{"id":342,"date":"2018-08-07T00:36:11","date_gmt":"2018-08-06T17:36:11","guid":{"rendered":"https:\/\/bizhostvn.com\/w\/vcheck\/?p=342"},"modified":"2019-09-28T13:12:15","modified_gmt":"2019-09-28T06:12:15","slug":"san-xuat-giong-ngheu-ben-tre","status":"publish","type":"post","link":"https:\/\/aquamarine.com.vn\/vi\/san-xuat-giong-ngheu-ben-tre","title":{"rendered":"S\u1ea3n Xu\u1ea5t Gi\u1ed1ng Ngh\u00eau B\u1ebfn Tre"},"content":{"rendered":"

Nu\u00f4i v\u1ed7 ngh\u00eau b\u1ed1 m\u1eb9<\/span><\/p>\n

Ngh\u00eau b\u1ed1 m\u1eb9 \u0111\u01b0\u1ee3c thu ngay tr\u00ean b\u00e3i \u1edf B\u00ecnh \u0110\u1ea1i v\u00e0 B\u1ea1c Li\u00eau, c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng c\u00e1 th\u1ec3 l\u1edbn h\u01a1n 20gr. Mang v\u1ec1 v\u1ec7 sinh s\u1ea1ch s\u1ebd, \u0111o k\u00edch th\u01b0\u1edbc v\u00e0 c\u00e2n tr\u1ecdng l\u01b0\u1ee3ng. Ngh\u00eau \u0111\u01b0\u1ee3c nu\u00f4i trong h\u1ec7 th\u1ed1ng tu\u1ea7n ho\u00e0n v\u1edbi h\u1ec7 th\u1ed1ng l\u1ecdc c\u01a1 h\u1ecdc, sinh h\u1ecdc v\u00e0 b\u1ec3 nu\u00f4i th\u1ec3 t\u00edch m\u1ed7i b\u1ec3 100 l\u00edt. Trong qu\u00e1 tr\u00ecnh nu\u00f4i n\u01b0\u1edbc \u0111\u01b0\u1ee3c tu\u1ea7n ho\u00e0n li\u00ean t\u1ee5c v\u00e0 sau m\u1ed7i gi\u1edd n\u01b0\u1edbc trong b\u1ec3 nu\u00f4i \u0111\u01b0\u1ee3c tu\u1ea7n ho\u00e0n 100%.<\/p>\n

M\u1ed7i b\u1ec3 nu\u00f4i th\u1ea3 t\u1eeb 10 \u2013 50 con. H\u00e0ng ng\u00e0y thay t\u1eeb 5 \u2013 15% l\u01b0\u1ee3ng n\u01b0\u1edbc trong h\u1ec7 th\u1ed1ng, t\u00f9y theo ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc. Ngh\u00eau b\u1ed1 m\u1eb9 \u0111\u01b0\u1ee3c ki\u1ec3m tra v\u00e0 v\u1ec7 sinh m\u1ed7i ng\u00e0y. H\u1ec7 th\u1ed1ng s\u1ee5c kh\u00ed ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c trong su\u1ed1t th\u1eddi gian nu\u00f4i.<\/p>\n

Th\u1ee9c \u0103n ch\u1ee7 y\u1ebfu l\u00e0 t\u1ea3o, khi cho \u0103n ng\u1eebng tu\u1ea7n ho\u00e0n n\u01b0\u1edbc trong 1 \u2013 2 gi\u1edd. Kh\u1ea9u ph\u1ea7n th\u1ee9c \u0103n cho v\u00e0o b\u1ec3 nu\u00f4i v\u1edbi m\u1eadt \u0111\u1ed9 60 x 103tb\/m, ng\u00e0y cho \u0103n 2 l\u1ea7n. Trong qu\u00e1 tr\u00ecnh nu\u00f4i theo d\u00f5i c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng nh\u01b0 nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc, pH, \u0111\u1ed9 m\u1eb7n, \u00f4xy h\u00f2a tan.<\/p>\n

K\u00edch th\u00edch sinh s\u1ea3n<\/span><\/p>\n

Ng\u00e2m h\u00f3a ch\u1ea5t:<\/span>\u00a0Ng\u00e2m to\u00e0n b\u1ed9 ngh\u00eau b\u1ed1 m\u1eb9 trong dung d\u1ecbch NH4OH 1% trong 20 \u2013 30 ph\u00fat, sau \u0111\u00f3 cho s\u1ed1c nhi\u1ec7t b\u1eb1ng c\u00e1ch ph\u01a1i tr\u1ef1c ti\u1ebfp d\u01b0\u1edbi \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi trong 15 \u2013 20 ph\u00fat.<\/p>\n

S\u1ed1c m\u1ea1nh<\/span>: H\u1ea1 nhi\u1ec7t \u0111\u1ed9 to\u00e0n b\u1ed9 ngh\u00eau b\u1ed1 m\u1eb9 \u1edf 6 \u2013 80C kho\u1ea3ng 5 \u2013 6 gi\u1edd v\u00e0 k\u1ebf ti\u1ebfp cho s\u1ed1c nhi\u1ec7t d\u01b0\u1edbi \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi trong 15 \u201320 ph\u00fat.<\/p>\n

U\u01a1ng nu\u00f4i \u1ea5u tr\u00f9ng<\/span><\/p>\n

\u1ea4u tr\u00f9ng ph\u00f9 du:<\/span>\u00a0\u0110\u01b0\u1ee3c nu\u00f4i trong b\u1ec3 c\u00f3 th\u1ec3 t\u00edch t\u1eeb 70 \u2013 400 l\u00edt, m\u1eadt \u0111\u1ed9 nu\u00f4i t\u1eeb 3 \u2013 25 \u1ea5u tr\u00f9ng\/m. Th\u1ee9c \u0103n ch\u00ednh l\u00e0 c\u00e1c lo\u1ea1i t\u1ea3o, cho v\u00e0o b\u1ec3 v\u1edbi m\u1eadt \u0111\u1ed9 3000 \u2013 15000tb\/m, cho \u0103n 2 l\u1ea7n\/ng\u00e0y. S\u1ee5c kh\u00ed li\u00ean t\u1ee5c, thay n\u01b0\u1edbc 60 \u2013 70% m\u1ed7i ng\u00e0y.<\/p>\n

\u1ea4u tr\u00f9ng \u0111\u00e1y:<\/span>\u00a0Ti\u1ebfp t\u1ee5c nu\u00f4i trong b\u1ec3 c\u00f3 th\u1ec3 t\u00edch 70 \u2013 400 l\u00edt, cho \u0103n 2 l\u1ea7n\/ng\u00e0y. N\u1ec1n \u0111\u00e1y: C\u00e1t 0,5\u20131cm. Thay n\u01b0\u1edbc 50\u201370%\/ng\u00e0y ho\u1eb7c ch\u1ebf \u0111\u1ed9 tu\u1ea7n ho\u00e0n.<\/p>\n

Gi\u1ed1ng nh\u1ecf:<\/span>\u00a0Ti\u1ebfp t\u1ee5c nu\u00f4i trong b\u1ec3 c\u00f3 th\u1ec3 t\u00edch 70 \u2013 400 l\u00edt. Th\u1ee9c \u0103n ch\u1ee7 y\u1ebfu l\u00e0 t\u1ea3o nh\u01b0 t\u1ea3o \u0111\u01a1n b\u00e0o, t\u1ea3o khu\u00ea… m\u1eadt \u0111\u1ed9 cho \u0103n 25000tb\/m, 2 l\u1ea7n\/ng\u00e0y. N\u1ec1n \u0111\u00e1y c\u00e1t t\u1eeb 1 \u2013 2cm. Thay n\u01b0\u1edbc 30 \u2013 50%\/ng\u00e0y ho\u1eb7c c\u00f3 ch\u1ebf \u0111\u1ed9 tu\u1ea7n ho\u00e0n.<\/p>\n

* Y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng trong c\u00e1c b\u1ec3 \u01b0\u01a1ng \u1ea5u tr\u00f9ng<\/span><\/p>\n

Nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc 26,5 \u2013 300C.<\/p>\n

\u0110\u1ed9 m\u1eb7n 18 \u2013 22 ph\u1ea7n ngh\u00ecn; pH 8\u20138,5; DO 6 \u2013 8mg\/l; N2\u2013N= 0,2 \u2013 0,25mg\/l.<\/p>\n

Trong c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng tr\u00ean, nhi\u1ec7t \u0111\u1ed9 l\u00e0 y\u1ebfu t\u1ed1 kh\u00f3 kh\u1ed1ng ch\u1ebf trong su\u1ed1t th\u1eddi k\u1ef3 \u01b0\u01a1ng nu\u00f4i \u1ea5u tr\u00f9ng v\u00e0 y\u1ebfu t\u1ed1 n\u00e0y c\u00f3 \u1ea3nh h\u01b0\u1edfng r\u1ea5t l\u1edbn \u0111\u1ebfn qu\u00e1 tr\u00ecnh SX gi\u1ed1ng.<\/p>\n

Trong to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh \u01b0\u01a1ng nu\u00f4i ngh\u00eau th\u00ec t\u1ef7 l\u1ec7 s\u1ed1ng t\u1eeb giai \u0111o\u1ea1n th\u1ee5 tinh \u0111\u1ebfn giai \u0111o\u1ea1n s\u1ed1ng \u0111\u00e1y r\u1ea5t th\u1ea5p, dao \u0111\u1ed9ng t\u1eeb 8 \u2013 25%. \u0110\u00e2y l\u00e0 giai \u0111o\u1ea1n quy\u1ebft \u0111\u1ecbnh \u0111\u1ebfn s\u1ef1 th\u00e0nh c\u00f4ng hay th\u1ea5t b\u1ea1i cho qu\u00e1 tr\u00ecnh SX gi\u1ed1ng nh\u00e2n t\u1ea1o ngh\u00eau.<\/p>\n

Ch\u1ebf \u0111\u1ed9 thay n\u01b0\u1edbc trong \u01b0\u01a1ng nu\u00f4i s\u1ebd g\u00f3p ph\u1ea7n n\u00e2ng cao hay gi\u1ea3m th\u1ea5p t\u1ef7 l\u1ec7 s\u1ed1ng c\u1ee7a ngh\u00eau trong to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh SX gi\u1ed1ng. Do \u0111\u00f3 c\u1ea7n thay n\u01b0\u1edbc 60 \u2013 70%\/ng\u00e0y \u1edf giai \u0111o\u1ea1n \u1ea5u tr\u00f9ng v\u00e0 sau \u0111\u00f3 c\u00f3 th\u1ec3 gi\u1ea3m 30 \u2013 50% \u1edf giai \u0111o\u1ea1n gi\u1ed1ng l\u1edbn sau 2 th\u00e1ng.<\/p>\n

L\u01b0u \u00fd:<\/span>\u00a0<\/span>Ngh\u00eau B\u1ebfn Tre c\u00f3 th\u1ec3 sinh s\u1ea3n v\u00e0 \u01b0\u01a1ng nu\u00f4i trong \u0111i\u1ec1u ki\u1ec7n nh\u00e2n t\u1ea1o. Ngh\u00eau th\u00e0nh th\u1ee5c c\u00f3 th\u1ec3 k\u00edch th\u00edch sinh s\u1ea3n b\u1eb1ng dung d\u1ecbch NH4OH, k\u1ebft h\u1ee3p v\u1edbi s\u1ed1c nhi\u1ec7t… K\u1ebft qu\u1ea3 k\u00edch th\u00edch sinh s\u1ea3n s\u1ed1 l\u01b0\u1ee3ng con c\u00e1i th\u00e0nh th\u1ee5c tham gia sinh s\u1ea3n \u0111\u1ea1t t\u1eeb 20 \u2013 40%. S\u1ed1 l\u01b0\u1ee3ng tr\u1ee9ng thu \u0111\u01b0\u1ee3c m\u1ed7i con c\u00e1i trong m\u1ed9t l\u1ea7n \u0111\u1ebb dao \u0111\u1ed9ng t\u1eeb 1,7 \u2013 8,025 tri\u1ec7u\/1 c\u00e1 th\u1ec3 c\u00e1i, b\u00ecnh qu\u00e2n 5,08 tri\u1ec7u tr\u1ee9ng\/1 c\u00e1 th\u1ec3 c\u00e1i, v\u1edbi tr\u1ecdng l\u01b0\u1ee3ng con c\u00e1i t\u1eeb 18 \u2013 49g. S\u1ee9c sinh s\u1ea3n hi\u1ec7u qu\u1ea3 \u01b0\u1edbc t\u00ednh t\u1eeb \u1ea5u tr\u00f9ng ch\u1eef D m\u1ea1nh kh\u1ecfe \u0111\u01b0a v\u00e0o \u01b0\u01a1ng nu\u00f4i dao \u0111\u1ed9ng t\u1eeb 70,16 \u2013 74,39% \u0111\u1ed1i v\u1edbi sinh s\u1ea3n t\u1ef1 nhi\u00ean v\u00e0 dao \u0111\u1ed9ng trong gi\u1edbi h\u1ea1n t\u1eeb 41,9 \u2013 50,7% \u0111\u1ed1i v\u1edbi k\u00edch th\u00edch b\u1eb1ng h\u00f3a ch\u1ea5t. Trong v\u00f2ng \u0111\u1eddi, \u1ea5u tr\u00f9ng ngh\u00eau tr\u1ea3i qua giai \u0111o\u1ea1n ph\u00f9 du t\u1eeb 9\u201311 ng\u00e0y, sau \u0111\u00f3 m\u1edbi chuy\u1ec3n sang giai \u0111o\u1ea1n s\u1ed1ng \u0111\u00e1y v\u1edbi t\u1ef7 l\u1ec7 s\u1ed1ng giai \u0111o\u1ea1n n\u00e0y r\u1ea5t th\u1ea5p dao \u0111\u1ed9ng t\u1eeb 12 \u2013 32%. Gi\u1ed1ng nh\u1ecf 35 ng\u00e0y tu\u1ed5i c\u00f3 k\u00edch th\u01b0\u1edbc 1,165mm v\u00e0 gi\u1ed1ng 100 ng\u00e0y tu\u1ed5i c\u00f3 k\u00edch th\u01b0\u1edbc kho\u1ea3ng 4mm.<\/p>\n","protected":false},"excerpt":{"rendered":"

Nu\u00f4i v\u1ed7 ngh\u00eau b\u1ed1 m\u1eb9 Ngh\u00eau b\u1ed1 m\u1eb9 \u0111\u01b0\u1ee3c thu ngay tr\u00ean b\u00e3i \u1edf B\u00ecnh \u0110\u1ea1i v\u00e0 B\u1ea1c Li\u00eau, c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng c\u00e1 th\u1ec3 l\u1edbn h\u01a1n 20gr. Mang v\u1ec1 v\u1ec7 sinh s\u1ea1ch s\u1ebd, \u0111o k\u00edch th\u01b0\u1edbc v\u00e0 c\u00e2n tr\u1ecdng l\u01b0\u1ee3ng. Ngh\u00eau \u0111\u01b0\u1ee3c nu\u00f4i trong h\u1ec7 th\u1ed1ng tu\u1ea7n ho\u00e0n v\u1edbi h\u1ec7 th\u1ed1ng l\u1ecdc c\u01a1 h\u1ecdc, sinh …<\/p>\n","protected":false},"author":1,"featured_media":593,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[3],"class_list":["post-342","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chua-duoc-phan-loai","tag-tem-chong-gia"],"_links":{"self":[{"href":"https:\/\/aquamarine.com.vn\/vi\/wp-json\/wp\/v2\/posts\/342","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aquamarine.com.vn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aquamarine.com.vn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aquamarine.com.vn\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aquamarine.com.vn\/vi\/wp-json\/wp\/v2\/comments?post=342"}],"version-history":[{"count":1,"href":"https:\/\/aquamarine.com.vn\/vi\/wp-json\/wp\/v2\/posts\/342\/revisions"}],"predecessor-version":[{"id":594,"href":"https:\/\/aquamarine.com.vn\/vi\/wp-json\/wp\/v2\/posts\/342\/revisions\/594"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aquamarine.com.vn\/vi\/wp-json\/wp\/v2\/media\/593"}],"wp:attachment":[{"href":"https:\/\/aquamarine.com.vn\/vi\/wp-json\/wp\/v2\/media?parent=342"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aquamarine.com.vn\/vi\/wp-json\/wp\/v2\/categories?post=342"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aquamarine.com.vn\/vi\/wp-json\/wp\/v2\/tags?post=342"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}