{"id":28156,"date":"2020-12-25T16:04:00","date_gmt":"2020-12-25T09:04:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=28156"},"modified":"2021-09-30T23:45:24","modified_gmt":"2021-09-30T16:45:24","slug":"thuc-an-cong-nghiep-nuoi-cua-lot-cho-hieu-qua-cao","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/thuc-an-cong-nghiep-nuoi-cua-lot-cho-hieu-qua-cao\/","title":{"rendered":"Th\u1ee9c \u0103n c\u00f4ng nghi\u1ec7p nu\u00f4i cua l\u1ed9t cho hi\u1ec7u qu\u1ea3 cao"},"content":{"rendered":"\n<p>Trung t\u00e2m C\u00f4ng ngh\u1ec7 th\u1ee9c \u0103n v\u00e0 sau thu ho\u1ea1ch th\u1ee7y s\u1ea3n thu\u1ed9c Vi\u1ec7n Nghi\u00ean c\u1ee9u nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n II, \u0111\u00e3 nghi\u00ean c\u1ee9u, s\u1ea3n xu\u1ea5t th\u00e0nh c\u00f4ng th\u1ee9c \u0103n c\u00f4ng nghi\u1ec7p k\u00edch th\u00edch cua l\u1ed9t x\u00e1c, v\u1edbi hi\u1ec7u su\u1ea5t l\u1ed9t v\u1ecf l\u00ean \u0111\u1ebfn 87,5% v\u00e0 t\u1ef7 l\u1ec7 l\u1ed9t v\u1ecf \u0111\u1ed3ng lo\u1ea1t \u0111\u1ea1t g\u1ea7n 43% sau 20 ng\u00e0y nu\u00f4iM\u1ed9t s\u1ed1 lo\u1ea1i gi\u00e1p x\u00e1c nh\u01b0 t\u00f4m, cua, gh\u1eb9 sau khi l\u1ed9t v\u1ecf c\u00f3 th\u00e0nh ph\u1ea7n dinh d\u01b0\u1ee1ng cao v\u1edbi canxi v\u00e0 ph\u1ed1t pho d\u1ec5 h\u1ea5p th\u1ee5 \u0111\u1ec3 ph\u1ee5c h\u1ed3i nhanh ch\u00f3ng t\u00ecnh tr\u1ea1ng thi\u1ebfu h\u1ee5t canxi \u1edf tr\u1ebb em v\u00e0 ng\u01b0\u1eddi cao tu\u1ed5i. B\u00ean c\u1ea1nh \u0111\u00f3, th\u1ecbt cua l\u1ed9t c\u00f2n ch\u1ee9a nhi\u1ec1u lo\u1ea1i axit amin, c\u00f3 th\u1ec3 \u0103n nguy\u00ean con n\u00ean \u0111\u01b0\u1ee3c th\u1ecb tr\u01b0\u1eddng \u01b0a chu\u1ed9ng. So v\u1edbi gi\u00e1p x\u00e1c v\u1ecf c\u1ee9ng, s\u1ea3n ph\u1ea9m gi\u00e1p x\u00e1c l\u1ed9t v\u1ecf c\u00f3 gi\u00e1 tr\u1ecb kinh t\u1ebf cao h\u01a1n 1,5-2 l\u1ea7n.<br>Theo TS. Nguy\u1ec5n V\u0103n Nguy\u1ec7n, Ch\u1ee7 nhi\u1ec7m \u0111\u1ec1 t\u00e0i nghi\u00ean c\u1ee9u, ngu\u1ed3n th\u1ee9c \u0103n nu\u00f4i cua l\u1ed9t hi\u1ec7n nay ph\u1ea7n l\u1edbn l\u00e0 c\u00e1 t\u1ea1p v\u00e0 nhuy\u1ec5n th\u1ec3 nh\u1ecf. Khi ngu\u1ed3n th\u1ee9c \u0103n t\u1ef1 nhi\u00ean khan hi\u1ebfm, ng\u01b0\u1eddi nu\u00f4i d\u00f9ng th\u1ee9c \u0103n nu\u00f4i t\u00f4m \u0111\u1ec3 nu\u00f4i cua. Th\u1ee9c \u0103n n\u00e0y kh\u00f4ng ph\u00f9 h\u1ee3p v\u1ec1 d\u01b0\u1ee1ng ch\u1ea5t c\u0169ng nh\u01b0 t\u1eadp qu\u00e1n b\u1eaft m\u1ed3i c\u1ee7a cua. \u0110\u1ec3 k\u00edch th\u00edch cho cua l\u1ed9t v\u1ecf \u0111\u1ed3ng lo\u1ea1t, ng\u01b0\u1eddi nu\u00f4i th\u01b0\u1eddng c\u1eaft m\u1eaft, b\u1ebb ch\u00f3t ch\u00e2n b\u00f2, b\u1ebb ch\u00f3t c\u00e0ng v\u00e0 tr\u1ed9n ch\u1ea5t k\u00edch th\u00edch l\u1ed9t v\u1ecf (saponi, chitosan) v\u00e0o th\u1ee9c \u0103n cho cua. Tuy nhi\u00ean, t\u1ef7 l\u1ec7 th\u00e0nh c\u00f4ng kh\u00f4ng cao v\u00e0 c\u01a1 ch\u1ebf t\u00e1c d\u1ee5ng ch\u01b0a r\u00f5 r\u00e0ng. Hi\u1ec7n nay, tr\u00ean th\u1ecb tr\u01b0\u1eddng ch\u01b0a c\u00f3 th\u1ee9c \u0103n c\u00f4ng nghi\u1ec7p \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t chuy\u00ean d\u00f9ng cho nu\u00f4i cua l\u1ed9t.<\/p>\n\n\n\n<p><img decoding=\"async\" alt=\"Th\u1ee9c \u0103n ch\" src=\"http:\/\/khoahocphattrien.vn\/Images\/Uploaded\/Share\/2020\/12\/25\/c24Cua-lot--thuc-an1.gif\" width=\"800\">Th\u1ee9c \u0103n c\u00f4ng nghi\u1ec7p k\u00edch th\u00edch cua l\u1ed9t v\u1ecf do nh\u00f3m nghi\u00ean c\u1ee9u s\u1ea3n xu\u1ea5t<br>Sau khi ph\u00e2n t\u00edch, \u0111\u00e1nh gi\u00e1 ch\u1ea5t m\u1ed9t s\u1ed1 lo\u1ea1i nguy\u00ean li\u1ec7u d\u00f9ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t th\u1ee9c \u0103n cho cua nu\u00f4i l\u1ed9t th\u01b0\u01a1ng ph\u1ea9m, nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 x\u00e2y d\u1ef1ng c\u00f4ng th\u1ee9c th\u1ee9c \u0103n nu\u00f4i cua \u0111\u00e1p \u1ee9ng c\u00e1c nhu c\u1ea7u dinh d\u01b0\u1ee1ng giai \u0111o\u1ea1n tr\u01b0\u1edbc khi l\u1ed9t v\u1ecf v\u00e0 trong qu\u00e1 tr\u00ecnh l\u1ed9t v\u1ecf. Th\u1ee9c \u0103n n\u00e0y g\u1ed3m c\u00e1c nguy\u00ean li\u1ec7u nh\u01b0 b\u1ed9t c\u00e1, b\u1ed9t \u0111\u1eadu n\u00e0nh, b\u1ed9t m\u00ec, c\u00e1m g\u1ea1o, t\u1ea5m g\u1ea1o, ch\u1ea5t h\u1ea5p d\u1eabn, d\u1ea7u c\u00e1, vitamin, kho\u00e1ng ch\u1ea5t v\u00e0 b\u1ed5 sung Ecdysone (h\u00f3c m\u00f4n k\u00edch th\u00edch l\u1ed9t v\u1ecf) v\u1edbi n\u1ed3ng \u0111\u1ed9 t\u1eeb 5, 10 v\u00e0 15 mg\/kg th\u1ee9c \u0103n.<br><img decoding=\"async\" alt=\"Th\u1eed nghi\u1ec7m nu\u00f4i cua l\u1ed9t \u1edf C\u1ea7n Gi\u1edd, TPHCM\" src=\"http:\/\/khoahocphattrien.vn\/Images\/Uploaded\/Share\/2020\/12\/25\/db1Nuoi-cua--Can-Gio1.gif\" width=\"800\">Th\u1eed nghi\u1ec7m nu\u00f4i cua l\u1ed9t \u1edf C\u1ea7n Gi\u1edd, TPHCM. \u1ea2nh: NNC<\/p>\n\n\n\n<p>K\u1ebft qu\u1ea3 nu\u00f4i th\u1eed nghi\u1ec7m cua l\u1ed9t trong ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 trong ao \u0111\u1ea5t t\u1ea1i C\u1ea7n Gi\u1edd b\u1eb1ng th\u1ee9c \u0103n c\u00f4ng nghi\u1ec7p do nh\u00f3m s\u1ea3n xu\u1ea5t cho th\u1ea5y, hi\u1ec7u su\u1ea5t l\u1ed9t v\u1ecf l\u00ean \u0111\u1ebfn 87,5%, t\u1ef7 l\u1ec7 l\u1ed9t v\u1ecf \u0111\u1ed3ng lo\u1ea1t g\u1ea7n 43% sau 20 ng\u00e0y nu\u00f4i. Vi\u00ean th\u1ee9c \u0103n c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 3-5 mm, \u0111\u1ed9 b\u1ec1n trong n\u01b0\u1edbc tr\u00ean 2 gi\u1edd, \u0111\u00e1p \u1ee9ng nhu c\u1ea7u dinh d\u01b0\u1ee1ng, c\u00f3 m\u00f9i h\u1ea5p d\u1eabn, ph\u00f9 h\u1ee3p v\u1edbi th\u00f3i quen v\u00e0 t\u1eadp t\u00ednh \u0103n c\u1ee7a cua. Gi\u00e1 th\u00e0nh th\u1ee9c \u0103n v\u00e0o kho\u1ea3ng 35.000 \u0111\u1ed3ng\/kg, th\u1ea5p h\u01a1n 20% so v\u1edbi th\u1ee9c \u0103n c\u00e1 t\u1ea1p (45 \u2013 50.000 \u0111\u1ed3ng\/kg), cao h\u01a1n kho\u1ea3ng 5.000 \u0111\u1ed3ng\/kg so v\u1edbi th\u1ee9c \u0103n nu\u00f4i t\u00f4m (30.000 \u0111\u1ed3ng\/kg, 40% \u0111\u1ea1m).<\/p>\n\n\n\n<p>Khi nu\u00f4i th\u1eed nghi\u1ec7m cua l\u1ed9t b\u1eb1ng lo\u1ea1i th\u1ee9c \u0103n n\u00e0y cho l\u00e3i cao g\u1ea7n g\u1ea5p ba so v\u1edbi nu\u00f4i b\u1eb1ng c\u00e1 t\u1ea1p. Trong khi \u0111\u00f3, nu\u00f4i b\u1eb1ng th\u1ee9c \u0103n cho t\u00f4m th\u00ec b\u1ecb l\u1ed7 do hi\u1ec7u su\u1ea5t cua l\u1ed9t th\u1ea5p (25 \u2013 45%), th\u1eddi gian l\u1ed9t k\u00e9o d\u00e0i (25 ng\u00e0y) v\u00e0 kh\u00f4ng \u0111\u1ed3ng lo\u1ea1t.<br><img decoding=\"async\" alt=\"Cua l\u1ed9t v\u1ecf th\u01b0\u01a1ng ph\u1ea9m nu\u00f4i \" src=\"http:\/\/khoahocphattrien.vn\/Images\/Uploaded\/Share\/2020\/12\/25\/7dbNuoi-cua--Cua-lot1.gif\" width=\"800\">Cua l\u1ed9t v\u1ecf \u0111\u01b0\u1ee3c nu\u00f4i b\u1eb1ng th\u1ee9c \u0103n c\u00f4ng nghi\u1ec7p b\u1ed5 sungEcdysone. \u1ea2nh: NNC<\/p>\n\n\n\n<p>Th\u00e0nh c\u00f4ng c\u1ee7a \u0111\u1ec1 t\u00e0i nghi\u00ean c\u1ee9u gi\u00fap ng\u01b0\u1eddi nu\u00f4i cua c\u00f3 th\u1ec3 ch\u1ee7 \u0111\u1ed9ng ngu\u1ed3n th\u1ee9c \u0103n, kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o th\u1eddi ti\u1ebft, m\u00f9a v\u1ee5, v\u00e0 cho hi\u1ec7u qu\u1ea3 kinh t\u1ebf cao. Hi\u1ec7n nh\u00f3m nghi\u00ean c\u1ee9u s\u1eb5n s\u00e0ng chuy\u1ec3n giao quy tr\u00ecnh c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t \u1edf quy m\u00f4 c\u00f4ng nghi\u1ec7p. Nh\u00f3m c\u0169ng \u0111ang ti\u1ebfp t\u1ee5c nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng c\u00e1c ho\u1ea1t ch\u1ea5t phytoecdysteroids c\u00f3 t\u00e1c d\u1ee5ng k\u00edch th\u00edch l\u1ed9t x\u00e1c \u0111\u01b0\u1ee3c chi\u1ebft xu\u1ea5t t\u1eeb m\u1ed9t s\u1ed1 lo\u00e0i th\u1ea3o m\u1ed9c nh\u01b0 rau sam, d\u00e2u t\u1eb1m, b\u00ecnh linh, v\u1ea1n tu\u1ebf, d\u1ec1n \u0111\u1ecf trong s\u1ea3n xu\u1ea5t th\u1ee9c \u0103n c\u00f4ng nghi\u1ec7p nu\u00f4i cua, gh\u1eb9 l\u1ed9t.<\/p>\n\n\n\n<p><strong>Ki\u1ec1u Anh<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trung t\u00e2m C\u00f4ng ngh\u1ec7 th\u1ee9c \u0103n v\u00e0 sau thu ho\u1ea1ch th\u1ee7y s\u1ea3n thu\u1ed9c Vi\u1ec7n Nghi\u00ean c\u1ee9u nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n II, \u0111\u00e3 nghi\u00ean c\u1ee9u, s\u1ea3n xu\u1ea5t th\u00e0nh c\u00f4ng th\u1ee9c \u0103n c\u00f4ng nghi\u1ec7p k\u00edch th\u00edch cua l\u1ed9t x\u00e1c, v\u1edbi hi\u1ec7u su\u1ea5t l\u1ed9t v\u1ecf l\u00ean \u0111\u1ebfn 87,5% v\u00e0 t\u1ef7 l\u1ec7 l\u1ed9t v\u1ecf \u0111\u1ed3ng lo\u1ea1t \u0111\u1ea1t g\u1ea7n 43% [&hellip;]<\/p>\n","protected":false},"author":25,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-28156","post","type-post","status-publish","format-standard","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28156","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\/25"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=28156"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28156\/revisions"}],"predecessor-version":[{"id":28157,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28156\/revisions\/28157"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28156"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28156"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28156"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}