{"id":8510,"date":"2019-08-28T16:57:50","date_gmt":"2019-08-28T09:57:50","guid":{"rendered":"https:\/\/biotekco.vn\/?p=8510"},"modified":"2019-08-28T16:57:51","modified_gmt":"2019-08-28T09:57:51","slug":"cac-giai-doan-khac-nhau-cua-qua-trinh-lot-xac-tren-tom","status":"publish","type":"post","link":"https:\/\/hhbio.vn\/?p=8510","title":{"rendered":"C\u00e1c giai \u0111o\u1ea1n kh\u00e1c nhau c\u1ee7a qu\u00e1 tr\u00ecnh l\u1ed9t x\u00e1c tr\u00ean t\u00f4m"},"content":{"rendered":"\n<p>Qu\u00e1 tr\u00ecnh l\u1ed9t x\u00e1c c\u1ee7a c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt gi\u00e1p x\u00e1c l\u00e0 m\u1ed9t trong nh\u1eefng \u0111\u1eb7c tr\u01b0ng sinh l\u00fd c\u1ee7a ch\u00fang. \u1ede t\u00f4m, l\u1edbp v\u1ecf kitin b\u00ean ngo\u00e0i v\u1eeba \u0111\u00f3ng vai tr\u00f2 gi\u00fap b\u1ea3o v\u1ec7 c\u01a1 th\u1ec3 v\u1eeba l\u00e0 b\u1ed9 x\u01b0\u01a1ng ngo\u00e0i cho s\u1ef1 \u0111\u00ednh c\u01a1, nh\u01b0ng ch\u00ednh n\u00f3 c\u0169ng l\u00e0 t\u01b0\u1eddng r\u00e0o ng\u0103n c\u1ea3n s\u1ef1 t\u0103ng tr\u01b0\u1edfng. Do \u0111\u00f3, \u0111\u1ec3 t\u0103ng tr\u01b0\u1edfng, ch\u00fang c\u1ea7n ph\u1ea3i l\u1ed9t b\u1ecf \u0111i l\u1edbp v\u1ecf c\u0169, gia  t\u0103ng k\u00edch th\u01b0\u1edbc c\u01a1 th\u1ec3 ngay sau \u0111\u00f3 v\u00e0 h\u1ed3i ph\u1ee5c qua m\u1ed7i l\u1ea7n l\u1ed9t x\u00e1c b\u1eb1ng c\u00e1ch t\u00edch l\u0169y c\u00e1c ch\u1ea5t d\u1ef1 tr\u1eef trao \u0111\u1ed5i ch\u1ea5t c\u0169ng nh\u01b0 s\u1ef1 chu\u1ea9n b\u1ecb cho l\u1ea7n l\u1ed9t x\u00e1c k\u1ebf ti\u1ebfp.<br> Ph\u1ea7n v\u1ecf c\u1ee7a t\u00f4m c\u0169ng bao g\u1ed3m ba l\u1edbp: m\u1ed9t l\u1edbp bi\u1ec3u b\u00ec ngo\u00e0i c\u00f9ng m\u1ecfng (epicuticle), m\u1ed9t l\u1edbp bi\u1ec3u b\u00ec trung gian (exocuticle) d\u00e0y h\u01a1n v\u00e0 m\u1ed9t l\u1edbp bi\u1ec3u b\u00ec trong c\u00f9ng (endocuticle) n\u1eb1m tr\u00ean l\u1edbp t\u1ebf b\u00e0o bi\u1ec3u m\u00f4 d\u01b0\u1edbi v\u1ecf (epidermis)  v\u00e0 c\u00e1c m\u00f4 li\u00ean k\u1ebft. Qu\u00e1 tr\u00ecnh l\u1ed9t x\u00e1c \u1edf t\u00f4m tr\u1ea3i qua nhi\u1ec1u giai \u0111o\u1ea1n, tuy nhi\u00ean c\u00f3 4 giai \u0111o\u1ea1n ch\u00ednh: H\u1eadu l\u1ed9t x\u00e1c (Postmolt), Gi\u1eefa giai \u0111o\u1ea1n l\u1ed9t x\u00e1c (Intermolt), Ti\u1ec1n l\u1ed9t x\u00e1c (Premolt) v\u00e0 giai \u0111o\u1ea1n l\u1ed9t x\u00e1c (Ecdysis).<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"960\" height=\"720\" src=\"https:\/\/hhbio.vn\/wp-content\/uploads\/2019\/01\/26239234_1287295364705417_2446764944983360_n.jpg\" alt=\"\" class=\"wp-image-7794\" srcset=\"https:\/\/hhbio.vn\/wp-content\/uploads\/2019\/01\/26239234_1287295364705417_2446764944983360_n.jpg 960w, https:\/\/hhbio.vn\/wp-content\/uploads\/2019\/01\/26239234_1287295364705417_2446764944983360_n-300x225.jpg 300w, https:\/\/hhbio.vn\/wp-content\/uploads\/2019\/01\/26239234_1287295364705417_2446764944983360_n-768x576.jpg 768w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/><\/figure>\n\n\n\n<p><br> <strong>H\u1eadu l\u1ed9t x\u00e1c \u2013 Postmolt:<\/strong><br> Giai \u0111o\u1ea1n Postmolt \u2013 h\u1eadu l\u1ed9t x\u00e1c l\u00e0 giai \u0111o\u1ea1n ngay sau khi t\u00f4m l\u1ed9t b\u1ecf \u0111i l\u1edbp v\u1ecf c\u0169. \u0110\u00f3 l\u00e0 th\u1eddi k\u1ef3 l\u1edbp v\u1ecf ngo\u00e0i d\u00e3n ra b\u1edfi s\u1ef1 gia t\u0103ng th\u1ec3 t\u00edch m\u00e1u do n\u01b0\u1edbc \u0111\u01b0\u1ee3c h\u1ea5p thu v\u00e0o trong c\u01a1 th\u1ec3 t\u00f4m. D\u00f2ng n\u01b0\u1edbc \u0111\u01b0\u1ee3c h\u1ea5p thu tr\u00ean l\u1edbp bi\u1ec3u b\u00ec, mang v\u00e0 ru\u1ed9t. Sau v\u00e0i gi\u1edd ho\u1eb7c v\u00e0i ng\u00e0y (t\u00f9y thu\u1ed9c v\u00e0o t\u1ed5ng \u0111\u1ed9 d\u00e0i c\u1ee7a chu k\u1ef3 l\u1ed9t x\u00e1c, l\u1edbp v\u1ecf ngo\u00e0i m\u1edbi c\u1ee9ng l\u1ea1i v\u00e0 gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 c\u1ee9ng c\u1ee7a n\u00f3.<br> Ngay sau khi l\u1ed9t x\u00e1c, c\u00e1c l\u1edbp hi\u1ec7n di\u1ec7n duy nh\u1ea5t l\u00e0 l\u1edbp bi\u1ec3u b\u00ec ngo\u00e0i c\u00f9ng (epicuticle) v\u00e0 l\u1edbp bi\u1ec3u b\u00ec trung gian (exocuticle). Trong v\u00f2ng v\u00e0i gi\u1edd, l\u1edbp t\u1ebf b\u00e0o bi\u1ec3u m\u00f4 d\u01b0\u1edbi v\u1ecf b\u1eaft \u0111\u1ea7u sinh ti\u1ebft l\u1edbp bi\u1ec3u b\u00ec trong c\u00f9ng (endocuticle). H\u1ea7u h\u1ebft c\u00e1c l\u1edbp bi\u1ec3u b\u00ec \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb c\u00e1c v\u1eadt ch\u1ea5t \u0111\u01b0\u1ee3c d\u1ef1 tr\u1eef trong l\u1edbp t\u1ebf b\u00e0o bi\u1ec3u m\u00f4 d\u01b0\u1edbi v\u1ecf, v\u00ec vi\u1ec7c cho \u0103n kh\u00f4ng b\u1eaft \u0111\u1ea7u cho \u0111\u1ebfn khi t\u00f4m b\u01b0\u1edbc v\u00e0o gi\u1eefa giai \u0111o\u1ea1n l\u1ed9t x\u00e1c. Qu\u00e1 tr\u00ecnh sinh ti\u1ebft n\u00e0y v\u1eabn ti\u1ebfp t\u1ee5c cho \u0111\u1ebfn khi khi ba l\u1edbp \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh \u0111\u1ea7y \u0111\u1ee7.<br><strong> Gi\u1eefa giai \u0111o\u1ea1n l\u1ed9t x\u00e1c &#8211; Intermolt:<\/strong><br> Trong su\u1ed1t giai \u0111o\u1ea1n gi\u1eefa c\u1ee7a qu\u00e1 tr\u00ecnh l\u1ed9t x\u00e1c, l\u1edbp v\u1ecf ngo\u00e0i tr\u1edf n\u00ean kh\u00f3 kh\u0103n h\u01a1n nhi\u1ec1u trong qu\u00e1 tr\u00ecnh l\u1eafng \u0111\u1ecdng kho\u00e1ng ch\u1ea5t v\u00e0 protein. L\u1edbp v\u1ecf ngo\u00e0i c\u1ee7a t\u00f4m t\u01b0\u01a1ng \u0111\u1ed1i m\u1ecfng v\u00e0 m\u1ec1m so v\u1edbi cua v\u00e0 t\u00f4m h\u00f9m. K\u00edch th\u01b0\u1edbc c\u0169ng nh\u01b0 kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a c\u01a1 th\u1ec3 t\u00f4m t\u0103ng 3-4% trong gi\u1eefa giai \u0111o\u1ea1n l\u1ed9t x\u00e1c. S\u1ef1 gia t\u0103ng n\u00e0y c\u00f3 th\u1ec3 l\u00e0 do s\u1ef1 m\u1edf r\u1ed9ng c\u1ee7a c\u00e1c \u0111o\u1ea1n k\u1ebft n\u1ed1i m\u1ecfng xen k\u1ebd c\u1ee7a b\u1ee5ng t\u00f4m.<br><strong> Giai \u0111o\u1ea1n ti\u1ec1n l\u1ed9t x\u00e1c &#8211; Premolt (proecdysis):<\/strong><br> Giai \u0111o\u1ea1n Premolt (proecdysis) \u2013 ti\u1ec1n l\u1ed9t x\u00e1c x\u1ea3y ra ngay tr\u01b0\u1edbc khi t\u00f4m l\u1ed9t b\u1ecf \u0111i l\u1edbp v\u1ecf ngo\u00e0i c\u0169 v\u00e0 \u0111\u01b0\u1ee3c \u0111\u1eb7c tr\u01b0ng b\u1edfi s\u1ef1 t\u00e1ch r\u1eddi c\u1ee7a l\u1edbp v\u1ecf c\u0169 kh\u1ecfi l\u1edbp bi\u1ec3u b\u00ec b\u00ean d\u01b0\u1edbi. L\u1edbp v\u1ecf ngo\u00e0i c\u0169 \u0111\u01b0\u1ee3c t\u00e1i h\u1ea5p thu m\u1ed9t ph\u1ea7n v\u00e0 n\u0103ng l\u01b0\u1ee3ng d\u1ef1 tr\u1eef \u0111\u01b0\u1ee3c huy \u0111\u1ed9ng t\u1eeb tuy\u1ebfn ru\u1ed9t gi\u1eefa. Giai \u0111o\u1ea1n ti\u1ec1n l\u1ed9t x\u00e1c b\u1eaft \u0111\u1ea7u v\u1edbi s\u1ef1 gia t\u0103ng n\u1ed3ng \u0111\u1ed9 hormone k\u00edch th\u00edch l\u1ed9t x\u00e1c trong m\u00e1u.<br> D\u1ea5u hi\u1ec7u \u0111\u1ea7u ti\u00ean cho th\u1ea5y t\u00f4m \u0111ang ti\u1ebfn v\u00e0o qu\u00e1 tr\u00ecnh ti\u1ec1n l\u1ed9t x\u00e1c l\u00e0 s\u1ef1 t\u00e1ch ra c\u1ee7a l\u1edbp t\u1ebf b\u00e0o bi\u1ec3u m\u00f4 d\u01b0\u1edbi v\u1ecf kh\u1ecfi l\u1edbp bi\u1ec3u b\u00ec c\u0169 (apolysis). Sau \u0111\u00f3 l\u1edbp t\u1ebf b\u00e0o bi\u1ec3u m\u00f4 d\u01b0\u1edbi  v\u1ecf b\u1eaft \u0111\u1ea7u ph\u00ec \u0111\u1ea1i v\u00e0 c\u00e1c t\u1ebf b\u00e0o l\u00e0m ch\u1ee9c n\u0103ng d\u1ef1 tr\u1eef t\u00edch l\u0169y trong \u0111\u00f3. Khi t\u00f4m ti\u1ebfn h\u00e0nh qua giai \u0111o\u1ea1n n\u00e0y, l\u1edbp bi\u1ec3u b\u00ec b\u1eaft \u0111\u1ea7u ti\u1ebft ra l\u1edbp bi\u1ec3u b\u00ec trung gian v\u00e0 l\u1edbp bi\u1ec3u b\u00ec ngo\u00e0i c\u00f9ng m\u1edbi.<br> Cho \u0103n b\u1eaft \u0111\u1ea7u gi\u1ea3m v\u00e0 \u0111\u00e3 ho\u00e0n to\u00e0n ch\u1ea5m d\u1ee9t sau khi k\u1ebft th\u00fac qu\u00e1 tr\u00ecnh. Do \u0111\u00f3, qu\u00e1 tr\u00ecnh d\u1ef1 tr\u1eef ph\u1ea3i c\u00f3 s\u1eb5n \u0111\u1ec3 t\u1ed5ng h\u1ee3p l\u1edbp bi\u1ec3u b\u00ec v\u00e0 trong giai \u0111o\u1ea1n ng\u1eebng cho \u0103n. Nguy\u00ean li\u1ec7u \u0111\u1ec3 t\u1ed5ng h\u1ee3p l\u1edbp bi\u1ec3u b\u00ec c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb hai ngu\u1ed3n: d\u1ef1 tr\u1eef t\u00edch l\u0169y do cho \u0103n v\u00e0 t\u00e1i h\u1ea5p thu t\u1eeb l\u1edbp bi\u1ec3u b\u00ec c\u0169.<br> <strong>Giai \u0111o\u1ea1n l\u1ed9t x\u00e1c \u2013 Ecdysis:<\/strong><br> Qu\u00e1 tr\u00ecnh l\u1ed9t x\u00e1c ch\u1ec9 k\u00e9o d\u00e0i m\u1ed9t v\u00e0i ph\u00fat. N\u00f3 b\u1eaft \u0111\u1ea7u v\u1edbi vi\u1ec7c m\u1edf l\u1edbp v\u1ecf ngo\u00e0i c\u0169 \u1edf ng\u00e3 ba c\u1ee7a gi\u00e1p \u0111\u1ea7u ng\u1ef1c v\u00e0 b\u1ee5ng v\u00e0 \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh khi con v\u1eadt tho\u00e1t kh\u1ecfi l\u1edbp v\u1ecf c\u0169 \u0111\u00f3.<br> C\u00e1c \u0111\u1ed9ng v\u1eadt gi\u00e1p x\u00e1c kh\u00e1c h\u1ea5p th\u1ee5 ph\u1ea7n l\u1edbn n\u01b0\u1edbc v\u00e0o c\u01a1 th\u1ec3 b\u1eb1ng c\u00e1ch u\u1ed1ng, nh\u01b0ng qu\u00e1 tr\u00ecnh n\u00e0y ch\u01b0a \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u cho H\u1ecd t\u00f4m He. C\u00f3 l\u1ebd c\u00f3 m\u1ed9t s\u1ed1 s\u1ef1 h\u1ea5p thu trong cu\u1ed1i giai \u0111o\u1ea1n ti\u1ec1n l\u1ed9t x\u00e1c, nh\u01b0ng c\u00f3 v\u1ebb nh\u01b0 s\u1ef1 h\u1ea5p thu n\u01b0\u1edbc ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1edbi h\u1ea1n \u1edf m\u1ed9t v\u00e0i gi\u1edd, v\u00ec ph\u1ea7n \u0111\u1ea7u ng\u1ef1c ch\u1ec9 ph\u1ed3ng l\u00ean ngay l\u1eadp t\u1ee9c tr\u01b0\u1edbc khi b\u1ecb l\u1ed9t v\u00e0 l\u1edbp bi\u1ec3u b\u00ec c\u1ee9ng l\u1ea1i trong v\u00e0i gi\u1edd sau \u0111\u00f3.<br> K\u1ec3 t\u1eeb khi n\u01b0\u1edbc h\u1ea5p thu \u0111\u1ec3 chu\u1ea9n b\u1ecb cho qu\u00e1 tr\u00ecnh l\u1ed9t x\u00e1c cho \u0111\u1ebfn l\u1ea7n l\u1ed9t x\u00e1c ti\u1ebfp theo, \u0111\u00e2y l\u00e0 qu\u00e1 tr\u00ecnh sinh l\u00fd \u0111\u01a1n \u0111\u1ed9c quan tr\u1ecdng nh\u1ea5t trong chu tr\u00ecnh s\u1ed1ng c\u1ee7a t\u00f4m. L\u00fac n\u00e0y t\u00f4m tr\u1ea3i qua m\u1ed9t thay \u0111\u1ed5i v\u1ec1 ch\u1ea5t c\u1ee7a s\u1ef1 gi\u00e3n n\u1edf v\u00e0 nh\u1eefng chuy\u1ec3n \u0111\u1ed9ng v\u1ec1 ph\u00eda tr\u01b0\u1edbc khi n\u00f3 n\u1ed7 l\u1ef1c \u0111\u1ec3 t\u1ef1 tho\u00e1t. Cu\u1ed1i c\u00f9ng sau khi ch\u1ecdn m\u1ed9t v\u00f9ng y\u00ean t\u0129nh v\u00e0 ri\u00eang bi\u1ec7t, ch\u00fang u\u1ed1n cong ph\u1ea7n b\u1ee5ng v\u00e0 nh\u00fa ra xuy\u00ean qua m\u00e0ng gian \u0111\u1ed1t ph\u00e2n chia ng\u1ef1c v\u00e0 b\u1ee5ng.<br> S\u1ef1 l\u1ed9t x\u00e1c m\u1eb7c d\u00f9 ch\u1ec9 chi\u1ebfm m\u1ed9t t\u1ec9 l\u1ec7 ng\u1eafn c\u1ee7a to\u00e0n th\u1ec3 chu k\u1ef3 s\u1ed1ng, nh\u01b0ng l\u00e0 th\u1eddi k\u1ef3 c\u00f3 m\u1ed9t s\u1ed1 nguy hi\u1ec3m v\u00e0 t\u1ef7 l\u1ec7 ch\u1ebft cao, b\u1edfi c\u00e1c nguy\u00ean nh\u00e2n c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn nh\u01b0: nguy hi\u1ec3m ngay ch\u00ednh qu\u00e1 tr\u00ecnh l\u1ed9t x\u00e1c, s\u1ef1 thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 t\u1ec9 l\u1ec7 c\u00e1c ion v\u00e0 n\u1ed3ng \u0111\u1ed9 ion t\u1ed5ng s\u1ed1 trong d\u1ecbch c\u01a1 th\u1ec3, s\u1ef1 pha lo\u00e3ng d\u1ecbch c\u01a1 th\u1ec3 do s\u1ef1 h\u1ea5p thu n\u01b0\u1edbc v\u00e0o trong c\u00e1c t\u1ebf b\u00e0o, s\u1ef1 thay \u0111\u1ed5i v\u1ec1 t\u00ednh th\u1ea5m c\u1ee7a b\u1ec1 m\u1eb7t c\u01a1 th\u1ec3, bao g\u1ed3m c\u1ea3 nguy c\u01a1 \u0111\u1ebfn t\u1eeb \u0111\u1ecbch h\u1ea1i th\u1eadm ch\u00ed l\u00e0 t\u1eeb \u0111\u1ed3ng lo\u1ea1i cho t\u1edbi khi l\u1edbp v\u1ecf m\u1edbi \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh v\u00e0 \u0111\u1ee7 c\u1ee9ng \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u01a1 th\u1ec3, t\u1ef1 v\u1ec7 ho\u1eb7c ch\u1ea1y tr\u1ed1n. <br> Ch\u00ednh v\u00ec v\u1eady, qu\u00e1 tr\u00ecnh l\u1ed9t x\u00e1c l\u00e0 th\u1eddi \u0111i\u1ec3m t\u00f4m r\u1ea5t d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng v\u00e0 stress, m\u1ed9t s\u1ed1 b\u1ec7nh c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng d\u1ec5 x\u1ea3y ta t\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y do h\u00e0ng r\u00e0o v\u1eadt l\u00fd \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh b\u1edfi l\u1edbp bi\u1ec3u b\u00ec ch\u01b0a \u0111\u1ea7y \u0111\u1ee7 ch\u1ee9c n\u0103ng, c\u01a1 th\u1ec3 t\u00f4m c\u1ea7n huy \u0111\u1ed9ng ngu\u1ed3n d\u1ef1 tr\u1eef c\u01a1 th\u1ec3 \u0111\u1ec3 l\u00e0m c\u1ee9ng v\u00e0 kho\u00e1ng h\u00f3a l\u1edbp bi\u1ec3u b\u00ec. Do \u0111\u00f3, b\u00e0 con nu\u00f4i t\u00f4m c\u1ea7n ch\u00fa \u00fd m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Ki\u1ec3m tra v\u00e0 theo d\u00f5i th\u01b0\u1eddng xuy\u00ean trong su\u1ed1t giai \u0111o\u1ea1n l\u1ed9t x\u00e1c c\u1ee7a t\u00f4m<\/li><li>Ghi ch\u00e9p l\u1ea1i c\u00e1c \u0111\u1ee3t l\u1ed9t x\u00e1c c\u1ee7a t\u00f4m, \u0111\u1ec3 c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n t\u1ed1t h\u01a1n cho \u0111\u1ee3t l\u1ed9t x\u00e1c k\u1ebf ti\u1ebfp<\/li><li>C\u00e2n \u0111\u1ed1i l\u01b0\u1ee3ng th\u1ee9c \u0103n cho t\u00f4m \u0103n trong su\u1ed1t qu\u00e1 tr\u00ecnh l\u1ed9t x\u00e1c.<\/li><li>\u0110\u1ea3m b\u1ea3o cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 c\u00e1c kho\u00e1ng ch\u1ea5t, \u0111\u1eb7c bi\u1ec7t l\u00e0 canxi v\u00e0 phospho gi\u00fap t\u00f4m nhanh ch\u00f3ng h\u1ed3i ph\u1ee5c l\u1edbp v\u1ecf m\u1edbi.<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1000\" height=\"649\" src=\"https:\/\/hhbio.vn\/wp-content\/uploads\/2019\/08\/tom-lot-xac-duoi-kinh-hien-vi.jpg\" alt=\"\" class=\"wp-image-8512\" srcset=\"https:\/\/hhbio.vn\/wp-content\/uploads\/2019\/08\/tom-lot-xac-duoi-kinh-hien-vi.jpg 1000w, https:\/\/hhbio.vn\/wp-content\/uploads\/2019\/08\/tom-lot-xac-duoi-kinh-hien-vi-300x195.jpg 300w, https:\/\/hhbio.vn\/wp-content\/uploads\/2019\/08\/tom-lot-xac-duoi-kinh-hien-vi-768x498.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<p>H\u00ecnh: C\u00e1c giai \u0111o\u1ea1n kh\u00e1c nhau c\u1ee7a qu\u00e1 tr\u00ecnh l\u1ed9t x\u00e1c \u1edf t\u00f4m:<\/p>\n\n\n\n<p>B\u1eb1ng c\u00e1ch b\u1ed5 sung kho\u00e1ng ch\u1ea5t v\u00e0o ao nu\u00f4i \u0111\u1ec3 gi\u00fap b\u1ed5 sung \u0111\u1ea7y \u0111\u1ee7 canxi cho t\u00f4m, ngo\u00e0i ra ch\u00fang ta c\u00f2n c\u00f3 th\u1ec3 b\u1ed9 sung <a href=\"https:\/\/hhbio.vn\/service-category\/enzyme\/\">enzyme <\/a><a href=\"https:\/\/hhbio.vn\/service\/phytase\/\">phytase <\/a>v\u00e0o kh\u1ea9u ph\u1ea7n \u0103n c\u1ee7a t\u00f4m h\u1eb1ng ng\u00e0y. <a href=\"https:\/\/hhbio.vn\/service-category\/enzyme\/\">Enzyme <\/a><a href=\"https:\/\/hhbio.vn\/service\/phytase\/\">phytase <\/a>s\u1ebd gi\u00fap chuy\u1ec3n h\u00f3a phospho trong th\u1ee9c \u0103n th\u00e0nh d\u1ea1ng phospho d\u1ec5 h\u1ea5p thu gi\u00fap t\u00f4m l\u1edbn nhanh, ng\u0103n ng\u1eeba b\u1ec7nh m\u1ec1m v\u1ecf. <a href=\"https:\/\/hhbio.vn\/service\/men-vi-sinh-tieu-hoa-thuy-san\/\"> Men ti\u00eau h\u00f3a th\u1ee7y s\u1ea3n<\/a> ngo\u00e0i t\u00e1c d\u1ee5ng h\u1ed7 tr\u1ee3 ti\u00eau h\u00f3a, ph\u00f2ng ng\u1eeba c\u00e1c b\u1ec7nh v\u1ec1 \u0111\u01b0\u1eddng ti\u00eau h\u00f3a, <a href=\"https:\/\/hhbio.vn\/service\/men-vi-sinh-tieu-hoa-thuy-san\/\">n\u00f4ng to \u0111\u01b0\u1eddng ru\u1ed9t t\u00f4m<\/a> c\u00f2n ch\u1ee9a  <a href=\"https:\/\/hhbio.vn\/service-category\/enzyme\/\">Enzyme<\/a>  <a href=\"https:\/\/hhbio.vn\/service\/phytase\/\">phytase <\/a>gi\u00fap t\u00f4m h\u1ea1n ch\u1ebf b\u1ec7nh m\u1ec1m v\u1ecf.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p> \u1ede t\u00f4m, l\u1edbp v\u1ecf kitin b\u00ean ngo\u00e0i v\u1eeba \u0111\u00f3ng vai tr\u00f2 gi\u00fap b\u1ea3o v\u1ec7 c\u01a1 th\u1ec3 v\u1eeba l\u00e0 b\u1ed9 x\u01b0\u01a1ng ngo\u00e0i cho s\u1ef1 \u0111\u00ednh c\u01a1, \u0111\u1ec3 t\u0103ng tr\u01b0\u1edfng, ch\u00fang c\u1ea7n ph\u1ea3i l\u1ed9t b\u1ecf \u0111i l\u1edbp v\u1ecf c\u0169, gia  t\u0103ng k\u00edch th\u01b0\u1edbc c\u01a1 th\u1ec3 ngay sau \u0111\u00f3 v\u00e0 h\u1ed3i ph\u1ee5c qua m\u1ed7i l\u1ea7n l\u1ed9t x\u00e1c b\u1eb1ng c\u00e1ch t\u00edch l\u0169y c\u00e1c ch\u1ea5t d\u1ef1 tr\u1eef trao \u0111\u1ed5i ch\u1ea5t c\u0169ng nh\u01b0 s\u1ef1 chu\u1ea9n b\u1ecb cho l\u1ea7n l\u1ed9t x\u00e1c k\u1ebf ti\u1ebfp.<\/p>\n","protected":false},"author":4,"featured_media":8511,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"footnotes":""},"categories":[5],"tags":[],"class_list":["post-8510","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thuy-san"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.11 (Yoast SEO v25.5) - 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