{"id":6014,"date":"2025-12-11T09:20:17","date_gmt":"2025-12-11T02:20:17","guid":{"rendered":"https:\/\/ahrd.gofatech.com\/?p=6014"},"modified":"2025-12-11T09:20:17","modified_gmt":"2025-12-11T02:20:17","slug":"dieu-tra-khao-sat-kieu-hinh-ca-vang-oranda-tren-thi-truong-ca-canh-thanh-pho-ho-chi-minh","status":"publish","type":"post","link":"https:\/\/ahrd.gofatech.com\/?p=6014","title":{"rendered":"\u0110i\u1ec1u tra kh\u1ea3o s\u00e1t ki\u1ec3u h\u00ecnh c\u00e1 v\u00e0ng Oranda tr\u00ean th\u1ecb tr\u01b0\u1eddng c\u00e1 c\u1ea3nh Th\u00e0nh ph\u1ed1 H\u1ed3 Ch\u00ed Minh"},"content":{"rendered":"

\u0110i\u1ec1u tra kh\u1ea3o s\u00e1t ki\u1ec3u h\u00ecnh c\u00e1 v\u00e0ng Oranda tr\u00ean th\u1ecb tr\u01b0\u1eddng c\u00e1 c\u1ea3nh Th\u00e0nh ph\u1ed1 H\u1ed3 Ch\u00ed Minh<\/span><\/p>\n

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  1. \u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/strong><\/span><\/li>\n<\/ol>\n

    C\u00e1 c\u1ea3nh \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng ti\u1ec1m n\u0103ng trong Ch\u01b0\u01a1ng tr\u00ecnh ph\u00e1t tri\u1ec3n gi\u1ed1ng c\u00e2y, con v\u00e0 n\u00f4ng nghi\u1ec7p c\u00f4ng ngh\u1ec7 cao tr\u00ean \u0111\u1ecba b\u00e0n Th\u00e0nh ph\u1ed1 H\u1ed3 Ch\u00ed Minh giai \u0111o\u1ea1n 2020 – 2030 theo quy\u1ebft \u0111\u1ecbnh s\u1ed1 2092\/Q\u0110-UBND ng\u00e0y10 th\u00e1ng 6 n\u0103m 2021 c\u1ee7a \u1ee6y ban nh\u00e2n d\u00e2n Th\u00e0nh ph\u1ed1. T\u1eeb \u0111\u00f3, th\u1ecb tr\u01b0\u1eddng c\u00e1 c\u1ea3nh c\u1ee7a n\u01b0\u1edbc ta ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0 m\u1edf r\u1ed9ng, t\u1ed5ng di\u1ec7n t\u00edch nu\u00f4i c\u00e1 c\u1ea3nh tr\u00ean to\u00e0n Th\u00e0nh ph\u1ed1 kho\u1ea3ng 90 ha v\u1edbi kho\u1ea3ng g\u1ea7n 300 c\u01a1 s\u1edf v\u00e0 h\u1ed9 nu\u00f4i. Hi\u1ec7n nay, Th\u00e0nh ph\u1ed1 H\u1ed3 Ch\u00ed Minh \u0111\u00e3 xu\u1ea5t kh\u1ea9u c\u00e1 c\u1ea3nh sang 50 qu\u1ed1c gia, trong \u0111\u00f3 ch\u00e2u \u00c2u chi\u1ebfm t\u1ef7 tr\u1ecdng cao nh\u1ea5t l\u00e0 64,78%; ti\u1ebfp \u0111\u1ebfn l\u00e0 ch\u00e2u \u00c1 28,49%; ch\u00e2u M\u1ef9 5,1%; Trung \u0110\u00f4ng, 1,28%; v\u00e0 Nam Phi 0,35% (T\u1ed5ng c\u1ee5c Th\u1ee7y s\u1ea3n, 2023). Trong khi \u0111\u00f3, ch\u00e2u \u00c1 l\u00e0 m\u1ed9t trong nh\u1eefng khu v\u1ef1c xu\u1ea5t kh\u1ea9u c\u00e1 c\u1ea3nh ch\u1ee7 l\u1ef1c tr\u00ean th\u1ebf gi\u1edbi chi\u1ebfm h\u01a1n 51% trong t\u1ed5ng s\u1ed1 \u0111\u01a1n v\u1ecb xu\u1ea5t kh\u1ea9u tr\u00ean th\u1ebf gi\u1edbi (FAO, 2010). Trong c\u00e1c lo\u00e0i c\u00e1 c\u1ea3nh hi\u1ec7n nay th\u00ec c\u00e1 \u0111\u1ea7u l\u00e2n (hay c\u00f2n g\u1ecdi c\u00e1 v\u00e0ng Oranda) l\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 gi\u00e1 tr\u1ecb kinh t\u1ebf tr\u00ean th\u1ecb tr\u01b0\u1eddng c\u00e1 c\u1ea3nh v\u00e0 \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi nu\u00f4i c\u00e1 c\u1ea3nh trong n\u01b0\u1edbc c\u0169ng nh\u01b0 n\u01b0\u1edbc ngo\u00e0i quan t\u00e2m. C\u00e1 v\u00e0ng Oranda c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb Trung Qu\u1ed1c v\u00e0o th\u1ebf k\u1ef7 XII (B\u00f9i Minh T\u00e2m, 2007), ch\u00fang \u0111\u00e3 xu\u1ea5t hi\u1ec7n t\u1eeb r\u1ea5t l\u00e2u \u0111\u1eddi v\u00e0 l\u00e0 d\u00f2ng c\u00e1 \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng \u1ed5n \u0111\u1ecbnh nh\u1ea5t tr\u00ean th\u1ecb tr\u01b0\u1eddng c\u00e1 c\u1ea3nh. Hi\u1ec7n nay, th\u1ecb tr\u01b0\u1eddng c\u00e1 c\u1ea3nh r\u1ea5t phong ph\u00fa \u0111a d\u1ea1ng, v\u00ec v\u1eady nghi\u00ean c\u1ee9u n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ec3 gi\u00fap ng\u01b0\u1eddi ch\u01a1i ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c c\u00e1 v\u00e0ng Oranda \u0111\u00fang ti\u00eau chu\u1ea9n, c\u0169ng nh\u01b0 ki\u1ec3u h\u00ecnh n\u00e0o \u0111ang \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng v\u00e0 c\u00f3 gi\u00e1 tr\u1ecb cao.<\/span><\/p>\n

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    1. V\u1eacT LI\u1ec6U V\u00c0 PH\u01af\u01a0NG PH\u00c1P NGHI\u00caN C\u1ee8U<\/strong><\/span><\/li>\n<\/ol>\n

      2.1. V\u1eadt li\u1ec7u nghi\u00ean c\u1ee9u<\/strong><\/span><\/p>\n

      C\u00e1 v\u00e0ng Oranda c\u00e1c ki\u1ec3u h\u00ecnh \u0111\u1eb9p v\u00e0 c\u00f3 gi\u00e1 tr\u1ecb tr\u00ean th\u1ecb tr\u01b0\u1eddng t\u1ea1i th\u00e0nh ph\u1ed1 H\u1ed3 Ch\u00ed Minh.<\/span><\/p>\n

      2.2. Ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u <\/strong><\/span><\/p>\n

      Ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c hi\u1ec7n<\/em>: Kh\u1ea3o s\u00e1t \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ph\u1ecfng v\u1ea5n tr\u1ef1c ti\u1ebfp ng\u01b0\u1eddi kinh doanh ho\u1eb7c s\u1ea3n xu\u1ea5t c\u00e1 c\u1ea3nh t\u1ea1i khu v\u1ef1c kh\u1ea3o s\u00e1t\u00a0d\u1ef1a theo c\u00e2u h\u1ecfi \u0111\u01b0\u1ee3c so\u1ea1n s\u1eb5n tr\u00ean phi\u1ebfu \u0111i\u1ec1u tra. Nghi\u00ean c\u1ee9u ti\u1ebfn h\u00e0nh \u0111i\u1ec1u tra, kh\u1ea3o s\u00e1t v\u1ec1 c\u00e1c ki\u1ec3u h\u00ecnh c\u00e1 Oranda hi\u1ec7n nay tr\u00ean th\u1ecb tr\u01b0\u1eddng, ki\u1ec3u h\u00ecnh n\u00e0o c\u00f3 gi\u00e1 tr\u1ecb, xu h\u01b0\u1edbng ch\u1ecdn nu\u00f4i ki\u1ec3u h\u00ecnh c\u00e1 Oranda hi\u1ec7n nay tr\u00ean th\u1ecb tr\u01b0\u1eddng c\u00e1 c\u1ea3nh t\u1ea1i Th\u00e0nh ph\u1ed1 H\u1ed3 Ch\u00ed Minh. Kh\u1ea3o s\u00e1t \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ea1i 60 h\u1ed9 kinh doanh v\u00e0 s\u1ea3n xu\u1ea5t c\u00e1 c\u1ea3nh, chia th\u00e0nh 3 v\u00f9ng, m\u1ed7i v\u00f9ng th\u1ef1c hi\u1ec7n kh\u1ea3o s\u00e1t 20 c\u01a1 s\u1edf. C\u00e1c c\u01a1 s\u1edf \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn \u0111\u1ec3 kh\u1ea3o s\u00e1t l\u00e0 c\u00e1c c\u01a1 s\u1edf ho\u1ea1t \u0111\u1ed9ng l\u00e2u n\u0103m ho\u1eb7c c\u00f3 quy m\u00f4 l\u1edbn, c\u00f3 nhi\u1ec1u kinh nghi\u1ec7m trong kinh doanh v\u00e0 s\u1ea3n xu\u1ea5t gi\u1ed1ng c\u00e1 c\u1ea3nh, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1 v\u00e0ng Oranda, trong \u0111\u00f3:<\/span><\/p>\n

      V\u00f9ng 1: c\u00e1c c\u1eeda h\u00e0ng kinh doanh c\u00e1 c\u1ea3nh khu v\u1ef1c trung t\u00e2m Th\u00e0nh ph\u1ed1 H\u1ed3 Ch\u00ed Minh bao g\u1ed3m c\u00e1c ch\u1ee3 kinh doanh bu\u00f4n b\u00e1n c\u00e1 c\u1ea3nh t\u1eadp trung khu v\u1ef1c qu\u1eadn 3, qu\u1eadn 5 v\u00e0 qu\u1eadn 1,… t\u1ea1i khu v\u1ef1c n\u00e0y c\u00e1c c\u1eeda h\u00e0ng ch\u1ee7 y\u1ebfu ch\u1ec9 kinh doanh c\u00e1 c\u1ea3nh, do \u0111\u00f3 th\u00f4ng tin kh\u1ea3o s\u00e1t ch\u1ee7 y\u1ebfu s\u1ef1 \u0111a d\u1ea1ng v\u00e0 kh\u1ea3 n\u0103ng \u01b0a chu\u1ed9ng, ti\u00eau th\u1ee5 c\u1ee7a ng\u01b0\u1eddi nu\u00f4i c\u00e1 c\u1ea3nh \u0111\u1ed1i v\u1edbi c\u00e1 v\u00e0ng Oranda t\u1eeb k\u00edch th\u01b0\u1edbc, m\u00e0u s\u1eafc \u0111\u1ebfn gi\u00e1 th\u00e0nh c\u1ee7a c\u00e1 v\u00e0ng Oranda c\u00f3 m\u1eb7t t\u1ea1i c\u1eeda h\u00e0ng.<\/span><\/p>\n

      V\u00f9ng 2: khu v\u1ef1c qu\u1eadn 7, qu\u1eadn Th\u1ee7 \u0110\u1ee9c, Qu\u1eadn 12, \u2026 \u0111\u00e2y l\u00e0 khu v\u1ef1c c\u00f3 th\u1ec3 v\u1eeba kinh doanh v\u1eeba s\u1ea3n xu\u1ea5t gi\u1ed1ng c\u00e1 v\u00e0ng, t\u1ea1i khu v\u1ef1c n\u00e0y c\u00f3 th\u1ec3 kh\u1ea3o s\u00e1t nhu c\u1ea7u l\u1ea5y c\u00e1 gi\u1ed1ng v\u00e0 c\u00e1 b\u1ed1 m\u1eb9 c\u1ee7a c\u00e1c \u0111\u1ea7u m\u1ed1i kinh doanh c\u00e1 c\u1ea3nh v\u00e0 tr\u1ea1i gi\u1ed1ng, ngo\u00e0i ra thu th\u1eadp th\u00f4ng tin v\u1ec1 ti\u00eau ch\u00ed \u0111\u1ecbnh gi\u00e1 cho c\u00e1 v\u00e0ng Oranda.<\/span><\/p>\n

      V\u00f9ng 3: khu v\u1ef1c huy\u1ec7n H\u00f3c M\u00f4n, C\u1ee7 Chi v\u00e0 B\u00ecnh Ch\u00e1nh l\u00e0 khu v\u1ef1c c\u00f3 c\u00e1c tr\u1ea1i s\u1ea3n xu\u1ea5t gi\u1ed1ng c\u00e1 l\u1edbn, l\u00e2u n\u0103m chuy\u00ean cung c\u1ea5p c\u00e1 cho Th\u00e0nh ph\u1ed1 H\u1ed3 Ch\u00ed Minh v\u00e0 khu v\u1ef1c kh\u00e1c ho\u1eb7c xu\u1ea5t kh\u1ea9u, t\u1ea1i \u0111\u00e2y c\u00f3 th\u1ec3 thu th\u1eadp th\u00f4ng tin v\u1ec1 xu h\u01b0\u1edbng c\u00e1 v\u00e0ng Oranda chung tr\u00ean th\u1ecb tr\u01b0\u1eddng c\u00e1 c\u1ea3nh, \u0111\u1ed3ng th\u1eddi c\u00e1c ti\u00eau ch\u00ed \u0111\u00e1nh gi\u00e1 c\u00e1 v\u00e0ng Oranda c\u00f3 gi\u00e1 tr\u1ecb kinh t\u1ebf theo nhu c\u1ea7u th\u1ecb tr\u01b0\u1eddng, ngu\u1ed3n c\u00e1 b\u1ed1 m\u1eb9 trong s\u1ea3n xu\u1ea5t c\u00e1 gi\u1ed1ng.<\/span><\/p>\n

      Th\u00f4ng tin t\u1eeb 3 v\u00f9ng kh\u1ea3o s\u00e1t\u00a0\u0111\u01b0\u1ee3c thu th\u1eadp, so s\u00e1nh v\u00e0\u00a0t\u1ed5ng h\u1ee3p \u0111\u1ec3 \u0111\u01b0a ra b\u1ea3ng\u00a0\u0111\u00e1nh gi\u00e1 ti\u00eau chu\u1ea9n ki\u1ec3u \u0111\u1ea7u l\u00e2n \u0111\u1eb9p c\u00f3 gi\u00e1 tr\u1ecb cao c\u1ee7a c\u00e1 v\u00e0ng Oranda, xu h\u01b0\u1edbng ch\u1ecdn c\u00e1 \u0111\u1eb9p hi\u1ec7n t\u1ea1i. B\u00ean c\u1ea1nh \u0111\u00f3, c\u00e1c th\u00f4ng tin kh\u00e1c c\u0169ng \u0111\u01b0\u1ee3c ghi nh\u1eadn nh\u01b0 c\u00e1c ki\u1ec3u h\u00ecnh c\u00e1 v\u00e0ng Oranda ph\u1ed5 bi\u1ebfn nu\u00f4i hi\u1ec7n nay; th\u00f4ng tin v\u1ec1 k\u1ef9 thu\u1eadt nu\u00f4i; \u0111i\u1ec1u ki\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc; ph\u00f2ng tr\u1ecb b\u1ec7nh trong qu\u00e1 tr\u00ecnh nu\u00f4i. Qua \u0111\u00f3, tuy\u1ec3n ch\u1ecdn \u0111\u01b0\u1ee3c 3 ki\u1ec3u \u0111\u1ea7u l\u00e2n c\u00f3 gi\u00e1 tr\u1ecb cao, nu\u00f4i v\u1ed7 v\u00e0 sinh 3 ki\u1ec3u h\u00ecnh (c\u0103n c\u1ee9 v\u00e0o \u0111\u1ea7u l\u00e2n l\u00e0 ch\u1ee7 y\u1ebfu) \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 s\u1ef1 thay \u0111\u1ed5i ki\u1ec3u h\u00ecnh \u1edf \u0111\u00e0n c\u00e1 con so v\u1edbi c\u00e1 b\u1ed1 m\u1eb9; t\u1eeb \u0111\u00f3, gi\u00fap ng\u01b0\u1eddi ch\u01a1i c\u00e1 c\u1ea3nh c\u00f3 th\u1ec3 t\u1ef1 ch\u1ee7 \u0111\u1ed9ng nh\u1eadn \u0111\u1ecbnh \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb c\u1ee7a c\u00e1c d\u00f2ng c\u00e1 v\u00e0ng Oranda tr\u00ean th\u1ecb tr\u01b0\u1eddng.<\/span><\/p>\n

      2.3. Th\u1eddi gian v\u00e0 \u0111\u1ecba \u0111i\u1ec3m nghi\u00ean c\u1ee9u<\/strong><\/span><\/p>\n

      Nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1eeb th\u00e1ng 6\/2022 \u0111\u1ebfn th\u00e1ng 7\/2022 t\u1ea1i 60 c\u01a1 s\u1edf kinh doanh v\u00e0 s\u1ea3n xu\u1ea5t c\u00e1 c\u1ea3nh tr\u00ean \u0111\u1ecba b\u00e0n Th\u00e0nh ph\u1ed1 H\u1ed3 Ch\u00ed Minh, bao g\u1ed3m: 3 v\u00f9ng (v\u00f9ng 1: c\u00e1c c\u1eeda h\u00e0ng kinh doanh c\u00e1 c\u1ea3nh khu v\u1ef1c trung t\u00e2m Th\u00e0nh ph\u1ed1 H\u1ed3 Ch\u00ed Minh bao g\u1ed3m c\u00e1c ch\u1ee3 kinh doanh bu\u00f4n b\u00e1n c\u00e1 c\u1ea3nh t\u1eadp trung khu v\u1ef1c qu\u1eadn 3, qu\u1eadn 5 v\u00e0 qu\u1eadn 1; v\u00f9ng 2: c\u00e1c c\u1eeda h\u00e0ng c\u00e1 c\u1ea3nh khu v\u1ef1c qu\u1eadn 7, qu\u1eadn Th\u1ee7 \u0110\u1ee9c, Qu\u1eadn 12; v\u00f9ng 3: c\u00e1c tr\u1ea1i s\u1ea3n xu\u1ea5t c\u00e1 v\u00e0ng khu v\u1ef1c huy\u1ec7n H\u00f3c M\u00f4n, C\u1ee7 Chi v\u00e0 B\u00ecnh Ch\u00e1nh).<\/span><\/p>\n

      III. K\u1ebeT QU\u1ea2 V\u00c0 TH\u1ea2O LU\u1eacN<\/strong><\/span><\/p>\n

      Theo m\u00f4 t\u1ea3 c\u1ee7a Smartt (2001), c\u00e1 v\u00e0ng Oranda \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 l\u00e0 d\u00f2ng c\u00e1 c\u00f3 th\u00e2n ng\u1eafn, h\u00ecnh c\u1ea7u, chi\u1ec1u cao th\u00e2n b\u1eb1ng 2\/3 ho\u1eb7c h\u01a1n chi\u1ec1u d\u00e0i c\u01a1 th\u1ec3. C\u00e1c v\u00e2y: c\u00e1 c\u00f3 v\u00e2y l\u01b0ng \u0111\u01a1n, c\u00f3 th\u1ec3 d\u00e0i b\u1eb1ng \u00bd ho\u1eb7c 7\/8 c\u01a1 th\u1ec3 c\u00e1, v\u00e2y h\u1eadu m\u00f4n, v\u00e2y ng\u1ef1c v\u00e0 v\u00e2y b\u1ee5ng l\u00e0 v\u00e2y \u0111\u00f4i, v\u00e2y \u0111u\u00f4i \u0111\u00f4i (\u0111u\u00f4i k\u00e9p) chia \u0111\u00f4i v\u00e0 r\u1ee7 xu\u1ed1ng, d\u00e0i \u00be chi\u1ec1u d\u00e0i c\u01a1 th\u1ec3. M\u1eaft b\u00ecnh th\u01b0\u1eddng, kh\u00f4ng l\u1ed3i hay \u0111\u1ed9t bi\u1ebfn. B\u01b0\u1edbu \u0111\u1eb7c tr\u01b0ng ph\u00e1t tri\u1ec3n \u1edf v\u00f9ng \u0111\u1ea7u. M\u00e0u s\u1eafc: m\u00e0u s\u1eafc \u0111a d\u1ea1ng, t\u1eeb c\u00e1c m\u00e0u \u00e1nh kim \u0111\u1ebfn phi kim, t\u1eeb \u0111\u01a1n s\u1eafc \u0111\u1ebfn ng\u0169 hoa (v\u1ea9y mang m\u00e0u s\u1eafc pha tr\u1ed9n \u0111a d\u1ea1ng tr\u00ean th\u00e2n c\u00e1).<\/span><\/p>\n

      \"\"<\/span><\/p>\n

      Hi\u1ec7p h\u1ed9i C\u00e1 v\u00e0ng c\u1ee7a V\u01b0\u01a1ng qu\u1ed1c Anh (2016) c\u0169ng \u0111\u01b0a ra m\u00f4 t\u1ea3, y\u00eau c\u1ea7u \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 c\u00e1 v\u00e0ng Oranda t\u01b0\u01a1ng t\u1ef1: Chi\u1ec1u cao c\u1ee7a c\u01a1 th\u1ec3 x\u1ea5p x\u1ec9 65% chi\u1ec1u d\u00e0i c\u01a1 th\u1ec3; V\u00e2y \u0111u\u00f4i chia \u0111\u00f4i, x\u00f2e r\u1ed9ng, gi\u1eef \u1edf d\u01b0\u1edbi chi\u1ec1u ngang v\u1edbi m\u00e9p \u0111u\u00f4i kh\u00f4ng c\u00f3 kh\u00eda ho\u1eb7c th\u00f9y nh\u1ecdn r\u00f5 r\u00e0ng. Chi\u1ec1u d\u00e0i t\u1ed1i thi\u1ec3u c\u1ee7a v\u00e2y \u0111u\u00f4i l\u00fd t\u01b0\u1edfng l\u00e0 b\u1eb1ng 75% chi\u1ec1u d\u00e0i c\u01a1 th\u1ec3. V\u00e2y l\u01b0ng \u0111\u01a1n l\u1ebb, t\u1ea5t c\u1ea3 c\u00e1c v\u00e2y kh\u00e1c l\u00e0 v\u00e2y \u0111\u00f4i v\u00e0 c\u00e1c chi c\u1ee7a ch\u00fang c\u00f3 h\u00ecnh d\u1ea1ng nh\u1ecdn, b\u01b0\u1edbu tr\u00ean \u0111\u1ea7u ph\u00e1t tri\u1ec3n t\u1ed1t, chi\u1ec1u d\u00e0i c\u01a1 th\u1ec3 t\u1ed1i thi\u1ec3u l\u00e0 5,5 cm (2\u00bc inch). C\u00e1 ph\u1ea3i c\u00f3 m\u00e0u s\u1eafc s\u00e1ng, kh\u1ecfe m\u1ea1nh, c\u01a1 th\u1ec3 ph\u1ea3i ng\u1eafn v\u00e0 tr\u00f2n tr\u1ecba v\u1edbi \u0111\u01b0\u1eddng vi\u1ec1n m\u01b0\u1ee3t m\u00e0. V\u00e2y l\u01b0ng ph\u1ea3i nh\u00f4 cao v\u00e0 d\u1ef1ng \u0111\u1ee9ng, v\u00e2y \u0111u\u00f4i \u0111\u01b0\u1ee3c chia \u0111\u1ec1u v\u00e0 r\u1ee7 xu\u1ed1ng m\u1ed9t c\u00e1ch duy\u00ean d\u00e1ng. B\u01b0\u1edbu ph\u1ea3i \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n t\u1ed1t \u1edf c\u1ea3 ba khu v\u1ef1c h\u1ed9p s\u1ecd, v\u00f9ng d\u01b0\u1edbi \u1ed5 m\u1eaft v\u00e0 n\u1eafp mang.<\/span><\/p>\n

      3.1. Th\u00f4ng tin chung v\u1ec1 th\u1ecb tr\u01b0\u1eddng ti\u00eau th\u1ee5 c\u00e1 v\u00e0ng Oranda t\u1ea1i Th\u00e0nh ph\u1ed1 H\u1ed3 Ch\u00ed Minh<\/strong><\/span><\/p>\n

      Theo k\u1ebft qu\u1ea3 kh\u1ea3o s\u00e1t tr\u00ean th\u1ecb tr\u01b0\u1eddng c\u00f3 2 nh\u00f3m c\u00e1 v\u00e0ng Oranda: nh\u00f3m th\u1ee9 nh\u1ea5t c\u00f3 \u0111u\u00f4i d\u00e0i (long tail) chi\u1ebfm 60 – 75% t\u1ec9 l\u1ec7 chi\u1ec1u d\u00e0i c\u01a1 th\u1ec3, v\u1edbi ph\u1ea7n b\u01b0\u1edbu ph\u00e1t tri\u1ec3n tr\u00f2n \u0111\u1ec1u tr\u00ean \u0111\u1ec9nh \u0111\u1ea7u, \u0111\u00e2y l\u00e0 d\u00f2ng c\u00e1 Oranda truy\u1ec1n th\u1ed1ng; nh\u00f3m th\u1ee9 hai c\u00e1 \u0111\u01b0\u1ee3c c\u00e1c c\u01a1 s\u1edf v\u00e0 c\u00e1c tr\u1ea1i s\u1ea3n xu\u1ea5t gi\u1edbi thi\u1ec7u l\u00e0 d\u00f2ng c\u00e1 Oranda \u0111\u00e3 \u0111\u01b0\u1ee3c lai t\u1ea1o theo s\u1edf th\u00edch v\u00e0 xu h\u01b0\u1edbng c\u1ee7a ng\u01b0\u1eddi ch\u01a1i v\u1edbi c\u01a1 th\u1ec3 ng\u1eafn, thon g\u1ecdn, \u0111u\u00f4i ng\u1eafn (short tail), c\u00e1 \u0111\u01b0\u1ee3c lai gi\u1eefa d\u00f2ng oranda truy\u1ec1n th\u1ed1ng v\u1edbi c\u00e1c d\u00f2ng c\u00e1 v\u00e0ng kh\u00e1c. V\u1edbi ki\u1ec3u \u0111\u1ea7u l\u00e2n to\u00e0n \u0111\u1ea7u c\u00f3 ngu\u1ed3n g\u1ed1c c\u00e1 b\u1ed1 m\u1eb9 t\u1eeb n\u1ed9i \u0111\u1ecba chi\u1ebfm 45%, nh\u1eadp n\u1ed9i t\u1eeb c\u00e1c n\u01b0\u1edbc nh\u01b0 Indonesia, Th\u00e1i Lan, \u0110\u00e0i Loan, Trung Qu\u1ed1c chi\u1ebfm 55% v\u1edbi s\u1ea3n l\u01b0\u1ee3ng ti\u00eau th\u1ee5 t\u1eeb 1.000 – 5.000 con\/c\u01a1 s\u1edf\/th\u00e1ng ch\u1ee7 y\u1ebfu ti\u00eau th\u1ee5 trong n\u01b0\u1edbc (100%). Gi\u00e1 b\u00e1n c\u00e1 v\u00e0ng Oranda v\u1edbi d\u00f2ng n\u1ed9i \u0111\u1ecba dao \u0111\u1ed9ng t\u1eeb 30.000 \u0111 – 400.000\/con, trong khi c\u00e1 nh\u1eadp n\u1ed9i c\u00f3 gi\u00e1 cao h\u01a1n g\u1ea5p 10 l\u1ea7n (1 tri\u1ec7u – 6 tri\u1ec7u\/con) t\u00f9y ngu\u1ed3n g\u1ed1c, h\u00ecnh d\u00e1ng v\u00e0 k\u00edch th\u01b0\u1edbc.<\/span><\/p>\n

      Nh\u00ecn chung, th\u1ecb tr\u01b0\u1eddng ti\u00eau th\u1ee5 c\u00e1 v\u00e0ng Oranda n\u00f3i ri\u00eang v\u00e0 c\u00e1c lo\u1ea1i c\u00e1 v\u00e0ng n\u00f3i chung r\u1ea5t phong ph\u00fa v\u00e0 \u0111a d\u1ea1ng v\u1edbi nhi\u1ec1u m\u00e0u s\u1eafc v\u00e0 k\u00edch c\u1ee1 kh\u00e1c nhau. T\u00f9y theo nhu c\u1ea7u c\u1ee7a ng\u01b0\u1eddi ch\u01a1i s\u1ebd ch\u1ecdn cho m\u00ecnh nh\u1eefng con c\u00e1 Oranda \u0111\u1ea1t chu\u1ea9n v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi kinh t\u1ebf c\u1ee7a m\u00ecnh.<\/span><\/p>\n

      \"\"<\/span><\/p>\n

      3.2. C\u00e1c ki\u1ec3u h\u00ecnh c\u00e1 v\u00e0ng Oranda c\u00f3 tr\u00ean th\u1ecb tr\u01b0\u1eddng c\u00e1 c\u1ea3nh<\/strong><\/span><\/p>\n

      D\u1ef1a v\u00e0o ti\u00eau chu\u1ea9n \u0111\u00e1nh gi\u00e1 c\u00e1 v\u00e0ng c\u1ee7a Li\u00ean \u0111o\u00e0n c\u00e1c Hi\u1ec7p h\u1ed9i th\u1ee7y s\u1ea3n Anh (2002)\u00a0v\u00e0 ti\u00eau chu\u1ea9n c\u00e1 v\u00e0ng c\u1ee7a Hi\u1ec7p h\u1ed9i C\u00e1 v\u00e0ng V\u01b0\u01a1ng qu\u1ed1c Anh (2016), nh\u00f3m nghi\u00ean c\u1ee9u ti\u1ebfn h\u00e0nh kh\u1ea3o s\u00e1t, ghi nh\u1eadn \u0111\u00e1nh gi\u00e1 c\u00e1c ch\u1ec9 ti\u00eau c\u00e1 v\u00e0ng tr\u00ean th\u1ecb tr\u01b0\u1eddng c\u00e1 c\u1ea3nh c\u1ee7a Th\u00e0nh ph\u1ed1 H\u1ed3 Ch\u00ed Minh.<\/span><\/p>\n

      Theo kh\u1ea3o s\u00e1t m\u1ed7i c\u01a1 s\u1edf c\u00f3 t\u1eeb m\u1ed9t \u0111\u1ebfn hai ki\u1ec3u h\u00ecnh c\u00e1 Oranda t\u1eeb c\u00e1 th\u01b0\u1eddng cho \u0111\u1ebfn c\u00e1 c\u00f3 gi\u00e1 tr\u1ecb cao. Nh\u00f3m c\u00e1 Oranda c\u00f3 b\u01b0\u1edbu ph\u00e1t tri\u1ec3n to\u00e0n \u0111\u1ea7u quan s\u00e1t \u0111\u01b0\u1ee3c v\u1edbi t\u1ec9 l\u1ec7 25%, nh\u00f3m c\u00e1 c\u00f3 b\u01b0\u1edbu ph\u00e1t tri\u1ec3n tr\u00ean \u0111\u1ec9nh \u0111\u1ea7u v\u00e0 m\u00e1 (cao \u0111\u1ea7u) chi\u1ebfm t\u1ec9 l\u1ec7 31,67%, nh\u00f3m c\u00e1 kh\u00f4ng c\u00f3 b\u01b0\u1edbu ho\u1eb7c b\u01b0\u1edbu ph\u00e1t tri\u1ec3n r\u1ea5t \u00edt (thi\u1ebfu \u0111\u1ea7u) chi\u1ebfm t\u1ec9 l\u1ec7 cao nh\u1ea5t l\u00e0 43,33%.<\/span><\/p>\n

      V\u1ec1 h\u00ecnh d\u00e1ng th\u00e2n: \u0111\u1ed1i v\u1edbi c\u00e1 v\u00e0ng Oranda c\u00f3 th\u00e2n h\u00ecnh to tr\u00f2n \u0111\u1ec1u, c\u00e2n \u0111\u1ed1i so v\u1edbi to\u00e0n b\u1ed9 c\u01a1 th\u1ec3 (ph\u1ea7n th\u00e2n \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 \u0111\u1ea1t chu\u1ea9n khi chi\u1ebfm 1\/3 chi\u1ec1u d\u00e0i c\u01a1 th\u1ec3) chi\u1ebfm t\u1ec9 l\u1ec7 75% tr\u00ean th\u1ecb tr\u01b0\u1eddng. C\u00e1c nh\u00f3m c\u00e1 Oranda c\u00f2n l\u1ea1i v\u1edbi ph\u1ea7n th\u00e2n thu\u00f4n d\u00e0i, kh\u00f4ng theo t\u1ec9 l\u1ec7 chu\u1ea9n chi\u1ebfm t\u1ec9 l\u1ec7 25% ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c tr\u01b0ng b\u00e0y \u1edf c\u00e1c c\u1eeda h\u00e0ng bu\u00f4n b\u00e1n c\u00e1 c\u1ea3nh v\u1edbi gi\u00e1 r\u1ebb (20 – 50.000 \u0111\u1ed3ng). \u1ede nh\u00f3m c\u00e1 n\u00e0y, k\u1ebft qu\u1ea3 kh\u1ea3o s\u00e1t chi\u1ebfm t\u1ec9 l\u1ec7 \u00edt l\u00e0 do trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t gi\u1ed1ng, th\u01b0\u1eddng c\u00e1c tr\u1ea1i gi\u1ed1ng \u0111\u00e3 lo\u1ea1i nh\u00f3m c\u00e1 c\u00f3 ki\u1ec3u h\u00ecnh x\u1ea5u, l\u1ed7i \u1edf giai \u0111o\u1ea1n nh\u1ecf d\u00f9ng l\u00e0m c\u00e1 m\u1ed3i \u0111\u1ec3 gi\u1ea3m chi ph\u00ed th\u1ee9c \u0103n.<\/span><\/p>\n

      V\u1ec1 h\u00ecnh d\u00e1ng b\u1ee5ng: c\u00e1 v\u00e0ng Oranda v\u1edbi ph\u1ea7n b\u1ee5ng to c\u00e2n \u0111\u1ed1i tr\u00f2n \u0111\u1ec1u h\u00ecnh tr\u1ee9ng chi\u1ebfm t\u1ec9 l\u1ec7 75%, s\u1ed1 c\u00f2n l\u1ea1i c\u00f3 b\u1ee5ng teo t\u00f3p chi\u1ebfm t\u1ec9 l\u1ec7 25%. Nh\u00f3m c\u00e1 v\u1edbi ph\u1ea7n l\u01b0ng t\u01b0\u01a1ng \u0111\u1ed1i th\u1eb3ng, d\u00e0i, h\u1ee3p v\u1edbi \u0111u\u00f4i 1 g\u00f3c nh\u1ecf chi\u1ebfm t\u1ec9 l\u1ec7 48,33%, nh\u00f3m c\u00e1 c\u00f2n l\u1ea1i v\u1edbi ph\u1ea7n l\u01b0ng b\u1ecb g\u00e3y, kh\u00f4ng cong \u0111\u1ec1u chi\u1ebfm t\u1ec9 l\u1ec7 15%.<\/span><\/p>\n

      V\u1ec1 ki\u1ec3u \u0111u\u00f4i, tr\u00ean th\u1ecb tr\u01b0\u1eddng xu\u1ea5t hi\u1ec7n 2 nh\u00f3m: nh\u00f3m c\u00e1 \u0111u\u00f4i d\u00e0i (long tail) chi\u1ebfm t\u1ec9 l\u1ec7 51,67%, nh\u00f3m c\u00e1 \u0111u\u00f4i ng\u1eafn (short tail) chi\u1ebfm t\u1ec9 l\u1ec7 49,33%. Trong qu\u00e1 tr\u00ecnh kh\u1ea3o s\u00e1t c\u00e1 v\u00e0ng Oranda xu\u1ea5t hi\u1ec7n 3 nh\u00f3m v\u1ea3y: v\u1ea3y \u00e1nh kim (metallic) chi\u1ebfm t\u1ec9 l\u1ec7 33,33%, v\u1ea3y \u00e1nh x\u00e0 c\u1eeb (calico) chi\u1ebfm t\u1ec9 l\u1ec7 31,67%, v\u1ea3y m\u1edd (v\u1ea3y c\u00f3 m\u00e0u gi\u1ed1ng v\u1edbi th\u00e2n c\u00e1, th\u01b0\u1eddng trong su\u1ed1t kh\u00f3 quan s\u00e1t, khi nh\u00ecn c\u1ea3m gi\u00e1c c\u00e1 kh\u00f4ng c\u00f3 v\u1ea3y) chi\u1ebfm t\u1ec9 l\u1ec7 35%. Ngo\u00e0i h\u00ecnh d\u00e1ng, c\u00e1 v\u00e0ng Oranda tr\u00ean th\u1ecb tr\u01b0\u1eddng xu\u1ea5t hi\u1ec7n 4 nh\u00f3m m\u00e0u bao g\u1ed3m: \u0111\u1ecf ho\u00e0n to\u00e0n (full red Oranda) chi\u1ebfm t\u1ec9 l\u1ec7 cao nh\u1ea5t (66,67%), \u0111\u1ecf tr\u1eafng (red white Oranda) chi\u1ebfm t\u1ec9 l\u1ec7 21,67%, \u0111en ho\u00e0n to\u00e0n (full black Oranda) chi\u1ebfm t\u1ec9 l\u1ec7 16,67% v\u00e0 ng\u0169 hoa (calico Oranda) chi\u1ebfm t\u1ec9 l\u1ec7 55% theo k\u1ebft qu\u1ea3 tr\u1ea3 l\u1eddi c\u1ee7a ng\u01b0\u1eddi d\u00e2n t\u1ea1i c\u01a1 s\u1edf \u0111i\u1ec1u tra.<\/span><\/p>\n

      T\u1eeb k\u1ebft qu\u1ea3 \u0111i\u1ec1u tra c\u00f3 th\u1ec3 th\u1ea5y: nh\u00f3m c\u00e1 Oranda c\u00f3 m\u00e0u \u0111\u1ecf v\u00e0 ng\u0169 hoa v\u1edbi ph\u1ea7n \u0111\u1ea7u c\u00f3 b\u01b0\u1edbu ph\u00e1t tri\u1ec3n \u0111\u1ea7y \u0111\u1eb7n, th\u00e2n m\u00ecnh c\u00e2n \u0111\u1ed1i, thon g\u1ecdn, v\u1edbi k\u00edch th\u01b0\u1edbc dao \u0111\u1ed9ng t\u1eeb 8 – 12 cm c\u00f3 gi\u00e1 kh\u00e1 cao tr\u00ean th\u1ecb tr\u01b0\u1eddng (500.000 – 5.000.000 \u0111\u1ed3ng t\u00f9y thu\u1ed9c v\u00e0o ngu\u1ed3n g\u1ed1c c\u00e1 trong hay ngo\u00e0i n\u01b0\u1edbc).<\/span><\/p>\n

      Ngo\u00e0i ra, trong qu\u00e1 tr\u00ecnh kh\u1ea3o s\u00e1t nh\u00f3m ghi nh\u1eadn c\u00e1 c\u00f3 ki\u1ec3u h\u00ecnh t\u01b0\u01a1ng t\u1ef1 nh\u01b0 Oranda, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 shorttail Oranda \u0111ang l\u00e0 xu th\u1ebf chi\u1ebfm s\u1ed1 l\u01b0\u1ee3ng ph\u1ed5 bi\u1ebfn nh\u01b0ng khi so s\u00e1nh v\u1edbi ti\u00eau chu\u1ea9n (B\u1ea3ng ti\u00eau chu\u1ea9n to\u00e0n qu\u1ed1c\u00a0v\u1ec1 c\u00e1 v\u00e0ng\u00a0c\u1ee7a\u00a0V\u01b0\u01a1ng qu\u1ed1c Anh \u0111\u01b0\u1ee3c s\u1eeda \u0111\u1ed5i n\u0103m 2016) th\u00ec \u0111\u00e2y l\u00e0 c\u00e1 lai kh\u00f4ng \u0111\u1ea1t chu\u1ea9n Oranda truy\u1ec1n th\u1ed1ng.<\/span><\/p>\n

      3.3. Ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn c\u00e1 v\u00e0ng Oranda c\u00f3 ki\u1ec3u h\u00ecnh \u0111\u1eb9p<\/strong><\/span><\/p>\n

      \u0110\u1ec3 l\u1ef1a ch\u1ecdn \u0111\u01b0\u1ee3c m\u1ed9t con c\u00e1 v\u00e0ng Oranda chu\u1ea9n, \u0111\u1eb9p c\u1ea3 v\u1ec1 h\u00ecnh d\u00e1ng v\u00e0 k\u00edch th\u01b0\u1edbc l\u00e0 r\u1ea5t kh\u00f3 v\u00e0 t\u00f9y thu\u1ed9c v\u00e0o c\u1ea3m nh\u1eadn, ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn c\u1ee7a ng\u01b0\u1eddi ch\u01a1i. Theo ti\u00eau chu\u1ea9n \u0111\u00e1nh gi\u00e1 c\u00e1 v\u00e0ng c\u1ee7a V\u01b0\u01a1ng qu\u1ed1c Anh (2016), ti\u00eau chu\u1ea9n \u0111\u00e1nh gi\u00e1 c\u00e1 v\u00e0ng Oranda g\u1ed3m 5 m\u1ee5c ch\u00ednh: Chi\u1ec1u cao th\u00e2n x\u1ea5p x\u1ec9 65% chi\u1ec1u d\u00e0i c\u01a1 th\u1ec3; v\u00e2y \u0111u\u00f4i chia \u0111\u00f4i, x\u00f2e r\u1ed9ng n\u1eb1m d\u01b0\u1edbi ph\u01b0\u01a1ng ngang, chi\u1ec1u d\u00e0i t\u1ed1i thi\u1ec3u c\u1ee7a v\u00e2y \u0111u\u00f4i l\u00fd t\u01b0\u1edfng nh\u1ea5t l\u00e0 75% chi\u1ec1u d\u00e0i c\u01a1 th\u1ec3; v\u00e2y l\u01b0ng \u0111\u01a1n, t\u1ea5t c\u1ea3 c\u00e1c v\u00e2y kh\u00e1c \u0111\u1ec1u c\u00f3 c\u1eb7p v\u00e0 c\u00e1c chi c\u1ee7a ch\u00fang c\u00f3 d\u1ea1ng nh\u1ecdn; b\u01b0\u1edbu (\u0111\u1ea7u l\u00e2n) ph\u00e1t tri\u1ec3n t\u1ed1t; chi\u1ec1u d\u00e0i th\u00e2n t\u1ed1i thi\u1ec3u l\u00e0 55 mm.<\/span><\/p>\n

      D\u1ef1a v\u00e0o k\u1ebft qu\u1ea3 kh\u1ea3o s\u00e1t v\u00e0 tham kh\u1ea3o ti\u00eau chu\u1ea9n v\u1ec1 c\u00e1 v\u00e0ng Oranda c\u1ee7a V\u01b0\u01a1ng qu\u1ed1c Anh n\u0103m 2016, nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 x\u00e2y d\u1ef1ng b\u1ea3ng ti\u00eau ch\u00ed t\u1ed5ng qu\u00e1t v\u1ec1 h\u00ecnh d\u00e1ng (\u0111\u1ea7u, th\u00e2n, l\u01b0ng, b\u1ee5ng, v\u00e2y l\u01b0ng, \u0111u\u00f4i, v\u1ea3y) v\u00e0 m\u00e0u s\u1eafc \u0111\u1ec3 \u0111\u01b0a ra c\u00e1c thang \u0111i\u1ec3m \u0111\u00e1nh gi\u00e1, chi ti\u1ebft \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y trong b\u1ea3ng 2.<\/span><\/p>\n

      \u00a0<\/strong><\/span><\/p>\n

      \u00a0<\/strong><\/span><\/p>\n

      \u00a0<\/strong><\/span><\/p>\n

      B\u1ea3ng 2. <\/strong>Ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn c\u00e1 v\u00e0ng Oranda c\u00f3 ki\u1ec3u h\u00ecnh \u0111\u1eb9p<\/span><\/p>\n\n\n\n\n\n\n\n\n\n\n
      C\u00e1c ti\u00eau ch\u00ed
      \n\u0111\u00e1nh gi\u00e1
      \nOranda \u0111\u1eb9p<\/strong><\/span><\/td>\n      		M\u00f4 t\u1ea3 \u0111\u1eb7c \u0111i\u1ec3m<\/strong><\/span><\/td>\nT\u1ed5ng \u0111i\u1ec3m t\u1ed1i \u0111a<\/strong><\/span><\/p>\n

      (100 \u0111)<\/strong><\/span><\/td>\n<\/tr>\n

      T\u1ed5ng qu\u00e1t<\/span><\/td>\nX\u00e9t v\u1ec1 t\u1ed5ng th\u1ec3 h\u00ecnh d\u00e1ng c\u00e2n \u0111\u1ed1i:<\/span><\/p>\n

      – Chi\u1ec1u r\u1ed9ng th\u00e2n b\u1eb1ng 2\/3 chi\u1ec1u d\u00e0i th\u00e2n ho\u1eb7c chi\u1ec1u r\u1ed9ng th\u00e2n b\u1eb1ng chi\u1ec1u d\u00e0i th\u00e2n (h\u00ecnh tr\u1ee9ng).<\/span><\/p>\n

      – Chi\u1ec1u cao th\u00e2n chi\u1ebfm 65% chi\u1ec1u d\u00e0i c\u01a1 th\u1ec3<\/span><\/p>\n

      – B\u1ee5ng tr\u00f2n \u0111\u1ec1u, c\u00e2n \u0111\u1ed1i, kh\u00f4ng teo t\u00f3p.<\/span><\/p>\n

      – L\u01b0ng c\u00e2n \u0111\u1ec1u theo th\u00e2n h\u1ee3p v\u1edbi v\u00e2y \u0111u\u00f4i 1 g\u00f3c t\u1eeb 45 \u0111\u1ed9, kh\u00f4ng \u0111\u1ee9t qu\u00e3ng, kh\u00f4ng v\u1eb9o 1 b\u00ean.<\/span><\/td>\n

      		31,5<\/span><\/td>\n<\/tr>\n
      \u0110\u1ea7u<\/span><\/td>\n– \u0110\u1ea7u c\u00e2n \u0111\u1ed1i, r\u1ed9ng, k\u00edch th\u01b0\u1edbc \u0111\u1ea7u ph\u1ea3i c\u00e2n x\u1ee9ng khi k\u1ebft h\u1ee3p v\u1edbi th\u00e2n.<\/span><\/p>\n

      – B\u01b0\u1edbu ph\u00e1t tri\u1ec3n to\u00e0n \u0111\u1ea7u: \u0111\u1ec9nh \u0111\u1ea7u, m\u1eb7t b\u00ean, n\u1eafp mang, h\u1ea7u.<\/span><\/td>\n

      		13,5<\/span><\/td>\n<\/tr>\n
      V\u00e2y \u0111u\u00f4i<\/span><\/td>\n– V\u00e2y \u0111u\u00f4i chia \u0111\u00f4i, x\u00f2e r\u1ed9ng, gi\u1eef \u1edf d\u01b0\u1edbi chi\u1ec1u ngang v\u1edbi m\u00e9p \u0111u\u00f4i kh\u00f4ng c\u00f3 kh\u00eda ho\u1eb7c th\u00f9y nh\u1ecdn r\u00f5 r\u00e0ng. Chi\u1ec1u d\u00e0i t\u1ed1i thi\u1ec3u c\u1ee7a v\u00e2y \u0111u\u00f4i l\u00fd t\u01b0\u1edfng l\u00e0 b\u1eb1ng 75% chi\u1ec1u d\u00e0i c\u01a1 th\u1ec3<\/span><\/p>\n

      – C\u00e1c ph\u00e2n th\u00f9y v\u00e2y \u0111u\u00f4i ph\u00e2n bi\u1ec7t r\u00f5 r\u00e0ng nh\u01b0 h\u00ecnh nan qu\u1ea1t.<\/span><\/p>\n

      – Kh\u00f4ng g\u00e3y, kh\u00f4ng b\u1ecb d\u1ecb t\u1eadt, kh\u00f4ng b\u1ecb ch\u1ec9 m\u00e1u<\/span><\/td>\n

      		18,5<\/span><\/td>\n<\/tr>\n
      M\u00e0u s\u1eafc v\u00e0 t\u1ec9 l\u1ec7<\/span><\/td>\nM\u00e0u s\u1eafc ph\u1ea3i \u0111\u1eadm, r\u1ef1c r\u1ee1; C\u00f3 s\u1ef1 \u0111\u1ed3ng b\u1ed9 nh\u1ea5t qu\u00e1n v\u1edbi m\u00e0u c\u1ee7a v\u00e2y, v\u1ea9y, v\u00e0 ph\u1ea7n b\u01b0\u1edbu \u0111\u1ea7u; Kh\u00f4ng phai m\u00e0u theo th\u1eddi gian trong \u0111i\u1ec1u ki\u1ec7n l\u00fd t\u01b0\u1edfng; Kh\u00f4ng loang l\u1ed5 nh\u1ee3t nh\u1ea1t.<\/span><\/td>\n14<\/span><\/td>\n<\/tr>\n
      D\u00e1ng b\u01a1i<\/span><\/td>\nNh\u1eb9 nh\u00e0ng, uy\u1ec3n chuy\u1ec3n, c\u00e2n b\u1eb1ng, kh\u00f4ng b\u1ecb c\u1eafm \u0111\u1ea7u xu\u1ed1ng ho\u1eb7c kh\u00f3 kh\u0103n khi b\u01a1i xu\u1ed1ng, kh\u00f4ng ng\u1eeda b\u1ee5ng l\u00ean m\u1eb7t n\u01b0\u1edbc<\/span><\/td>\n12,5<\/span><\/td>\n<\/tr>\n
      V\u00e2y<\/span><\/td>\nV\u00e2y ng\u1ef1c, v\u00e2y b\u1ee5ng v\u00e0 v\u00e2y h\u1eadu m\u00f4n ph\u1ea3i nh\u1ecf, tr\u00f2n t\u01b0\u01a1ng \u1ee9ng v\u1edbi \u0111u\u00f4i. V\u00e2y h\u1eadu m\u00f4n kh\u00f4ng \u0111\u01b0\u1ee3c nh\u00f4 ra khi quan s\u00e1t t\u1eeb b\u00ean tr\u00ean.<\/span><\/td>\n5<\/span><\/td>\n<\/tr>\n
      Ti\u00eau ch\u00ed kh\u00e1c<\/span><\/td>\nC\u00f3 m\u1ed9t ho\u1eb7c v\u00e0i \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt m\u00e0 c\u00e1c c\u00e1 c\u00f2n l\u1ea1i kh\u00f4ng c\u00f3 v\u00ed d\u1ee5 nh\u01b0: ph\u1ea7n b\u01b0\u1edbu c\u00f3 m\u00e0u \u0111\u1ecf tr\u00ean ch\u00f3p \u0111\u1ea7u, v\u1ea3y c\u00f3 m\u00e0u s\u1eafc \u0111\u1eb7c bi\u1ec7t,\u2026..(ti\u00eau ch\u00ed n\u00e0y l\u00e0 \u0111i\u1ec3m s\u1ed1 \u0111\u1ea1t t\u1ed1i \u0111a \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 ch\u1ee7 y\u1ebfu d\u1ef1a v\u00e0o c\u1ea3m quan).<\/span><\/td>\n5<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \n

      Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 x\u00e2y d\u1ef1ng b\u1ea3ng ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn c\u00e1 v\u00e0ng Oranda c\u00f3 ki\u1ec3u h\u00ecnh \u0111\u1eb9p \u0111\u1ea1t chu\u1ea9n theo thang \u0111i\u1ec3m t\u1ed1i \u0111a l\u00e0 100 \u0111i\u1ec3m bao g\u1ed3m:<\/span><\/p>\n

      X\u00e9t v\u1ec1 t\u1ed5ng th\u1ec3 h\u00ecnh d\u00e1ng c\u00e2n \u0111\u1ed1i chi\u1ebfm 31,5 \u0111i\u1ec3m trong \u0111\u00f3 x\u00e9t v\u1ec1 chi\u1ec1u r\u1ed9ng th\u00e2n b\u1eb1ng 2\/3 chi\u1ec1u d\u00e0i th\u00e2n ho\u1eb7c chi\u1ec1u r\u1ed9ng th\u00e2n b\u1eb1ng chi\u1ec1u d\u00e0i th\u00e2n (h\u00ecnh tr\u1ee9ng), chi\u1ec1u cao th\u00e2n chi\u1ebfm 65% chi\u1ec1u d\u00e0i c\u01a1 th\u1ec3, \u0111\u1eb7c bi\u1ec7t ph\u1ea7n b\u01b0\u1edbu tr\u00ean \u0111\u1ea7u \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n t\u1ed1t. Ti\u1ebfp theo l\u00e0 v\u00e2y \u0111u\u00f4i 18,5 \u0111i\u1ec3m, v\u00e2y \u0111u\u00f4i ph\u1ea3i d\u00e0i chi\u1ebfm 75% chi\u1ec1u d\u00e0i c\u01a1 th\u1ec3, v\u00e2y \u0111u\u00f4i ng\u1eafn v\u00e0 c\u00f3 xu h\u01b0\u1edbng nh\u00f4 cao (\u0111u\u00f4i qu\u1ea1t) \u0111\u01b0\u1ee3c cho l\u00e0 c\u00e1 lai kh\u00f4ng \u0111\u00fang v\u1edbi d\u00f2ng c\u00e1 Oranda chu\u1ea9n s\u1ebd b\u1ecb lo\u1ea1i. K\u1ebf \u0111\u1ebfn l\u00e0 \u0111\u1ea7u v\u00e0 m\u1eaft chi\u1ebfm 13,5 \u0111i\u1ec3m, m\u00e0u s\u1eafc chu\u1ea9n kh\u00f4ng loang l\u1ed5 nh\u1ee3t nh\u1ea1t, d\u00e1ng b\u01a1i chi\u1ebfm 12,5 \u0111i\u1ec3m, v\u00e2y chi\u1ebfm 5 \u0111i\u1ec3m v\u00e0 c\u00e1c ti\u00eau ch\u00ed n\u1ed5i b\u1eadt c\u00f2n l\u1ea1i 5 \u0111i\u1ec3m (B\u1ea3ng 2).<\/span><\/p>\n

      B\u00ean c\u1ea1nh \u0111\u00f3, \u0111\u1ed1i v\u1edbi d\u00f2ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 shorttail Oranda, theo nhu c\u1ea7u \u01b0a chu\u1ed9ng c\u1ee7a th\u1ecb tr\u01b0\u1eddng c\u00e1 c\u1ea3nh, d\u00f2ng c\u00e1 n\u00e0y ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng, t\u1ea1i c\u00e1c cu\u1ed9c thi v\u1ec1 sinh v\u1eadt c\u1ea3nh c\u0169ng c\u00f3 nh\u1eefng h\u1ea1ng m\u1ee5c thi d\u00e0nh cho d\u00f2ng c\u00e1 n\u00e0y, ti\u00eau chu\u1ea9n ch\u1ea5m \u0111i\u1ec3m ch\u1ee7 y\u1ebfu d\u1ef1a v\u00e0o t\u1ef7 l\u1ec7 chi\u1ec1u d\u00e0i th\u00e2n v\u00e0 chi\u1ec1u cao th\u00e2n, th\u00e2n tr\u00f2n \u0111\u1ec1u, l\u01b0ng cong kh\u00f4ng \u0111\u1ee9t g\u00e3y, s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a ph\u1ea7n b\u01b0\u1edbu tr\u00ean \u0111\u1ea7u v\u00e0 d\u00e1ng b\u01a1i c\u1ee7a c\u00e1. Do \u0111\u00f3, t\u00f9y thu\u1ed9c v\u00e0o nhu c\u1ea7u, s\u1edf th\u00edch c\u1ee7a t\u1eebng c\u00e1 nh\u00e2n m\u00e0 l\u1ef1a ch\u1ecdn ti\u00eau ch\u00ed \u0111\u00e1nh gi\u00e1 th\u00edch h\u1ee3p cho d\u00f2ng t\u1eebng d\u00f2ng c\u00e1 v\u00e0ng Oranda.<\/span><\/p>\n

        \n
      1. K\u1ebeT LU\u1eacN <\/strong><\/span><\/li>\n<\/ol>\n

        Nh\u00ecn chung, \u0111\u1ec3 ch\u1ecdn \u0111\u01b0\u1ee3c 1 con c\u00e1 v\u00e0ng Oranda \u0111\u00fang chu\u1ea9n c\u00f3 ki\u1ec3u h\u00ecnh \u0111\u1eb9p v\u00e0 gi\u00e1 tr\u1ecb cao c\u1ea7n \u0111\u1ea1t t\u1ea5t c\u1ea3 c\u00e1c ti\u00eau ch\u00ed nh\u01b0 b\u01b0\u1edbu ph\u00e1t tri\u1ec3n to\u00e0n \u0111\u1ea7u, l\u01b0ng cong \u0111\u1ec1u, chi\u1ec1u cao th\u00e2n chi\u1ebfm 65% chi\u1ec1u d\u00e0i c\u01a1 th\u1ec3, v\u00e2y l\u01b0ng d\u1ef1ng th\u1eb3ng khi b\u01a1i, v\u00e2y \u0111u\u00f4i ph\u00e1t tri\u1ec3n x\u1ea5p x\u1ec9 2\/3 t\u1ec9 l\u1ec7 th\u00e2n. Tuy nhi\u00ean, t\u00f9y v\u00e0o nhu c\u1ea7u, th\u1ecb hi\u1ebfu v\u00e0 kinh t\u1ebf c\u1ee7a ng\u01b0\u1eddi ch\u01a1i m\u00e0 m\u1ed9t s\u1ed1 ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 thay \u0111\u1ed5i. \u0110\u1ed3ng th\u1eddi c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn m\u1ed9t s\u1ed1 khuy\u1ebft \u0111i\u1ec3m nh\u01b0ng v\u1eabn d\u1ef1a tr\u00ean c\u00e1c ti\u00eau ch\u00ed: \u0111\u1ea7u – th\u00e2n – v\u00e2y \u0111u\u00f4i – v\u00e2y l\u01b0ng – d\u00e1ng b\u01a1i – m\u00e0u s\u1eafc. \u0110\u1ed3ng th\u1eddi \u0111\u1ec3 m\u1ed9t con c\u00e1 v\u00e0ng Oranda \u0111\u1eb9p l\u00e2u d\u00e0i c\u00f2n ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u y\u1ebfu t\u1ed1 nh\u01b0: th\u1ee9c \u0103n, ch\u1ebf \u0111\u1ed9 n\u01b0\u1edbc, \u00e1nh s\u00e1ng, nhi\u1ec7t \u0111\u1ed9 v\u00e0 c\u1ea3 kh\u00f4ng gian s\u1ed1ng c\u1ee7a ch\u00fang.<\/span><\/p>\n

        \n

        Tr\u00edch d\u1eabn: Nguy\u1ec5n H\u1ed3ng Y\u1ebfn v\u00e0 ctv, 2024. \u0110i\u1ec1u tra kh\u1ea3o s\u00e1t ki\u1ec3u h\u00ecnh c\u00e1 v\u00e0ng Oranda tr\u00ean th\u1ecb tr\u01b0\u1eddng c\u00e1 c\u1ea3nh Th\u00e0nh ph\u1ed1 H\u1ed3 Ch\u00ed Minh. T\u1ea1p ch\u00ed Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 N\u00f4ng nghi\u1ec7p Vi\u1ec7t Nam s\u1ed1 03 (154)\/2024, 86-95.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

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