ed1c t\u1ed1t, ph\u00e2n t\u00e1n trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc v\u00e0 \u0111\u1eb7c bi\u1ec7t kh\u1ea3 n\u0103ng kh\u00e1ng khu\u1ea9n \u0111\u1ed1i v\u1edbi\u00a0Vibrio spp.-<\/em>\u00a0t\u00e1c nh\u00e2n g\u00e2y b\u1ec7nh tr\u00ean t\u00f4m th\u1ebb ch\u00e2n tr\u1eafng (TCT). C\u1ee5 th\u1ec3, n\u1ed3ng \u0111\u1ed9 \u1ee9c ch\u1ebf t\u1ed1i thi\u1ec3u c\u1ee7a v\u1eadt li\u1ec7u nano \u0111\u1ed1i v\u1edbi vi khu\u1ea9n\u00a0V. cholerae<\/em>\u00a0l\u00e0 50ppm,\u00a0V. parahaemolyticus<\/em>\u00a0v\u00e0\u00a0V. alginolyticus<\/em>\u00a0l\u00e0 40ppm. N\u1ed3ng \u0111\u1ed9 ti\u00eau di\u1ec7t t\u1ed1i thi\u1ec3u c\u1ee7a v\u1eadt li\u1ec7u nano \u0111\u1ed1i v\u1edbi 3 vi khu\u1ea9n\u00a0V. parahaemolyticus<\/em>,\u00a0V. alginolyticus<\/em>\u00a0v\u00e0\u00a0V. cholerae<\/em>\u00a0l\u1ea7n l\u01b0\u1ee3t l\u00e0 50ppm, 55ppm v\u00e0 60ppm. T\u1eeb c\u00e1c k\u1ebft qu\u1ea3 tr\u00ean cho th\u1ea5y: Vi\u1ec7c s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u nano x\u1eed l\u00fd n\u01b0\u1edbc nu\u00f4i TCT m\u1ed9t m\u1eb7t s\u1ebd ng\u0103n ch\u1eb7n v\u00e0 ti\u00eau di\u1ec7t m\u1ea7m b\u1ec7nh, gi\u1ea3m thi\u1ec3u vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i h\u00f3a ch\u1ea5t, kh\u00e1ng sinh, m\u1eb7t kh\u00e1c lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t (c\u1eb7n b\u00e3 h\u1eefu c\u01a1; t\u1ea3o g\u00e2y \u0111\u1ed9c,\u2026) g\u00f3p ph\u1ea7n l\u00e0m t\u0103ng ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc. T\u1eeb \u0111\u00f3, n\u00e2ng cao n\u0103ng su\u1ea5t, ch\u1ea5t l\u01b0\u1ee3ng t\u00f4m, \u0111\u1ed3ng th\u1eddi t\u1ea1o ngu\u1ed3n s\u1ea3n ph\u1ea9m b\u1ea3o \u0111\u1ea3m an to\u00e0n v\u1ec7 sinh th\u1ef1c ph\u1ea9m (ATVSTP), \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a ng\u01b0\u1eddi ti\u00eau d\u00f9ng.<\/p>\n

N\u00eau t\u00ednh th\u00edch h\u1ee3p c\u1ee7a quy tr\u00ecnh c\u00f4ng ngh\u1ec7 d\u1ef1 ki\u1ebfn \u00e1p d\u1ee5ng<\/em><\/strong><\/p>\n

Quy tr\u00ecnh \u00e1p d\u1ee5ng trong d\u1ef1 \u00e1n n\u00e0y l\u00e0 quy tr\u00ecnh \u0111\u01b0\u1ee3c bi\u00ean so\u1ea1n d\u1ef1a tr\u00ean c\u00e1c nghi\u00ean c\u1ee9u b\u00e0i b\u1ea3n, n\u00ean quy tr\u00ecnh h\u1ee9a h\u1eb9n c\u00f3 t\u00ednh ph\u00f9 h\u1ee3p cao, th\u00edch h\u1ee3p v\u1edbi \u0111i\u1ec1u ki\u1ec7n s\u1ea3n xu\u1ea5t t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng, \u0111\u1ea3m b\u1ea3o c\u01a1 s\u1edf ph\u00e1p l\u00fd, c\u01a1 s\u1edf khoa h\u1ecdc v\u00e0 c\u01a1 s\u1edf th\u1ef1c ti\u1ec5n.<\/p>\n

7. M\u1ee5c ti\u00eau<\/em><\/strong><\/p>\n

M\u1ee5c ti\u00eau chung<\/em><\/strong><\/p>\n

S\u1eed d\u1ee5ng v\u1eadt li\u1ec7u nano trong\u00a0 nu\u00f4i TCT nh\u1eb1m ph\u00f2ng tr\u1ecb b\u1ec7nh v\u00e0 gi\u1ea3m thi\u1ec3u \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc, g\u00f3p ph\u1ea7n n\u00e2ng cao hi\u1ec7u qu\u1ea3 kinh t\u1ebf cho th\u1ecb x\u00e3 H\u01b0\u01a1ng Tr\u00e0 n\u00f3i ri\u00eang, t\u1ec9nh Th\u1eeba Thi\u00ean Hu\u1ebf n\u00f3i chung.<\/p>\n

M\u1ee5c ti\u00eau c\u1ee5 th\u1ec3<\/em><\/strong><\/p>\n

– X\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh nu\u00f4i TCT s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u nano th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng, n\u00e2ng cao n\u0103ng su\u1ea5t, ch\u1ea5t l\u01b0\u1ee3ng t\u00f4m, t\u1ea1o ra s\u1ea3n ph\u1ea9m t\u00f4m b\u1ea3o \u0111\u1ea3m ATVSTP.<\/p>\n

– \u0110\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 kinh t\u1ebf do m\u00f4 h\u00ecnh nu\u00f4i TCT s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u nano mang l\u1ea1i.<\/p>\n

– Ho\u00e0n thi\u1ec7n quy tr\u00ecnh k\u1ef9 thu\u1eadt \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 nano trong nu\u00f4i TCT \u0111\u1ec3 ph\u1ed5 bi\u1ebfn, chuy\u1ec3n giao, v\u00e0 nh\u00e2n r\u1ed9ng ra tr\u00ean \u0111\u1ecba b\u00e0n huy\u1ec7n v\u00e0 c\u00e1c v\u00f9ng l\u00e2n c\u1eadn g\u00f3p ph\u1ea7n x\u00f3a \u0111\u00f3i, gi\u1ea3m ngh\u00e8o, ph\u00e1t tri\u1ec3n kinh t\u1ebf x\u00e3 h\u1ed9i n\u00f4ng th\u00f4n.<\/p>\n

8. Ti\u1ebfn \u0111\u1ed9 d\u1ef1 \u00e1n:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
17<\/strong><\/td>\nTi\u1ebfn \u0111\u1ed9 th\u1ef1c hi\u1ec7n<\/strong><\/td>\n<\/tr>\n
TT<\/strong><\/td>\nC\u00e1c n\u1ed9i dung, c\u00f4ng vi\u1ec7c<\/strong><\/p>\n

th\u1ef1c hi\u1ec7n ch\u1ee7 y\u1ebfu<\/strong><\/td>\n

S\u1ea3n ph\u1ea9m<\/strong><\/p>\n

ph\u1ea3i \u0111\u1ea1t<\/strong><\/td>\n

Th\u1eddi gian<\/strong><\/p>\n

(B\u0110-KT)<\/strong><\/td>\n

Ng\u01b0\u1eddi, c\u01a1 quan th\u1ef1c hi\u1ec7n<\/strong><\/td>\n<\/tr>\n
1<\/td>\n2<\/td>\n3<\/td>\n4<\/td>\n5<\/td>\n<\/tr>\n
1<\/td>\nVi\u1ebft thuy\u1ebft minh, k\u00fd h\u1ee3p \u0111\u1ed3ng<\/td>\nH\u1ed3 s\u01a1 d\u1ef1 \u00e1n<\/td>\n4\/2018<\/td>\nCh\u1ee7 nhi\u1ec7m v\u00e0 c\u00e1c th\u00e0nh vi\u00ean<\/td>\n<\/tr>\n
2<\/td>\nN\u1ed9i dung 1: Kh\u1ea3o s\u00e1t ch\u1ecdn h\u1ed9 d\u00e2n th\u1ef1c hi\u1ec7n d\u1ef1 \u00e1n<\/td>\nCh\u1ecdn \u0111\u01b0\u1ee3c h\u1ed9 d\u00e2n ph\u00f9 h\u1ee3p<\/td>\n4\/2018<\/td>\nCh\u1ee7 nhi\u1ec7m v\u00e0 c\u00e1c th\u00e0nh vi\u00ean<\/td>\n<\/tr>\n
3<\/td>\nN\u1ed9i dung 2: \u0110\u00e0o t\u1ea1o, t\u1eadp hu\u1ea5n, chuy\u1ec3n giao ti\u1ebfn b\u1ed9 KHKT<\/td>\n2 l\u1edbp, 30 ng\u01b0\u1eddi\/l\u1edbp<\/td>\n5\/2018<\/td>\nCh\u1ee7 nhi\u1ec7m v\u00e0 c\u00e1c th\u00e0nh vi\u00ean<\/td>\n<\/tr>\n
4<\/td>\nN\u1ed9i dung 3: X\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh nu\u00f4i TCT s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u nano<\/td>\nHo\u00e0n thi\u1ec7n 1 m\u00f4 h\u00ecnh (4000 m2<\/sup>)<\/td>\n5-7\/2018<\/td>\nCh\u1ee7 nhi\u1ec7m v\u00e0 c\u00e1c th\u00e0nh vi\u00ean<\/td>\n<\/tr>\n
5<\/td>\nN\u1ed9i dung 4: H\u1ed9i ngh\u1ecb \u0111\u1ea7u b\u1edd.<\/td>\n1 h\u1ed9i ngh\u1ecb, 30 \u0111\u1ea1i bi\u1ec3u<\/td>\n8\/2018<\/td>\nCh\u1ee7 nhi\u1ec7m v\u00e0 c\u00e1c th\u00e0nh vi\u00ean<\/td>\n<\/tr>\n
5<\/td>\nVi\u1ebft b\u00e1o c\u00e1o t\u1ed5ng k\u1ebft<\/td>\n1 b\u00e1o c\u00e1o<\/td>\n9\/2018<\/td>\nCh\u1ee7 nhi\u1ec7m, th\u01b0 k\u00fd khoa h\u1ecdc<\/td>\n<\/tr>\n
6<\/td>\nNghi\u1ec7m thu d\u1ef1 \u00e1n<\/td>\nH\u1ed9i \u0111\u1ed3ng nghi\u1ec7m thu<\/td>\n9\/2018<\/td>\nCh\u1ee7 nhi\u1ec7m d\u1ef1 \u00e1n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

9.\u00a0 Hi\u1ec7u qu\u1ea3 kinh t\u1ebf.<\/p>\n

+ C\u00f4ng ngh\u1ec7 nano s\u1ebd g\u00f3p ph\u1ea7n t\u0103ng n\u0103ng su\u1ea5t (n\u0103ng su\u1ea5t b\u00ecnh c\u00f4ng \u01b0\u1edbc \u0111\u1ea1t 5 t\u1ea5n\/ha). H\u1ea1ch to\u00e1n l\u1ee3i nhu\u1eadn c\u1ee7a to\u00e0n d\u1ef1 \u00e1n mang l\u1ea1i kh\u00e1 cao (tr\u00ean 80 tri\u1ec7u \u0111\u1ed3ng) cho m\u1ed9t v\u1ee5 nu\u00f4i t\u00f4m. Ngu\u1ed3n thu nh\u1eadp n\u00e0y c\u00f2n tri\u1ec3n v\u1ecdng n\u00e2ng l\u00ean nhi\u1ec1u l\u1ea7n n\u1ebfu t\u1ea1i th\u1eddi \u0111i\u1ec3m thu ho\u1ea1ch gi\u00e1 t\u00f4m b\u00e1n ra cao h\u01a1n so v\u1edbi d\u1ef1 t\u00ednh v\u00e0 ng\u01b0\u1eddi d\u00e2n t\u0103ng c\u01b0\u1eddng \u0111\u1ea7u t\u01b0, th\u1ef1c hi\u1ec7n t\u1ed1t quy tr\u00ecnh k\u1ef9 thu\u1eadt.<\/p>\n

+ C\u00f4ng ngh\u1ec7 nano s\u1ebd gi\u00fap t\u1ef7 l\u1ec7 s\u1ed1ng c\u1ee7a t\u00f4m \u0111\u1ea1t cao h\u01a1n, t\u00f4m ph\u00e1t tri\u1ec3n \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 nhanh h\u01a1n.<\/p>\n

+ Chi ph\u00ed \u0111\u1ec3 s\u1eed d\u1ee5ng dung d\u1ecbch nano trong to\u00e0n b\u1ed9 v\u1ee5 nu\u00f4i kh\u00f4ng cao so v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m kh\u00e1c tr\u00ean th\u1ecb tr\u01b0\u1eddng nh\u01b0ng mang l\u1ea1i hi\u1ec7u qu\u1ea3 cao h\u01a1n, \u0111\u00e2y l\u00e0 chi ph\u00ed m\u00e0 nhi\u1ec1u h\u1ed9 nu\u00f4i t\u00f4m c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng \u0111\u01b0\u1ee3c.<\/p>\n

Ngu\u1ed3n:https:\/\/huongtra.thuathienhue.gov.vn\/?gd=8&cn=677&tc=5953<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

D\u1ef1 \u00e1n \u1ee9ng d\u1ee5ng v\u1eadt li\u1ec7u nano ph\u00f2ng tr\u1ecb b\u1ec7nh ho\u1ea1i t\u1eed gan t\u1ee5y c\u1ea5p (AHPNS) \u0111\u1ec3 nu\u00f4i t\u00f4m th\u1ebb ch\u00e2n tr\u1eafng (Litopenaeus vannamei) t\u1ea1i th\u1ecb x\u00e3 H\u01b0\u01a1ng Tr\u00e0. 1.Th\u1eddi gian th\u1ef1c hi\u1ec7n:\u00a006 th\u00e1ng (T\u1eeb th\u00e1ng 04\/2018\u00a0 \u0111\u1ebfn th\u00e1ng 9\/2018)) 2.T\u1ed5ng v\u1ed1n th\u1ef1c hi\u1ec7n d\u1ef1 \u00e1n: 190,109\u00a0tri\u1ec7u \u0111\u1ed3ng, trong \u0111\u00f3: Trong \u0111\u00f3: – T\u1eeb Ng\u00e2n<\/p>\n","protected":false},"author":2,"featured_media":1581,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[204],"tags":[],"class_list":["post-1580","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"yoast_head":"\nD\u1ef1 \u00e1n \u1ee9ng d\u1ee5ng v\u1eadt li\u1ec7u nano ph\u00f2ng tr\u1ecb b\u1ec7nh ho\u1ea1i t\u1eed gan t\u1ee5y c\u1ea5p - 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