C\u00e1 v\u00e0ng l\u00e0 lo\u1ea1i c\u00e1 c\u1ea3nh m\u00e0 m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u bi\u1ebft. Kh\u00f4ng ch\u1ec9 m\u00e0u s\u1eafc c\u1ee7a n\u00f3 \u0111a d\u1ea1ng nh\u01b0 c\u00f3 v\u00e0ng, c\u00f3 tr\u1eafng, c\u00f3 xanh, c\u00f3 \u0111en, c\u00f3 hoa, m\u00e0 c\u00f2n c\u00e1c b\u1ed9 ph\u1eadn h\u00ecnh d\u00e1ng, v\u1ea3y c\u00e1, v\u00e2y, \u0111u\u00f4i, m\u1eaft, \u0111\u1ea7u \u0111\u1ec1u c\u00f3 s\u1ef1 kh\u00e1c nhau r\u00f5 r\u00e0ng, th\u1eadt l\u00e0 s\u1eb7c s\u1ee1 nhi\u1ec1u m\u00e0u, s\u1eb7c s\u1ee1 \u0111\u1ebfn m\u1ee9c k\u00ec qu\u00e1i. C\u00e1 v\u00e0ng b\u01a1i r\u1ea5t an nh\u00e0n tho\u1ea3i m\u00e1i, l\u1ea1i c\u00f3 th\u1ec3 th\u00edch nghi \u0111\u01b0\u1ee3c v\u1edbi cu\u1ed9c s\u1ed1ng trong \u0111\u1ed3 \u0111\u1ef1ng nh\u1ecf nh\u01b0 ch\u1eadu, b\u1ed3n\u2026, nu\u00f4i r\u1ea5t thu\u1eadn ti\u1ec7n n\u00ean c\u00e0ng l\u00e0m cho m\u1ecdi ng\u01b0\u1eddi th\u00edch nu\u00f4i h\u01a1n.<\/p>\n\n\n\n
Th\u1ef1c ra t\u1ed5 t\u00f4ng c\u1ee7a c\u00e1 v\u00e0ng ch\u00ednh l\u00e0 lo\u00e0i c\u00e1 ch\u00e9p hay th\u1ea5y th\u00f4ng th\u01b0\u1eddng, ch\u1ec9 c\u1ea7n nh\u00ecn c\u00e1 v\u00e0ng gi\u1ed1ng th\u00ec c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n th\u1ea5y h\u1ea7u nh\u01b0 r\u1ea5t kh\u00f3 ph\u00e2n bi\u1ec7t v\u1edbi c\u00e1 gi\u1ed1ng c\u1ee7a c\u00e1 ch\u00e9p, do v\u1eady c\u00e1 v\u00e0ng c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 c\u00e1 ch\u00e9p v\u00e0ng. C\u00e1 v\u00e0ng c\u00f3 th\u1ec3 thay \u0111\u1ed5i nhi\u1ec1u m\u00e0u s\u1eafc nh\u01b0 v\u1eady, \u0111i\u1ec1u n\u00e0y g\u1eafn li\u1ec1n v\u1edbi vi\u1ec7c nu\u00f4i ch\u1ecdn gi\u1ed1ng k\u0129 c\u00e0ng c\u1ee7a lo\u00e0i ng\u01b0\u1eddi trong m\u1ed9t th\u1eddi gian d\u00e0i. Theo V\u0103n hi\u1ebfn ghi ch\u00e9p th\u00ec h\u01a1n 1000 n\u0103m tr\u01b0\u1edbc \u0111\u00e3 ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c c\u00e1 ch\u00e9p c\u00f3 m\u00e0u v\u00e0ng, l\u00fac \u0111\u00f3 c\u00f2n ch\u01b0a th\u1ec3 gi\u1ea3i th\u00edch theo khoa h\u1ecdc, b\u1ecb c\u00e1c nh\u00e0 duy t\u00e2m ch\u1ee7 ngh\u0129a g\u1ecdi l\u00e0 “th\u1ea7n”, nu\u00f4i th\u1ea3 ch\u00fang \u1edf l\u1ea7u Nguy\u1ec7t Ba, Gia H\u01b0ng, Chi\u1ebft Giang. \u0110\u00e2y c\u00f3 l\u1ebd l\u00e0 n\u01a1i nu\u00f4i c\u00e1 v\u00e0ng s\u1edbm nh\u1ea5t \u1edf Trung Qu\u1ed1c. Th\u1eddi B\u1eafc T\u1ed1ng, c\u00e1 v\u00e0ng \u0111\u01b0\u1ee3c \u0111\u01b0a \u0111\u1ebfn H\u00e0ng Ch\u00e2u, \u0111\u1ebfn th\u1eddi Nam T\u1ed1ng th\u00ec vi\u1ec7c nu\u00f4i c\u00e1 v\u00e0ng \u0111\u00e3 tr\u1edf n\u00ean r\u1ea5t r\u1ed9ng r\u00e3i, b\u01b0\u1edbc v\u00e0o th\u1eddi k\u00ec nu\u00f4i c\u00e1 v\u00e0ng ph\u1ed5 bi\u1ebfn trong c\u00e1c gia \u0111\u00ecnh. \u0110\u1ebfn tri\u1ec1u Thanh \u0111\u00e3 b\u1eaft \u0111\u1ea7u c\u00f3 \u00fd th\u1ee9c ch\u1ecdn gi\u1ed1ng nu\u00f4i, t\u1ea1o \u0111\u01b0\u1ee3c m\u1ea5y tr\u0103m lo\u00e0i gi\u1ed1ng c\u00e1 v\u00e0ng h\u00ecnh th\u00f9 k\u00ec qu\u00e1i nh\u01b0 ng\u00e0y nay.<\/p>\n\n\n\n
T\u1ea1i sao c\u00e1 ch\u00e9p th\u00f4ng th\u01b0\u1eddng l\u1ea1i c\u00f3 th\u1ec3 bi\u1ebfn th\u00e0nh c\u00e1 v\u00e0ng \u0111\u1eb9p nh\u01b0 v\u1eady? \u0110i\u1ec1u n\u00e0y c\u00f3 li\u00ean quan \u0111\u1ebfn s\u1ef1 thay \u0111\u1ed5i th\u1ec3 s\u1eafc t\u1ed1 kh\u00e1c nhau c\u1ee7a b\u1ec1 ngo\u00e0i c\u01a1 th\u1ec3 c\u00e1. V\u1ea3y c\u1ee7a c\u00e1 ch\u00e9p th\u00f4ng th\u01b0\u1eddng l\u00e0 m\u00e0u x\u00e1m b\u1ea1c, trong v\u1ea3y c\u00f3 ch\u1ee9a th\u1ec3 s\u1eafc t\u1ed1 \u0111en, th\u1ec3 s\u1eafc t\u1ed1 da cam v\u00e0 m\u1ed9t lo\u1ea1i ch\u1ea5t ph\u1ea3n quang m\u00e0u xanh nh\u1ea1t. Do ch\u1ecbu s\u1ef1 k\u00edch th\u00edch c\u1ee7a th\u1ebf gi\u1edbi b\u00ean ngo\u00e0i, th\u1ec3 s\u1eafc t\u1ed1 \u0111en d\u1ea7n d\u1ea7n bi\u1ebfn m\u1ea5t, c\u00f2n s\u1eafc t\u1ed1 da cam t\u1eeb t\u1eeb t\u0103ng l\u00ean, n\u00ean v\u1ea3y c\u00e1 c\u00f3 m\u00e0u da cam. Do v\u1eady, s\u1ef1 k\u00edch th\u00edch kh\u00e1c nhau th\u00fac \u0111\u1ea9y th\u1ec3 s\u1eafc t\u1ed1 n\u00e0o \u0111\u00f3 trong v\u1ea3y v\u00e0 da th\u01b0a th\u1edbt ho\u1eb7c t\u1eadp trung, hay m\u1ea5y lo\u1ea1i th\u1ec3 s\u1eafc t\u1ed1 tr\u1ed9n l\u1eabn nhau t\u1ea1o n\u00ean m\u00e0u s\u1eafc m\u1edbi. Nh\u01b0 th\u1ec3 s\u1eafc t\u1ed1 \u0111en th\u00eam ch\u1ea5t ph\u1ea3n quang v\u00e0o s\u1ebd xu\u1ea5t hi\u1ec7n m\u00e0u xanh, th\u1ec3 s\u1eafc t\u1ed1 \u0111en ph\u1ed1i h\u1ee3p v\u1edbi th\u1ec3 s\u1eafc t\u1ed1 v\u00e0ng s\u1ebd hi\u1ec7n l\u00ean m\u00e0u xanh l\u1ee5c. Ngo\u00e0i ra, trong n\u01b0\u1edbc ho\u1eb7c th\u1ee9c \u0103n c\u00f3 ch\u1ee9a m\u1ed9t s\u1ed1 nguy\u00ean t\u1ed1 kim lo\u1ea1i, c\u00f2n c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p v\u1edbi axit amin trong prot\u00eain c\u1ee7a da c\u00e1 v\u00e0ng tr\u1edf th\u00e0nh s\u1eafc t\u1ed1 kh\u00e1c nhau. V\u00ed d\u1ee5, trong da m\u00e0u tr\u1eafng th\u00ec c\u00f3 ch\u1ee9a niken (Ni), trong da m\u00e0u \u0111en c\u00f3 ch\u1ee9a \u0111\u1ed3ng, s\u1eaft, coban (Co), c\u00f2n trong da m\u00e0u \u0111\u1ecf c\u00f2n c\u00f3 th\u1ec3 t\u00ecm th\u1ea5y molip\u0111en (Mo).<\/p>\n\n\n\n
V\u1ec1 s\u1ef1 bi\u1ebfn \u0111\u1ed5i c\u1ee7a h\u00ecnh d\u00e1ng l\u00e0 b\u1edfi v\u00ec t\u1eeb trong s\u00f4ng h\u1ed3, chuy\u1ec3n v\u00e0o nu\u00f4i trong ch\u1eadu, b\u00ecnh, khu v\u1ef1c ho\u1ea1t \u0111\u1ed9ng tr\u1edf n\u00ean nh\u1ecf, ngo\u00e0i ra kh\u00f4ng c\u1ea7n ph\u1ea3i t\u1ef1 m\u00ecnh \u0111i ki\u1ebfm th\u1ee9c \u0103n, l\u1ea1i kh\u00f4ng ph\u1ea3i lo l\u1eafng s\u1ef1 t\u1ea5n c\u00f4ng c\u1ee7a k\u1ebb \u0111\u1ecbch, c\u0169ng kh\u00f4ng ph\u1ea3i b\u01a1i nhanh, v\u00ec v\u1eady th\u00e2n h\u00ecnh d\u00e0i m\u1ecfng m\u00ecnh d\u1eb9t d\u1ea7n d\u1ea7n tr\u1edf n\u00ean th\u00f4 ng\u1eafn. C\u00f3 con do nu\u00f4i l\u00e2u \u1edf n\u01a1i c\u00f3 \u00e1nh s\u00e1ng y\u1ebfu, nh\u00ecn \u0111\u1ed3 v\u1eadt t\u1ea5t nhi\u00ean ph\u1ea3i d\u00f9ng s\u1ee9c, l\u00e2u d\u1ea7n, hai m\u1eaft t\u1eeb t\u1eeb l\u1ed3i l\u00ean. V\u1ec1 vi\u1ec7c ch\u1ecdn nu\u00f4i k\u0129 c\u00e1c lo\u00e0i c\u00e1 kh\u00e1c nhau trong khi nu\u00f4i, v\u00e0 cho ph\u1ed1i gi\u1ed1ng v\u1edbi nhau, th\u00ec \u0111\u1eddi sau s\u1ebd xu\u1ea5t hi\u1ec7n nhi\u1ec1u lo\u1ea1i gi\u1ed1ng k\u00ec l\u1ea1 h\u01a1n, c\u00e1c \u0111\u1eddi sau k\u1ebf ti\u1ebfp l\u1ea1i cho ph\u1ed1i gi\u1ed1ng v\u1edbi nhau, th\u00ec s\u1ebd truy\u1ec1n l\u1ea1i gi\u1ed1ng c\u00e1 v\u00e0ng \u0111\u1ee7 ki\u1ec3u, nhi\u1ec1u t\u00ean g\u1ecdi kh\u00e1c nhau. Hi\u1ec7n nay, th\u00f4ng th\u01b0\u1eddng theo \u0111\u1eb7c tr\u01b0ng b\u1ec1 ngo\u00e0i c\u1ee7a c\u00e1 v\u00e0ng c\u00f3 th\u1ec3 chia l\u00e0m 4 lo\u1ea1i, t\u1ee9c l\u00e0 gi\u1ed1ng c\u00e1 m\u00e8 v\u00e0ng, lo\u1ea1i c\u00e1 hoa v\u0103n, lo\u1ea1i c\u00e1 r\u1ed3ng v\u00e0 lo\u1ea1i c\u00e1 \u0111\u1ebb tr\u1ee9ng, m\u00e0 m\u1ed7i lo\u1ea1i chia nh\u1ecf ra l\u1ea1i c\u00f3 th\u1ec3 ph\u00e2n ra \u0111\u01b0\u1ee3c m\u1ea5y ch\u1ee5c lo\u1ea1i.<\/p>\n","protected":false},"excerpt":{"rendered":"
C\u00e1 v\u00e0ng l\u00e0 lo\u1ea1i c\u00e1 c\u1ea3nh m\u00e0 m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u bi\u1ebft. Kh\u00f4ng ch\u1ec9 m\u00e0u s\u1eafc c\u1ee7a n\u00f3 \u0111a d\u1ea1ng nh\u01b0 c\u00f3 v\u00e0ng, c\u00f3 tr\u1eafng, c\u00f3 xanh, c\u00f3 \u0111en, c\u00f3 hoa, m\u00e0 c\u00f2n c\u00e1c b\u1ed9 ph\u1eadn h\u00ecnh d\u00e1ng, v\u1ea3y c\u00e1, v\u00e2y, \u0111u\u00f4i, m\u1eaft, \u0111\u1ea7u \u0111\u1ec1u c\u00f3 s\u1ef1 kh\u00e1c nhau r\u00f5 r\u00e0ng, th\u1eadt l\u00e0 s\u1eb7c s\u1ee1 nhi\u1ec1u […]<\/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":[15,10],"tags":[],"class_list":["post-8391","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-sinh-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8391","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=8391"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8391\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8391"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8391"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8391"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}