{"id":228,"date":"2018-11-07T22:02:04","date_gmt":"2018-11-07T22:02:04","guid":{"rendered":"https:\/\/robot.yeupet.vn\/?p=446"},"modified":"2018-11-07T22:02:04","modified_gmt":"2018-11-07T22:02:04","slug":"ki-thuat-cho-ca-neon-sinh-san","status":"publish","type":"post","link":"https:\/\/robot.yeupet.vn\/index.php\/2018\/11\/07\/ki-thuat-cho-ca-neon-sinh-san\/","title":{"rendered":"K\u0129 thu\u1eadt cho c\u00e1 Neon sinh s\u1ea3n"},"content":{"rendered":"<div>\n<p>C\u00e1 neon c\u00f3 hai s\u1ecdc xanh \u2013 \u0111\u1ecf ch\u1ea1y d\u1ecdc th\u00e2n, v\u1ea3y l\u1ea5p l\u00e1nh \u00e1nh b\u1ea1c, s\u1ed1ng t\u1eadp trung t\u1eebng \u0111\u00e0n, c\u00f3 ngu\u1ed3n g\u1ed1c \u1edf l\u01b0u v\u1ef1c s\u00f4ng Rio Negro, Nam M\u1ef9 v\u00e0 hi\u1ec7n \u0111\u01b0\u1ee3c nu\u00f4i ph\u1ed5 bi\u1ebfn tr\u00ean th\u1ebf gi\u1edbi.Ch\u00fang th\u00edch s\u1ed1ng trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc s\u1ea1ch, c\u00f3 kh\u00f4ng gian r\u1ed9ng v\u00e0 nhi\u1ec1u oxy h\u00f2a tan. \u1ede m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc d\u01a1, ngh\u00e8o oxy, c\u00e1 tr\u1edf l\u00ean nh\u1ee3t nh\u1ea1t, y\u1ebfu \u1edbt, gi\u1ea3m kh\u1ea3 n\u0103ng sinh s\u1ea3n, th\u1eadm ch\u00ed con c\u00e1i kh\u00f4ng \u0111\u1ebb tr\u1ee9ng n\u1eefa ho\u1eb7c tr\u1ee9ng b\u1ecb c\u1ee9ng. Tr\u01b0\u1eddng h\u1ee3p n\u01b0\u1edbc d\u01a1 v\u01b0\u1ee3t qu\u00e1 ng\u01b0\u1ee1ng cho ph\u00e9p, c\u00e1 r\u1ea5t hay b\u1ecb b\u1ec7nh. Khi b\u1ecb b\u1ec7nh, c\u00e1 tr\u1edf n\u00ean nh\u1ee3t nh\u1ea1t, m\u1ea5t m\u00e0u \u0111\u1ecf l\u1ea5p l\u00e1nh tr\u00ean th\u00e2n, d\u1ea5u hi\u1ec7u n\u00e0y th\u01b0\u1eddng b\u1eaft \u0111\u1ea7u t\u1eeb d\u01b0\u1edbi cu\u1ed1ng \u0111u\u00f4i, r\u1ed3i lan d\u1ea7n l\u00ean ph\u00eda tr\u01b0\u1edbc th\u00e2n, sau \u0111\u00f3 m\u1ed9t th\u1eddi gian th\u00ec c\u00e1 ch\u1ebft. Tu\u1ed5i th\u00e0nh th\u1ee5c l\u00fac 4 \u2013 5 th\u00e1ng tu\u1ed5i (con c\u00e1i s\u1edbm h\u01a1n con \u0111\u1ef1c), th\u00edch \u0103n c\u00e1c lo\u1ea1i s\u1ed1ng, nh\u1ecf nh\u01b0 bo bo, \u1ea5u tr\u00f9ng mu\u1ed7i, artemia\u2026 Con \u0111\u1ef1c c\u00f3 v\u00e2y l\u01b0ng v\u00e0 v\u00e2y h\u1eadu m\u00f4n d\u00e0i, r\u1ed9ng v\u00e0 s\u1eb7c s\u1ee1, trong khi con c\u00e1i tr\u00f2n h\u01a1n, b\u1ee5ng to h\u01a1n.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/img.yeupet.vn\/2018\/11\/cakhacvn2.jpg\" class=\" size-full wp-image-241\" alt=\"alt\" width=\"464\" height=\"451\"><\/p>\n<p>\u00a0<\/p>\n<p>Tr\u01b0\u1edbc \u0111\u00e2y c\u00e1 neon ph\u1ea3i nh\u1eadp kh\u1ea9u, nay nhi\u1ec1u n\u01a1i \u0111\u00e3 cho sinh s\u1ea3n th\u00e0nh c\u00f4ng. Theo KS. Nguy\u1ec5n S\u01a1n H\u1ea3i, c\u00e1 th\u01b0\u1eddng \u0111\u1ebb v\u00e0o m\u00f9a thu v\u00e0 m\u00f9a \u0111\u00f4ng, n\u01a1i n\u01b0\u1edbc h\u01a1i c\u00f3 t\u00ednh acid (pH = 5,5 \u2013 6,5), nhi\u1ec7t \u0111\u1ed9 24 \u2013 26 \u0111\u1ed9 C, t\u1eebng c\u1eb7p con \u0111\u1ef1c v\u00e0 con c\u00e1i t\u00e1ch ra kh\u1ecfi \u0111\u00e0n, t\u00ecm nh\u1eefng n\u01a1i c\u00f3 l\u00e1 ho\u1eb7c gi\u00e1 th\u1ec3 \u0111\u1ec3 \u0111\u1ebb. Ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u00edch th\u00edch \u0111\u1ebb b\u1edfi t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u1eb7p \u0111\u1ea7u ti\u00ean do pheromon ti\u1ebft ra. D\u1ea5u hi\u1ec7u s\u1eafp \u0111\u1ebb l\u00e0 c\u00e1 b\u1ed1 m\u1eb9 b\u01a1i d\u1ecdc theo gi\u00e1 th\u1ec3 theo h\u00ecnh xo\u1eafn \u1ed1c t\u1eeb d\u01b0\u1edbi l\u00ean tr\u00ean. S\u1ef1 sinh s\u1ea3n c\u00f3 k\u1ebft qu\u1ea3 t\u1ed1t n\u1ebfu c\u00e1 b\u1ed1 m\u1eb9 \u0111\u01b0\u1ee3c 9 \u2013 12 th\u00e1ng tu\u1ed5i (tr\u1ee9ng c\u1ee7a nh\u1eefng con c\u00e1i gi\u00e0 th\u01b0\u1eddng b\u1ecb c\u1ee9ng). C\u00e1 \u0111\u01b0\u1ee3c 5 \u2013 6 tu\u1ea7n tu\u1ed5i th\u00ec c\u00f3 m\u00e0u nh\u01b0 c\u00e1 tr\u01b0\u1edfng th\u00e0nh. Th\u1ee9c \u0103n cho c\u00e1 con l\u00e0 lo\u1ea1i nh\u1ecf, m\u1ecbn nh\u01b0 protozoa, artemia\u2026 C\u00e1 con 1 cm c\u00f3 th\u1ec3 \u0103n tr\u00f9n ch\u1ec9 c\u1eaft nh\u1ecf.<\/p>\n<p>K\u00edch th\u01b0\u1edbc khi th\u00e0nh th\u1ee5c kho\u1ea3ng 3 \u2013 4 cm. Gi\u1eefa c\u00e1c \u0111\u1ee3t \u0111\u1ebb, n\u00ean t\u00e1ch ri\u00eang \u0111\u1ef1c v\u00e0 c\u00e1i, \u0111\u1ed3ng th\u1eddi c\u00f3 ch\u1ebf \u0111\u1ed9 nu\u00f4i v\u1ed7. Trong t\u1ef1 nhi\u00ean c\u00e1 b\u1ed1 m\u1eb9 th\u00edch l\u00e0m t\u1ed5 n\u01a1i c\u00f3 th\u1ef1c v\u1eadt n\u1ed5i, \u00edt \u00e1nh s\u00e1ng, c\u00f3 n\u01a1i \u1ea9n n\u1ea5p. Trong sinh s\u1ea3n nh\u00e2n t\u1ea1o, n\u00ean ch\u1ecdn nh\u1eefng b\u1ec3 20 \u2013 30 l\u00edt, c\u00e1ch \u0111\u00e1y v\u00e0i cm c\u0103ng l\u01b0\u1edbi \u0111\u1ec3 c\u00e1 b\u1ed1 m\u1eb9 kh\u00f4ng \u0103n tr\u1ee9ng, trong b\u1ec3 \u0111\u1eb7t rong v\u00e0 th\u1ef1c v\u1eadt th\u1ee7y sinh kh\u00e1c t\u1ea1o ch\u1ed7 tr\u00fa \u1ea9n, ph\u00eda ngo\u00e0i b\u1ec3 ph\u1ea3i che \u0111\u1ec3 gi\u1ea3m \u00e1nh s\u00e1ng. D\u00f9ng m\u00e1y l\u1ecdc n\u01b0\u1edbc tu\u1ea7n ho\u00e0n \u0111\u1ec3 lo\u1ea1i b\u1edbt tinh d\u1ecbch g\u00e2y \u00f4 nhi\u1ec5m. Khi c\u00e1 b\u1ed1 m\u1eb9 \u0111\u01b0\u1ee3c t\u00e1ch ra v\u00e0 \u0111\u00e3 s\u1eb5n s\u00e0ng \u0111\u1ebb v\u00e0o s\u00e1ng h\u00f4m sau, th\u00ec kh\u00f4ng \u0111\u01b0\u1ee3c cho \u0103n (n\u1ebfu c\u00e1 v\u1eabn ch\u01b0a \u0111\u1ebb sau 3 ng\u00e0y th\u00ec cho v\u00e0o b\u1ec3 kh\u00e1c \u0111\u1ec3 nu\u00f4i v\u1ed7 l\u1ea1i).<\/p>\n<p>Khi \u0111\u1ebb, c\u00e1 \u0111\u1ef1c d\u00f9ng mi\u1ec7ng th\u00fac v\u00e0o c\u00e1 c\u00e1i, b\u01a1i ngang tr\u01b0\u1edbc c\u00e1 c\u00e1i v\u00e0 rung rung c\u00e1c v\u00e2y, sau \u0111\u00f3 b\u01a1i v\u00e0o c\u00e1c l\u00f9m th\u1ef1c v\u1eadt, khi c\u00e1 c\u00e1i b\u01a1i theo, c\u1ea3 hai \u00e9p s\u00e1t v\u00e0o nhau, gi\u1eef ch\u1eb7t nhau b\u1eb1ng v\u00e2y ng\u1ef1c, c\u00e1 \u0111\u1ef1c g\u1eafn m\u00ecnh v\u00e0o c\u00e1 c\u00e1i b\u1eb1ng c\u00e1c m\u00f3c tr\u00ean v\u00e2y h\u1eadu m\u00f4n, c\u1eb7p c\u00e1 quay tr\u00f2n theo tr\u1ee5c th\u00e2n r\u1ed3i c\u00f9ng ph\u00f3ng tr\u1ee9ng v\u00e0 tinh; tr\u1ee9ng r\u1edbt xu\u1ed1ng \u0111\u00e1y ho\u1eb7c v\u00e0o l\u00e1. C\u00e1 neon \u0111\u1ebb 100 \u2013 300 tr\u1ee9ng m\u1ed7i l\u1ea7n v\u00e0 4 \u2013 6 l\u1ea7n\/v\u1ee5. V\u00ec tr\u1ee9ng d\u1ec5 b\u1ecb b\u1ec7nh n\u1ea5m, c\u1ea7n d\u00f9ng ch\u1ea5t ch\u1ed1ng n\u1ea5m trong b\u1ec3 \u0111\u1ebb. C\u00e1 n\u1edf sau 24 \u2013 36 gi\u1edd, sau 5 \u2013 6 ng\u00e0y th\u00ec b\u1eaft \u0111\u1ea7u b\u01a1i v\u00e0 b\u1eaft m\u1ed3i t\u1ef1 do. N\u00ean cho \u0103n \u1ea5u tr\u00f9ng artemia ho\u1eb7c rotifer\u2026 \u0111\u00e3 r\u1eeda s\u1ea1ch nhi\u1ec1u l\u1ea7n trong ng\u00e0y \u0111\u1ec3 tr\u00e1nh th\u1eeba th\u1ee9c \u0103n. Thay n\u01b0\u1edbc h\u00e0ng ng\u00e0y v\u00e0 \u01b0\u01a1m trong b\u1ec3 l\u1edbn.<\/p>\n<p><em><strong>Theo_Sinh V\u1eadt C\u1ea3nh<\/strong><\/em><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1 neon c\u00f3 hai s\u1ecdc xanh \u2013 \u0111\u1ecf ch\u1ea1y d\u1ecdc th\u00e2n, v\u1ea3y l\u1ea5p l\u00e1nh \u00e1nh b\u1ea1c, s\u1ed1ng t\u1eadp trung t\u1eebng \u0111\u00e0n, c\u00f3 ngu\u1ed3n g\u1ed1c \u1edf l\u01b0u v\u1ef1c s\u00f4ng Rio Negro, Nam M\u1ef9 v\u00e0 hi\u1ec7n \u0111\u01b0\u1ee3c nu\u00f4i ph\u1ed5 bi\u1ebfn tr\u00ean th\u1ebf gi\u1edbi.Ch\u00fang th\u00edch s\u1ed1ng trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc s\u1ea1ch, c\u00f3 kh\u00f4ng gian r\u1ed9ng v\u00e0 nhi\u1ec1u oxy [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-228","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/robot.yeupet.vn\/index.php\/wp-json\/wp\/v2\/posts\/228","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/robot.yeupet.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/robot.yeupet.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/robot.yeupet.vn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/robot.yeupet.vn\/index.php\/wp-json\/wp\/v2\/comments?post=228"}],"version-history":[{"count":0,"href":"https:\/\/robot.yeupet.vn\/index.php\/wp-json\/wp\/v2\/posts\/228\/revisions"}],"wp:attachment":[{"href":"https:\/\/robot.yeupet.vn\/index.php\/wp-json\/wp\/v2\/media?parent=228"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/robot.yeupet.vn\/index.php\/wp-json\/wp\/v2\/categories?post=228"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/robot.yeupet.vn\/index.php\/wp-json\/wp\/v2\/tags?post=228"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}