Trong d\u01b0a h\u1ea5u th\u01b0\u1eddng c\u00f3 r\u1ea5t nhi\u1ec1u h\u1ea1t, khi \u0103n ta ph\u1ea3i nh\u1eb1n nh\u1ed5 \u0111i. Ng\u00e0y nay, con ng\u01b0\u1eddi \u0111\u00e3 tr\u1ed3ng \u0111\u01b0\u1ee3c m\u1ed9t lo\u1ea1i d\u01b0a h\u1ea5u kh\u00f4ng c\u00f3 h\u1ea1t (tr\u00ean th\u1ef1c t\u1ebf c\u00f3 h\u1ea1t, song h\u1ea1t kh\u00f4ng ph\u00e1t d\u1ee5c) m\u00e0 l\u1ea1i c\u00f2n nhi\u1ec1u n\u01b0\u1edbc, ng\u1ecdt, r\u00f2n.<\/p>\n\n\n\n
\u0110\u00f3 l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a s\u1ef1 nh\u1eadn th\u1ee9c t\u1ef1 nhi\u00ean v\u00e0 s\u1ef1 c\u1ea3i t\u1ea1o t\u1ef1 nhi\u00ean c\u1ee7a con ng\u01b0\u1eddi. Trong gi\u1edbi t\u1ef1 nhi\u00ean ngo\u00e0i ph\u1ea7n l\u1edbn th\u1ef1c v\u1eadt c\u1ea7n ra hoa k\u1ebft h\u1ea1t, truy\u1ec1n gi\u1ed1ng \u0111\u1eddi sau ra, c\u0169ng c\u00f3 m\u1ed9t s\u1ed1 th\u1ef1c v\u1eadt ch\u1ec9 k\u1ebft qu\u1ea3 kh\u00f4ng k\u1ebft h\u1ea1t. Con ng\u01b0\u1eddi \u0111\u00e3 ti\u1ebfn h\u00e0nh quan s\u00e1t nghi\u00ean c\u1ee9u nh\u1eefng lo\u1ea1i th\u1ef1c v\u1eadt kh\u00f4ng h\u1ea1t, ph\u00e1t hi\u1ec7n ch\u00fang \u0111a ph\u1ea7n l\u00e0 th\u1ef1c v\u1eadt tam b\u1ed9i th\u1ec3. C\u00e1i g\u1ecdi l\u00e0 tam b\u1ed9i th\u1ec3, t\u1ee9c l\u00e0 s\u1ed1 nhi\u1ec5m s\u1eafc th\u1ec3 c\u1ee7a t\u1ebf b\u00e0o th\u1ec3 (t\u1ebf b\u00e0o c\u1ee7a c\u00e1c c\u01a1 quan nh\u01b0 r\u1ec5, th\u00e2n, l\u00e1\u2026) c\u1ee7a ch\u00fang b\u1eb1ng ba l\u1ea7n t\u1ebf b\u00e0o t\u00ednh (ph\u1ea5n hoa v\u00e0 no\u00e3n). S\u1ed1 nhi\u1ec5m s\u1eafc th\u1ec3 trong t\u1ebf b\u00e0o th\u1ec3 c\u1ee7a th\u1ef1c v\u1eadt ch\u1ec9 b\u1eb1ng hai l\u1ea7n t\u1ebf b\u00e0o t\u00ednh (s\u1ed1 nhi\u1ec5m s\u1eafc th\u1ec3 c\u1ee7a t\u1ebf b\u00e0o t\u00ednh g\u1ecdi l\u00e0 \u0111\u01a1n b\u1ed9i) cho n\u00ean g\u1ecdi l\u00e0 th\u1ef1c v\u1eadt nh\u1ecb b\u1ed9i th\u1ec3. Ch\u1ec9 c\u00f3 nh\u1eefng th\u1ef1c v\u1eadt c\u00f3 s\u1ed1 nhi\u1ec5m s\u1eafc th\u1ec3 l\u00e0 s\u1ed1 ch\u1eb5n (nh\u01b0 2, 4\u2026) m\u1edbi c\u00f3 th\u1ec3 s\u1ea3n sinh ra h\u1ea1t, d\u01b0a h\u1ea5u b\u00ecnh th\u01b0\u1eddng l\u00e0 th\u1ef1c v\u1eadt nh\u1ecb b\u1ed9i th\u1ec3, s\u1ed1 nhi\u1ec5m s\u1eafc th\u1ec3 l\u00e0 22, ph\u1ed1i th\u00e0nh 11 \u0111\u00f4i, cho n\u00ean c\u00f3 th\u1ec3 truy\u1ec1n gi\u1ed1ng \u0111\u1eddi sau. D\u01b0a h\u1ea5u kh\u00f4ng h\u1ea1t l\u00e0 th\u1ef1c v\u1eadt tam b\u1ed9i th\u1ec3, s\u1ed1 nhi\u1ec5m s\u1eafc th\u1ec31 c\u1ee7a n\u00f3 l\u00e0 33, khi t\u1ebf b\u00e0o ph\u00e2n chia nhi\u1ec5m s\u1eafc th\u1ec3 s\u1ebd ph\u00e2n ph\u1ed1i kh\u00f4ng \u0111\u1ec1u, g\u00e2y ra t\u00ecnh tr\u1ea1ng kh\u00f4ng mang thai nghi\u00eam tr\u1ecdng, kh\u00f4ng k\u1ebft h\u1ea1t \u0111\u01b0\u1ee3c, cho n\u00ean tuy\u1ec7t \u0111\u1ea1i b\u1ed9 ph\u1eadn trong qu\u1ea3 l\u00e0 kh\u00f4ng h\u1ea1t.<\/p>\n\n\n\n
C\u00f3 m\u1ed9t s\u1ed1 th\u1ef1c v\u1eadt, trong \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng thay \u0111\u1ed5i r\u00f5 r\u1ec7t s\u1ebd c\u00f3 nh\u1eefng bi\u1ebfn \u0111\u1ed5i c\u00f3 th\u1ec3 khi\u1ebfn cho nhi\u1ec5m s\u1eafc th\u1ec3 c\u1ee7a t\u1ebf b\u00e0o th\u1ec3 t\u0103ng g\u1ea5p b\u1ed9i, hi\u1ec7n nay con ng\u01b0\u1eddi th\u01b0\u1eddng d\u00f9ng m\u1ed9t lo\u1ea1i ki\u1ec1m sinh v\u1eadt \u0111\u1ec3 x\u1eed l\u00fd h\u1ea1t gi\u1ed1ng c\u1ee7a th\u1ef1c v\u1eadt, c\u00f3 th\u1ec3 tr\u1ed3ng \u0111\u01b0\u1ee3c nhi\u1ec1u th\u1ef1c v\u1eadt \u0111a b\u1ed9i th\u1ec3. \u0110\u1ec3 tr\u1ed3ng \u0111\u01b0\u1ee3c lo\u1ea1i d\u01b0a h\u1ea5u tam b\u1ed9i th\u1ec3, ng\u01b0\u1eddi ta tr\u01b0\u1edbc ti\u00ean d\u00f9ng 0,01% – 0,1% dung d\u1ecbch colchinine ng\u00e2m h\u1ea1t gi\u1ed1ng d\u01b0a h\u1ea5u b\u00ecnh th\u01b0\u1eddng, ho\u1eb7c b\u00f4i l\u00ean c\u00e1c m\u1ea7m non c\u1ee7a n\u00f3, thu \u0111\u01b0\u1ee3c lo\u1ea1i h\u1ea1t gi\u1ed1ng d\u01b0a h\u1ea5u t\u1ee9 b\u1ed9i th\u1ec3. Sau \u0111\u00f3 tr\u1ed3ng h\u1ea1t gi\u1ed1ng t\u1ee9 b\u1ed9i th\u1ec3, d\u00f9ng lo\u1ea1i d\u01b0a h\u1ea5u th\u01b0\u1eddng l\u00e0m c\u00e2y \u0111\u1ef1c v\u00e0 lo\u1ea1i d\u01b0a h\u1ea5u t\u1ee9 b\u1ed9i th\u1ec3 l\u00e0m c\u00e2y m\u1eb9, ti\u1ebfn h\u00e0nh t\u1ea1p giao nh\u01b0 v\u1eady s\u1ebd \u0111\u01b0\u1ee3c h\u1ea1t gi\u1ed1ng d\u01b0a h\u1ea5u tam b\u1ed9i th\u1ec3. D\u00f9ng h\u1ea1t gi\u1ed1ng d\u01b0a h\u1ea5u tam b\u1ed9i th\u1ec3 tr\u1ed3ng, s\u1ebd tr\u1ed3ng \u0111\u01b0\u1ee3c d\u01b0a h\u1ea5u kh\u00f4ng h\u1ea1t. B\u1edfi v\u00ec tr\u00ean c\u00e2y th\u1ef1c v\u1eadt tam b\u1ed9i th\u1ec3 ph\u1ea5n hoa c\u1ee7a nh\u1ee5y \u0111\u1ef1c \u0111\u00e3 m\u1ea5t \u0111i ch\u1ee9c n\u0103ng, kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng th\u1ee5 tinh, ph\u1ea3i l\u1ea5y ph\u1ea5n hoa c\u1ee7a d\u01b0a nh\u1ecb b\u1ed9i th\u1ec3 chuy\u1ec3n sang nh\u1ee5y c\u00e1i c\u1ee7a c\u00e2y tam b\u1ed9i th\u1ec3, m\u1edbi c\u00f3 th\u1ec3 t\u1ea1o ra lo\u1ea1i d\u01b0a h\u1ea5u kh\u00f4ng h\u1ea1t. Cho n\u00ean ch\u00fang ta th\u1ea5y trong v\u01b0\u1eddn d\u01b0a, d\u01b0a tam b\u1ed9i th\u1ec3 v\u00e0 d\u01b0a h\u1ea5u nh\u1ecb b\u1ed9i th\u1ec3 tr\u1ed3ng l\u1eabn l\u1ed9n, c\u00f3 l\u1ee3i cho c\u00f4n tr\u00f9ng truy\u1ec1n ph\u1ea5n.<\/p>\n\n\n\n
Ng\u00e0y nay, ng\u01b0\u1eddi ta \u0111ang nghi\u00ean c\u1ee9u d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p nu\u00f4i tr\u1ed3ng c\u00f3 t\u1ed5 ch\u1ee9c \u0111\u1ec3 ti\u1ebfn h\u00e0nh sinh s\u1ea3n v\u00f4 t\u00ednh, trong t\u01b0\u01a1ng lai kh\u00f4ng xa s\u1ebd tr\u1ed3ng \u0111\u01b0\u1ee3c nhi\u1ec1u c\u00e2y d\u01b0a h\u1ea5u kh\u00f4ng h\u1ea1t.<\/p>\n","protected":false},"excerpt":{"rendered":"
Trong d\u01b0a h\u1ea5u th\u01b0\u1eddng c\u00f3 r\u1ea5t nhi\u1ec1u h\u1ea1t, khi \u0103n ta ph\u1ea3i nh\u1eb1n nh\u1ed5 \u0111i. Ng\u00e0y nay, con ng\u01b0\u1eddi \u0111\u00e3 tr\u1ed3ng \u0111\u01b0\u1ee3c m\u1ed9t lo\u1ea1i d\u01b0a h\u1ea5u kh\u00f4ng c\u00f3 h\u1ea1t (tr\u00ean th\u1ef1c t\u1ebf c\u00f3 h\u1ea1t, song h\u1ea1t kh\u00f4ng ph\u00e1t d\u1ee5c) m\u00e0 l\u1ea1i c\u00f2n nhi\u1ec1u n\u01b0\u1edbc, ng\u1ecdt, r\u00f2n. \u0110\u00f3 l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a s\u1ef1 nh\u1eadn th\u1ee9c t\u1ef1 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,19],"tags":[],"class_list":["post-9784","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-tu-nhien"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9784","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=9784"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9784\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9784"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9784"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9784"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}