{"id":3362,"date":"2021-02-20T14:18:59","date_gmt":"2021-02-20T14:18:59","guid":{"rendered":"http:\/\/khonggianxanh.online\/?p=3362"},"modified":"2021-02-20T14:18:59","modified_gmt":"2021-02-20T14:18:59","slug":"30-benh-thuong-gap-o-ca-koi-cach-dieu-tri-dut-diem","status":"publish","type":"post","link":"https:\/\/ngutuongvien.vn\/blog\/30-benh-thuong-gap-o-ca-koi-cach-dieu-tri-dut-diem\/","title":{"rendered":"30 B\u1ec7nh th\u01b0\u1eddng g\u1eb7p \u1edf c\u00e1 koi & C\u00e1ch \u0111i\u1ec1u tr\u1ecb d\u1ee9t \u0111i\u1ec3m"},"content":{"rendered":"\n\n
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B\u00e0i vi\u1ebft n\u00e0y s\u1ebd cung c\u1ea5p cho b\u1ea1n r\u1ea5t nhi\u1ec1u lo\u1ea1i b\u1ec7nh m\u00e0 c\u00e1 Koi c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i c\u0169ng nh\u01b0 nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u tr\u1ecb th\u00edch h\u1ee3p nh\u1ea5t. B\u1ea1n c\u00e0ng ch\u1ea9n \u0111o\u00e1n s\u1edbm th\u00ec vi\u1ec7c \u0111i\u1ec1u tr\u1ecb c\u00e0ng tr\u1edf n\u00ean nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n! <\/strong><\/em>H\u00e3y c\u00f9ng tham kh\u1ea3o danh s\u00e1ch 31 b\u1ec7nh ph\u1ed5 bi\u1ebfn nh\u1ea5t th\u01b0\u1eddng g\u1eb7p \u1edf c\u00e1 Koi v\u00e0 tham kh\u1ea3o c\u00e1ch \u0111i\u1ec1u tr\u1ecb do GreenTeck<\/a> t\u00ecm ki\u1ebfm v\u00e0 t\u1ed5ng h\u1ee3p cho b\u1ea1n nh\u00e9!<\/em><\/strong><\/p>\n

1. Ich (b\u1ec7nh \u0111\u1ed1m tr\u1eafng)<\/h2>\n

M\u1ed9t trong nh\u1eefng b\u1ec7nh ph\u1ed5 bi\u1ebfn nh\u1ea5t \u1edf c\u00e1 Koi l\u00e0 Ich (hay c\u00f2n g\u1ecdi l\u00e0 b\u1ec7nh \u0111\u1ed1m tr\u1eafng). N\u00f3 l\u00e0 m\u1ed9t sinh v\u1eadt \u0111\u01a1n b\u00e0o b\u1eaft \u0111\u1ea7u ph\u00e1t tri\u1ec3n trong ao v\u00e0 sau \u0111\u00f3 g\u1eafn v\u00e0o mang c\u1ee7a c\u00e1 Koi khi tr\u01b0\u1edfng th\u00e0nh.<\/p>\n

K\u00fd sinh tr\u00f9ng b\u1ec7nh \u0111\u1ed1m tr\u1eafng ban \u0111\u1ea7u xu\u1ea5t hi\u1ec7n gi\u1ed1ng nh\u01b0 nh\u1eefng h\u1ea1t mu\u1ed1i nh\u1ecf tr\u00ean c\u00e1 Koi, c\u00f3 th\u1ec3 l\u00e0m ch\u1ebft c\u00e1 Koi nh\u1ecf. \u0110\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c ao m\u1eadt \u0111\u1ed9 \u0111\u00f4ng \u0111\u00fac v\u00e0 c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c b\u1ec7nh nhi\u1ec5m tr\u00f9ng do vi khu\u1ea9n kh\u00e1c cho c\u00e1. N\u00f3 th\u01b0\u1eddng sinh ra b\u1edfi ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc k\u00e9m. V\u00ec v\u1eady, \u0111\u1ec3 x\u1eed l\u00fd t\u1eadn g\u1ed1c c\u0103n b\u1ec7nh n\u00e0y, b\u1ea1n c\u1ea7n ph\u1ea3i \u0111i\u1ec1u ch\u1ec9nh n\u01b0\u1edbc th\u00edch h\u1ee3p.<\/p>\n

C\u00e1c lo\u00e0i c\u00e1 nhi\u1ec7t \u0111\u1edbi th\u01b0\u1eddng b\u1ecb b\u1ec7nh \u0111\u1ed1m tr\u1eafng. Tuy nhi\u00ean, n\u00f3 c\u0169ng c\u00f3 th\u1ec3 l\u00e2y nhi\u1ec5m sang c\u00e1 n\u01b0\u1edbc l\u1ea1nh. Ch\u00fang ph\u1ea3i b\u00e1m v\u00e0o c\u00e1 trong v\u00f2ng 48 gi\u1edd sau khi n\u1edf n\u1ebfu kh\u00f4ng ch\u00fang s\u1ebd ch\u1ebft. Khi b\u00e1m v\u00e0o c\u00e1 Koi, vi khu\u1ea9n n\u00e0y s\u1ebd \u0111\u00e0o s\u00e2u v\u00e0o da v\u00e0 \u0103n m\u00f4 c\u1ee7a c\u00e1. Sau khi k\u00ed sinh v\u00e0 \u0103n c\u00e1 kho\u1ea3ng ba tu\u1ea7n, ch\u00fang t\u1ef1 t\u00e1ch ra v\u00e0 di chuy\u1ec3n xu\u1ed1ng \u0111\u00e1y ao \u0111\u1ec3 sinh s\u1ea3n. \u0110\u1ed1m tr\u1eafng n\u1edf ra t\u1eeb c\u00e1c nang d\u01b0\u1edbi \u0111\u00e1y ao v\u00e0 s\u1eed d\u1ee5ng c\u00e1c x\u00fac tu nh\u1ecf nh\u01b0 l\u00f4ng g\u1ecdi l\u00e0 l\u00f4ng mao \u0111\u1ec3 b\u01a1i.<\/p>\n

\u0110i\u1ec1u tr\u1ecb b\u1ec7nh \u0111\u1ed1m tr\u1eafng<\/h3>\n

\"b\u1ec7nh<\/h3>\n

C\u00f3 m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 \u0111i\u1ec1u tr\u1ecb b\u1ec7nh \u0111\u1ed1m tr\u1eafng. \u0110i\u1ec1u \u0111\u1ea7u ti\u00ean, ch\u1ee7 s\u1edf h\u1eefu c\u00e1 koi c\u1ea7n t\u0103ng n\u1ed3ng \u0111\u1ed9 mu\u1ed1i trong ao ho\u1eb7c b\u1ec3 l\u00ean kho\u1ea3ng 0,5% trong kho\u1ea3ng th\u1eddi gian v\u00e0i ng\u00e0y. \u0110\u1ed3ng th\u1eddi t\u0103ng nhi\u1ec7t \u0111\u1ed9 c\u1ee7a n\u01b0\u1edbc d\u1ea7n d\u1ea7n \u0111\u1ebfn gi\u1eefa 80 \u0111\u1ed9 F trong khi t\u0103ng c\u01b0\u1eddng s\u1ee5c kh\u00ed.<\/p>\n

Vi\u1ec7c ki\u1ec3m so\u00e1t n\u00e0y s\u1ebd k\u00e9o d\u00e0i trong kho\u1ea3ng 2 tu\u1ea7n v\u00e0 l\u00e0 c\u00e1ch hi\u1ec7u qu\u1ea3, r\u1ebb h\u01a1n \u0111\u1ec3 \u0111\u1ed1i ph\u00f3 v\u1edbi \u0111\u01a1n b\u00e0o \u0111\u1ed1m tr\u1eafng. Ph\u01b0\u01a1ng ph\u00e1p th\u1ee9 hai l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m v\u00e0 r\u1ea5t hi\u1ec7u qu\u1ea3 \u0111\u1ec3 \u0111\u1ed1i ph\u00f3 v\u1edbi k\u00fd sinh tr\u00f9ng n\u00f3i chung v\u00e0 li\u00ean quan \u0111\u1ebfn malachite green v\u00e0 formalin.<\/p>\n

S\u1eed d\u1ee5ng \u0111\u1ed3ng th\u1eddi c\u1ea3 hai c\u00e1ch ch\u1eafc ch\u1eafn s\u1ebd \u0111em l\u1ea1i hi\u1ec7u qu\u1ea3 ch\u1ed1ng l\u1ea1i b\u1ec7nh \u0111\u1ed1m tr\u1eafng. Nh\u01b0ng b\u1ea1n c\u00f3 th\u1ec3 \u0111i\u1ec1u tr\u1ecb \u0111\u01a1n gi\u1ea3n ch\u1ec9 v\u1edbi malachite green.<\/p>\n

\u0110\u1ed1i v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u tr\u1ecb ng\u1eafn h\u1ea1n, ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n b\u1eb1ng m\u1ed9t l\u01b0\u1ee3ng 1,5 mg malachite xanh cho m\u1ed7i l\u00edt n\u01b0\u1edbc trong t\u1ed1i \u0111a 1 gi\u1edd (ho\u1eb7c 6 mg xanh malachite cho m\u1ed7i gallon n\u01b0\u1edbc). Lu\u00f4n \u0111eo g\u0103ng tay khi x\u1eed l\u00fd c\u1ea3 malachite green v\u00e0 formalin.<\/p>\n

2. Dropsy (b\u1ec7nh x\u00f9 v\u1ea3y)<\/h2>\n

\"b\u1ec7nh<\/h2>\n

C\u00e1 b\u1ecb b\u1ec7nh x\u00f9 v\u1ea3y th\u01b0\u1eddng c\u00f3 d\u1ea5u hi\u1ec7u s\u01b0ng t\u1ea5y ho\u1eb7c tr\u00f3c v\u1ea3y. M\u1eaft c\u1ee7a n\u00f3 s\u1ebd th\u01b0\u1eddng xuy\u00ean b\u1ecb l\u1ed3i ra. N\u1ebfu b\u1ea1n nh\u1eadn th\u1ea5y \u0111i\u1ec1u n\u00e0y, \u0111\u1eebng ng\u1ea7n ng\u1ea1i t\u00e1ch c\u00e1 b\u1ecb nhi\u1ec5m b\u1ec7nh kh\u1ecfi nh\u1eefng con kh\u00e1c. Ch\u00fa \u00fd c\u1ea9n th\u1eadn \u0111\u1ebfn c\u00e1 \u0111\u1ec3 nh\u1eadn th\u1ea5y nh\u1eefng tri\u1ec7u ch\u1ee9ng n\u00e0y c\u00e0ng s\u1edbm c\u00e0ng t\u1ed1t. \u0110i\u1ec1u \u0111\u00f3 gi\u00fap nh\u1eefng con c\u00e1 kh\u00e1c c\u1ee7a b\u1ea1n c\u00f3 c\u01a1 h\u1ed9i s\u1ed1ng s\u00f3t cao h\u01a1n.<\/p>\n

\u0110i\u1ec1u tr\u1ecb b\u1ec7nh x\u00f9 v\u1ea3y<\/h3>\n

Khi b\u1ea1n th\u1ea5y c\u00e1 s\u01b0ng l\u00ean so v\u1edbi b\u00ecnh th\u01b0\u1eddng, c\u00f3 ngh\u0129a l\u00e0 n\u00f3 \u0111\u00e3 b\u1ecb b\u1ec7nh x\u00f9 v\u1ea3y. N\u00ean s\u1eed d\u1ee5ng MedFinn ho\u1eb7c Debride RX \u0111\u1ec3 ng\u0103n ng\u1eeba l\u00e2y nhi\u1ec5m cho nh\u1eefng con c\u00e1 kh\u00e1c c\u1ee7a b\u1ea1n.<\/p>\n

3. Treating tail rot (th\u1ed1i \u0111u\u00f4i ho\u1eb7c v\u00e2y)<\/h2>\n

\"b\u1ec7nh<\/p>\n

Th\u1ed1i \u0111u\u00f4i v\u00e0 th\u1ed1i v\u00e2y c\u00f3 th\u1ec3 l\u00e0 do c\u0103ng th\u1eb3ng ho\u1eb7c ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc k\u00e9m khi\u1ebfn c\u00e1 koi c\u1ee7a b\u1ea1n b\u1ecb suy gi\u1ea3m mi\u1ec5n d\u1ecbch ngay t\u1eeb \u0111\u1ea7u. M\u1ed9t khi ch\u00fang b\u1ecb suy y\u1ebfu th\u00ec vi khu\u1ea9n \u0111\u00e3 c\u00f3 s\u1eb5n s\u1ebd di chuy\u1ec3n g\u00e2y ra nh\u1eefng t\u1ed5n th\u01b0\u01a1ng v\u1eadt l\u00fd cho v\u00e2y c\u00e1 Koi c\u1ee7a b\u1ea1n.<\/p>\n

\u0110i\u1ec1u tr\u1ecb b\u1ec7nh th\u1ed1i \u0111u\u00f4i<\/h3>\n

B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean \u0111\u1ec3 \u0111i\u1ec1u tr\u1ecb b\u1ec7nh n\u00e0y l\u00e0 thay 30-50% n\u01b0\u1edbc trong ao c\u1ee7a b\u1ea1n. S\u1eed d\u1ee5ng Mela-Fix c\u0169ng l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi \u0111\u1ec3 \u0111\u1ed1i ph\u00f3 v\u1edbi vi khu\u1ea9n v\u00e0 b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 th\u00eam mu\u1ed1i v\u00e0o ao \u0111\u1ec3 x\u1eed l\u00fd vi khu\u1ea9n, l\u00e0m gi\u1ea3m m\u1ee9c \u0111\u1ed9 c\u0103ng th\u1eb3ng cho c\u00e1 Koi. N\u1ebfu mu\u1ed1n, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 cho ch\u00fang \u0103n MedFinn (gi\u1ed1ng nh\u01b0 ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u tr\u1ecb \u0111\u1ee5c m\u1eaft).<\/p>\n

4. Mouth rot (th\u1ed1i mi\u1ec7ng)<\/strong><\/h2>\n

Th\u1ed1i mi\u1ec7ng \u1edf c\u00e1 Koi hay ch\u00ednh l\u00e0 l\u1edf mi\u1ec7ng tr\u00f4ng gi\u1ed1ng nh\u01b0 b\u1ec7nh n\u1ea5m. Nguy\u00ean nh\u00e2n do ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc k\u00e9m khi\u1ebfn s\u1ee9c kh\u1ecfe c\u00e1 c\u1ee7a b\u1ea1n b\u1ecb t\u1ed5n h\u1ea1i v\u00e0 d\u1ec5 b\u1ecb nhi\u1ec5m tr\u00f9ng.<\/p>\n

\u0110i\u1ec1u tr\u1ecb b\u1ec7nh th\u1ed1i mi\u1ec7ng<\/h3>\n

\"th\u1ed1i<\/h3>\n

B\u1ea1n n\u00ean ng\u1eebng cho c\u00e1 \u0103n trong l\u00fac n\u00e0y v\u00e0 b\u1eaft \u0111\u1ea7u c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc b\u1eb1ng c\u00e1ch thay n\u01b0\u1edbc 30%.<\/p>\n

Ti\u1ebfp theo s\u1ebd l\u00e0 m\u1ed9t li\u1ec7u ph\u00e1p t\u1eafm mu\u1ed1i nh\u1eb9 v\u00e0 li\u1ec7u ph\u00e1p Mela-Fix. B\u1ea1n n\u00ean theo d\u00f5i ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc c\u1ee7a m\u00ecnh b\u1eb1ng c\u00e1ch ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 l\u1ea5y c\u00e1 v\u00e0 \u0111i\u1ec1u tr\u1ecb v\u1ebft lo\u00e9t b\u1eb1ng hydrogen peroxide ho\u1eb7c i-\u1ed1t.<\/p>\n

5. Chilodonella<\/h2>\n

M\u1ed9t s\u1ed1 d\u1ea5u hi\u1ec7u \u0111i k\u00e8m v\u1edbi k\u00fd sinh tr\u00f9ng \u0111\u01a1n b\u00e0o n\u00e0y l\u00e0 l\u00e0m c\u00e1 ch\u1ebft tr\u00ean b\u1ec1 m\u1eb7t. \u0110\u00e2y l\u00e0 m\u1ed9t “k\u1ebb gi\u1ebft c\u00e1 koi” kh\u00e9t ti\u1ebfng.<\/p>\n

\u0110i\u1ec1u tr\u1ecb Chilodonella<\/h3>\n

B\u1ea1n n\u00ean t\u0103ng n\u1ed3ng \u0111\u1ed9 mu\u1ed1i trong ao trong 2 tu\u1ea7n c\u0169ng nh\u01b0 t\u0103ng c\u01b0\u1eddng s\u1ee5c kh\u00ed.<\/p>\n

6. Vi khu\u1ea9n Aeromonas<\/h2>\n

\"ViNh\u1eefng vi khu\u1ea9n n\u00e0y c\u00f3 li\u00ean quan \u0111\u1ebfn lo\u00e9t v\u00e0 x\u00f3i m\u00f2n v\u00e2y.<\/p>\n

\u0110i\u1ec1u tr\u1ecb Aeromonas<\/h3>\n

C\u00e1 koi s\u1ebd c\u1ea7n \u0111\u01b0\u1ee3c ti\u00eam Chloramphenicol. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y mang l\u1ea1i k\u1ebft qu\u1ea3 t\u00edch c\u1ef1c trong 3-4 ng\u00e0y.<\/p>\n

7. Vi khu\u1ea9n Pseudomonas<\/h2>\n

Gi\u1ed1ng nh\u01b0 “ng\u01b0\u1eddi anh em h\u1ecd” c\u1ee7a n\u00f3, aeromonas, vi khu\u1ea9n n\u00e0y c\u0169ng c\u00f3 li\u00ean quan \u0111\u1ebfn lo\u00e9t v\u00e0 x\u00f3i m\u00f2n v\u00e2y.<\/p>\n

\u0110i\u1ec1u tr\u1ecb Pseudomonas<\/h3>\n

C\u00e1c tr\u01b0\u1eddng h\u1ee3p nhi\u1ec5m tr\u00f9ng nh\u01b0 v\u1eady s\u1ebd c\u1ea7n \u0111\u01b0\u1ee3c ti\u00eam Baytril.<\/p>\n

8. Columnaris<\/h2>\n

Vi khu\u1ea9n n\u00e0y s\u1ebd t\u1ea5n c\u00f4ng c\u00e1c v\u1ecb tr\u00ed b\u1ecb th\u01b0\u01a1ng. G\u00e2y th\u1ed1i v\u00e2y, \u0111u\u00f4i v\u00e0 mi\u1ec7ng. Ngo\u00e0i ra, c\u00e1 c\u00f3 th\u1ec3 d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng trong th\u1eddi gian c\u0103ng th\u1eb3ng.<\/p>\n

C\u00e1 Koi c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n m\u1ed9t l\u1edbp m\u00e0ng tr\u1eafng tr\u00ean da v\u00e0 m\u1eaft b\u1ecb tr\u0169ng xu\u1ed1ng. N\u00f3 c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t “k\u1ebb gi\u1ebft ng\u01b0\u1eddi” nhanh ch\u00f3ng v\u00ec v\u1eady h\u00e3y \u0111\u1ea3m b\u1ea3o b\u1ea1n h\u00e0nh \u0111\u1ed9ng nhanh ch\u00f3ng.<\/p>\n

\u0110i\u1ec1u tr\u1ecb Columnaris<\/h3>\n

Cho c\u00e1 koi \u0103n MedFinn ho\u1eb7c Debride RX ch\u1eafc ch\u1eafn s\u1ebd gi\u00fap c\u00e1 \u0111\u01b0\u1ee3c \u0111i\u1ec1u tr\u1ecb \u201ct\u1eeb trong ra ngo\u00e0i\u201d.<\/p>\n

9. Lernea (b\u1ec7nh tr\u00f9ng m\u1ecf neo)<\/h2>\n

\"b\u1ec7nhTr\u00f9ng m\u1ecf neo, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Lernea l\u00e0 m\u1ed9t lo\u1ea1i k\u00fd sinh tr\u00f9ng gi\u00e1p x\u00e1c b\u00e1m v\u00e0 \u0111\u00e0o s\u00e2u v\u00e0o da c\u1ee7a c\u00e1. Lernea b\u00e1m v\u00e0o c\u00e1 c\u00e1i trong khi c\u00e1 \u0111\u1ef1c th\u00ec kh\u00f4ng. N\u00f3 s\u1ebd \u0103n c\u00e1, l\u00e0m h\u1ecfng m\u00f4 c\u1ee7a c\u00e1.<\/p>\n

\u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn nhi\u1ec5m vi khu\u1ea9n ho\u1eb7c n\u1ea5m tr\u00ean c\u00e1. M\u1ed9t lo\u1ea1i k\u00fd sinh tr\u00f9ng gi\u00e1p x\u00e1c kh\u00e1c, Argulus c\u0169ng b\u00e1m v\u00e0o c\u00e1 v\u00e0 g\u00e2y t\u1ed5n th\u01b0\u01a1ng m\u00f4.<\/p>\n

\u0110i\u1ec1u tr\u1ecb b\u1ec7nh tr\u00f9ng m\u1ecf neo<\/h3>\n

Ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng nh\u00edp. Sau khi lo\u1ea1i b\u1ecf, xoa m\u1ed9t \u00edt Neosporin l\u00ean v\u00f9ng b\u1ecb nhi\u1ec5m tr\u00f9ng. S\u1eed d\u1ee5ng Dimilin, Dylox ho\u1eb7c Lufenuron \u0111\u1ec3 x\u1eed l\u00fd ao nu\u00f4i.<\/p>\n

M\u1eb7c d\u00f9 Dimilin c\u00f3 l\u1ebd l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t c\u1ee7a b\u1ea1n \u0111\u1ec3 x\u00f3a s\u1ed5 tr\u00f9ng m\u1ecf neo, nh\u01b0ng v\u1eabn c\u00f3 nh\u1eefng s\u1ea3n ph\u1ea9m kh\u00e1c bao g\u1ed3m ECORX v\u00e0 Anchors Away.<\/p>\n

10. R\u1eadn c\u00e1 Argulus<\/h2>\n

Nh\u1eefng “k\u1ebb x\u00e2m l\u01b0\u1ee3c” kh\u00f4ng mong mu\u1ed1n n\u00e0y c\u00f3 t\u00e1m ch\u00e2n v\u00e0 c\u01a1 th\u1ec3 tr\u00f2n tr\u1ecba. N\u00f3 c\u0169ng c\u00f3 nh\u1eefng c\u00e1i m\u00fat l\u1edbn d\u00f9ng \u0111\u1ec3 g\u1eafn v\u00e0o c\u00e1. S\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a ch\u00fang d\u1eabn \u0111\u1ebfn bi\u1ec7t danh “r\u1eadn c\u00e1”.<\/p>\n

Nh\u1eefng k\u00fd sinh tr\u00f9ng n\u00e0y c\u00f3 th\u1ec3 g\u00e2y k\u00edch \u1ee9ng \u0111\u00e1ng k\u1ec3 cho c\u00e1 Koi. D\u1eabn \u0111\u1ebfn nhi\u1ec5m tr\u00f9ng do vi khu\u1ea9n.<\/p>\n

\u0110i\u1ec1u tr\u1ecb r\u1eadn c\u00e1 Argulus<\/h3>\n

C\u0169ng nh\u01b0 v\u1edbi tr\u00f9ng m\u1ecf neo, vi\u1ec7c \u0111i\u1ec1u tr\u1ecb s\u1ebd bao g\u1ed3m Dimilin nh\u01b0ng m\u1ed9t s\u1ea3n ph\u1ea9m kh\u00e1c c\u0169ng hi\u1ec7u qu\u1ea3, \u0111\u00f3 l\u00e0 Lufenuron. B\u1ea1n s\u1ebd th\u1ea5y k\u1ebft qu\u1ea3 kh\u1ea3 quan trong v\u00e0i ng\u00e0y t\u1edbi.<\/p>\n

11. Fungus (n\u1ea5m)<\/h2>\n

Nhi\u1ec5m tr\u00f9ng n\u1ea5m nh\u1eb9 ho\u1eb7c trung b\u00ecnh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u tr\u1ecb v\u00e0 c\u00f3 th\u1ec3 ch\u1eefa kh\u1ecfi n\u1ebfu \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n s\u1edbm. Nh\u1eefng lo\u1ea1i nhi\u1ec5m n\u1ea5m th\u01b0\u1eddng kh\u00f4ng l\u00e2y v\u00e0 th\u01b0\u1eddng ch\u1ec9 m\u1ed9t con c\u00e1 Koi b\u1ecb nhi\u1ec5m.<\/p>\n

Nhi\u1ec5m n\u1ea5m \u1edf c\u00e1 h\u1ea7u nh\u01b0 lu\u00f4n lu\u00f4n b\u1eaft \u0111\u1ea7u t\u1eeb b\u00ean ngo\u00e0i th\u00f4ng qua v\u1ebft x\u01b0\u1edbc \u1edf l\u1edbp da b\u00ean ngo\u00e0i c\u1ee7a c\u00e1. Nh\u1eefng con c\u00e1 Koi b\u1ecb \u1ea3nh h\u01b0\u1edfng th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n nh\u1eefng \u0111\u00e1m l\u00f4ng t\u01a1 ho\u1eb7c b\u00f4ng tr\u00ean da c\u1ee7a ch\u00fang.<\/p>\n

N\u1ea5m ph\u00e1t tri\u1ec3n c\u0169ng c\u00f3 th\u1ec3 c\u00f3 m\u00e0u xanh l\u1ee5c do t\u1ea3o ph\u00e1t tri\u1ec3n tr\u00ean n\u1ea5m. Tr\u00ean v\u00e2y c\u00e1 c\u0169ng c\u00f3 th\u1ec3 n\u1ed5i l\u00ean nh\u1eefng v\u1ebft l\u1ed3i m\u00e0u tr\u1eafng, n\u00e2u, v\u00e0ng ho\u1eb7c xanh l\u1ee5c kh\u00f4ng \u0111\u1ec1u. H\u1ea7u h\u1ebft c\u00e1c b\u1ec7nh nhi\u1ec5m tr\u00f9ng n\u1ea5m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u tr\u1ecb th\u00e0nh c\u00f4ng n\u1ebfu \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n s\u1edbm, v\u00ec v\u1eady \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i ki\u1ec3m tra b\u1eb1ng m\u1eaft th\u01b0\u1eddng c\u00e1 c\u1ee7a b\u1ea1n.<\/p>\n

\u0110i\u1ec1u tr\u1ecb n\u1ea5m<\/h3>\n

\"Fungus\"<\/h3>\n

N\u1ebfu nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc l\u1ea1nh, c\u00e1 r\u1ea5t c\u00f3 th\u1ec3 b\u1ecb n\u1ea5m. Tuy nhi\u00ean c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng m\u1eafc b\u1ec7nh epistylis. C\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf n\u1ea5m b\u1eb1ng c\u00e1ch d\u00f9ng t\u0103m b\u00f4ng ch\u00e0 x\u00e1t nh\u1eb9 nh\u00e0ng v\u00f9ng b\u1ecb nhi\u1ec5m tr\u00f9ng b\u1eb1ng thu\u1ed1c kh\u00e1ng sinh ho\u1eb7c kem ch\u1ed1ng vi tr\u00f9ng ngay sau \u0111\u00f3.<\/p>\n

N\u1ebfu b\u1ea1n kh\u00f4ng ch\u1eafc li\u1ec7u l\u00e0 n\u1ea5m hay epistylis, h\u00e3y th\u1eed t\u0103ng \u0111\u1ed9 m\u1eb7n c\u1ee7a ao ho\u1eb7c b\u1ec3. N\u1ea5m s\u1ebd kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c b\u1edfi mu\u1ed1i nh\u01b0ng epistylis th\u00ec c\u00f3.<\/p>\n

12. Lymphocystis (vi\u00eam m\u1ea1ch b\u1ea1ch huy\u1ebft)<\/h2>\n

C\u00e1 Koi c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 b\u1ecb vi\u00eam m\u1ea1ch b\u1ea1ch huy\u1ebft n\u1ebfu n\u00f3 c\u00f3 s\u1ef1 \u0111\u1ed5i m\u00e0u da. M\u1ed9t d\u1ea5u hi\u1ec7u kh\u00e1c c\u1ee7a b\u1ec7nh Lymphocystis l\u00e0 s\u1ef1 g\u1ed3 l\u00ean tr\u00ean da.<\/p>\n

M\u1eb7c d\u00f9 th\u01b0\u1eddng kh\u00f4ng l\u00e2y nhi\u1ec5m ho\u1eb7c g\u00e2y t\u1eed vong nh\u01b0ng n\u00f3 c\u00f3 th\u1ec3 g\u00e2y bi\u1ebfn d\u1ea1ng cho nh\u1eefng con c\u00e1 mang vi r\u00fat n\u00e0y. T\u00ecnh tr\u1ea1ng n\u00e0y th\u01b0\u1eddng x\u1ea3y ra khi nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc trong m\u00f4i tr\u01b0\u1eddng c\u1ee7a c\u00e1 thay \u0111\u1ed5i.<\/p>\n

\u0110i\u1ec1u tr\u1ecb vi\u00eam m\u1ea1ch b\u1ea1ch huy\u1ebft<\/h3>\n

B\u1ea1n n\u00ean \u0111\u01b0a c\u00e1 b\u1ecb nhi\u1ec5m b\u1ec7nh v\u00e0o b\u1ec3 c\u00e1ch ly v\u00e0 t\u0103ng nhi\u1ec7t. C\u00f3 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u tr\u1ecb ch\u1ee9a “acriflavine trung t\u00ednh” s\u1ebd gi\u00fap \u0111\u00e1nh b\u1ea1i vi r\u00fat (s\u1ea3n ph\u1ea9m n\u00e0y c\u00f3 t\u00ean th\u01b0\u01a1ng hi\u1ec7u l\u00e0 “Lymphocystis Cure”). Vi\u1ec7c virus t\u1ef1 bi\u1ebfn m\u1ea5t ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 x\u1ea3y ra v\u00e0 kh\u00f4ng c\u00f3 g\u00ec l\u1ea1.<\/p>\n

13. Tr\u00f9ng Epistylis<\/h2>\n

\u0110\u00e2y l\u00e0 m\u1ed9t b\u1ec7nh nhi\u1ec5m k\u00fd sinh tr\u00f9ng kh\u00f4ng ph\u1ed5 bi\u1ebfn, nguy hi\u1ec3m v\u00e0 c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c b\u1ec7nh kh\u00e1c cho c\u00e1 Koi c\u1ee7a b\u1ea1n. Nguy\u00ean nh\u00e2n th\u01b0\u1eddng l\u00e0 do qu\u1ea3n l\u00fd n\u01b0\u1edbc kh\u00f4ng t\u1ed1t d\u1eabn \u0111\u1ebfn n\u01b0\u1edbc b\u1ea9n v\u00e0 b\u1ecb nhi\u1ec5m k\u00fd sinh tr\u00f9ng.<\/p>\n

N\u1ebfu b\u1ea1n kh\u00f4ng th\u01b0\u1eddng xuy\u00ean thay n\u01b0\u1edbc trong ao, n\u00f3 c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng tr\u1edf th\u00e0nh v\u1eadt ch\u1ee7 c\u1ee7a c\u00e1c lo\u1ea1i k\u00fd sinh tr\u00f9ng n\u00e0y. Epistylis tr\u00f4ng gi\u1ed1ng nh\u01b0 m\u1ed9t lo\u1ea1i n\u1ea5m v\u00e0 ph\u00e1t tri\u1ec3n m\u1ea1nh trong c\u00e1c v\u1ebft lo\u00e9t v\u00e0 v\u1ebft th\u01b0\u01a1ng tr\u00ean c\u00e1 Koi.<\/p>\n

B\u1ea1n c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1 b\u1ecb nhi\u1ec5m b\u1ec7nh n\u1ebfu b\u1ea1n nh\u00ecn th\u1ea5y c\u00e1c b\u00fai m\u00e0u tr\u1eafng trong xung quanh c\u00e1c v\u1ebft lo\u00e9t tr\u00ean da c\u00e1.<\/p>\n

\u0110i\u1ec1u tr\u1ecb Epistylis<\/h3>\n

Thay n\u01b0\u1edbc trong ao v\u00e0 b\u1ed5 sung mu\u1ed1i (n\u1ed3ng \u0111\u1ed9 0,3%) \u0111\u1ec3 ch\u1ed1ng l\u1ea1i c\u00e1c k\u00fd sinh tr\u00f9ng Epistylis. Ng\u01b0\u1eddi ta c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0a nh\u1eefng con c\u00e1 b\u1ecb \u1ea3nh h\u01b0\u1edfng v\u00e0o ki\u1ec3m d\u1ecbch trong 2 tu\u1ea7n, \u0111\u1ed3ng th\u1eddi n\u00e2ng m\u1ee9c mu\u1ed1i l\u00ean 0,3%.<\/p>\n

14. \u0110\u1ea7u to (Skinny)<\/h2>\n

\"\u0110\u1ea7uB\u1ec7nh do nhi\u1ec5m vi khu\u1ea9n khi\u1ebfn c\u00e1 c\u00f3 bi\u1ec3u hi\u1ec7n gi\u1ed1ng nh\u01b0 b\u1ecb m\u00fat. \u0110\u1ea7u c\u1ee7a n\u00f3 th\u01b0\u1eddng to h\u01a1n nhi\u1ec1u so v\u1edbi ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a c\u01a1 th\u1ec3.<\/p>\n

\u0110i\u1ec1u tr\u1ecb b\u1ec7nh \u0111\u1ea7u to<\/h3>\n

Th\u00eam th\u1ee9c \u0103n b\u1ed5 sung v\u00e0o ch\u1ebf \u0111\u1ed9 \u0103n u\u1ed1ng c\u1ee7a c\u00e1 th\u01b0\u1eddng c\u00f3 th\u1ec3 l\u00e0m s\u1ea1ch b\u1ec7nh n\u00e0y. Tuy nhi\u00ean, \u0111\u00f4i khi \u0111i\u1ec1u n\u00e0y kh\u00f4ng gi\u00fap \u00edch \u0111\u01b0\u1ee3c g\u00ec v\u00e0 n\u1ebfu t\u00ecnh tr\u1ea1ng nhi\u1ec5m vi khu\u1ea9n v\u1eabn ti\u1ebfp di\u1ec5n, vi\u1ec7c th\u00eam erythromycin v\u00e0o th\u1ee9c \u0103n c\u1ee7a c\u00e1 s\u1ebd lo\u1ea1i b\u1ecf nhi\u1ec5m tr\u00f9ng nhanh ch\u00f3ng.<\/p>\n

15. Carp pox (b\u1ec7nh \u0111\u1eadu c\u00e1 ch\u00e9p)<\/h2>\n

B\u1ea3n ch\u1ea5t t\u01b0\u01a1ng t\u1ef1 nh\u01b0 b\u1ec7nh Lymphocystis, b\u1ec7nh \u0111\u1eadu c\u00e1 ch\u00e9p l\u00e0 m\u1ed9t b\u1ec7nh kh\u00e1 ph\u1ed5 bi\u1ebfn, kh\u00f4ng d\u1ec5 l\u00e2y lan, th\u01b0\u1eddng kh\u00f4ng g\u00e2y t\u1eed vong nh\u01b0ng c\u00f3 th\u1ec3 l\u00e0m c\u00e1 bi\u1ebfn d\u1ea1ng. Kh\u00f4ng gi\u1ed1ng nh\u01b0 ng\u01b0\u1eddi anh em h\u1ecd c\u1ee7a n\u00f3, lo\u1ea1i vi r\u00fat n\u00e0y g\u00e2y ra s\u1ef1 ph\u00e1t tri\u1ec3n m\u1ec1m v\u00e0 tr\u00f4ng nh\u01b0 s\u00e1p. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 gi\u1ed1ng nh\u01b0 s\u00e1p n\u00f3ng ch\u1ea3y m\u00e0u h\u1ed3ng tr\u00ean da c\u00e1 koi.<\/p>\n

\u0110i\u1ec1u tr\u1ecb b\u1ec7nh \u0111\u1eadu c\u00e1 ch\u00e9p<\/h3>\n

Kh\u00f4ng c\u00f3 ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u tr\u1ecb hi\u1ec7u qu\u1ea3 cho lo\u1ea1i vi r\u00fat n\u00e0y nh\u01b0ng may m\u1eafn thay, n\u00f3 th\u01b0\u1eddng t\u1ef1 bi\u1ebfn m\u1ea5t. Vi\u1ec7c \u0111un n\u00f3ng n\u01b0\u1edbc d\u1ea7n d\u1ea7n c\u00f3 th\u1ec3 l\u00e0m cho vi r\u00fat gi\u1ea3m d\u1ea7n. \u0110\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 ch\u1ee7 ao, \u0111\u00e2y ch\u1ec9 v\u1ea5n \u0111\u1ec1 xu\u1ea5t hi\u1ec7n v\u00e0o m\u1ed7i m\u00f9a \u0111\u00f4ng v\u00e0 m\u00f9a xu\u00e2n, bi\u1ebfn m\u1ea5t khi b\u1eaft \u0111\u1ea7u m\u00f9a h\u00e8.<\/p>\n

16. Spring viremia of carp (b\u1ec7nh xu\u1ea5t huy\u1ebft do vi r\u00fat m\u00f9a Xu\u00e2n)<\/h2>\n

Nh\u01b0 c\u00e1i t\u00ean, b\u1ec7nh n\u00e0y g\u00e2y ra do lo\u1ea1i vi r\u00fat th\u00edch n\u01b0\u1edbc l\u1ea1nh v\u00e0 xu\u1ea5t hi\u1ec7n v\u00e0o m\u00f9a xu\u00e2n. L\u00fac n\u00e0y, h\u1ec7 th\u1ed1ng mi\u1ec5n d\u1ecbch c\u1ee7a c\u00e1 koi ch\u01b0a ho\u1ea1t \u0111\u1ed9ng t\u1ed1t. M\u1ed9t s\u1ed1 tri\u1ec7u ch\u1ee9ng m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y l\u00e0 da c\u00e1 \u1eedng \u0111\u1ecf v\u00e0 vi\u00eam b\u00e0ng quang.<\/p>\n

N\u00f3 th\u01b0\u1eddng kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t c\u0103n b\u1ec7nh ch\u00ednh v\u00ec th\u01b0\u1eddng ch\u1ec9 xu\u1ea5t hi\u1ec7n sau m\u1ed9t c\u01a1n suy nh\u01b0\u1ee3c kh\u00e1c nh\u01b0 nhi\u1ec5m tr\u00f9ng do vi khu\u1ea9n l\u00e0m c\u00e1 suy ki\u1ec7t. May m\u1eafn thay, SVC th\u01b0\u1eddng kh\u00f4ng g\u00e2y t\u1eed vong.<\/p>\n

17. Hexamita (b\u1ec7nh l\u1ee7ng \u0111\u1ea7u)<\/h2>\n

\"b\u1ec7nhB\u1ec7nh n\u00e0y c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u1ec7nh \u201cl\u1ed7 tr\u00ean \u0111\u1ea7u\u201d, l\u00e0 m\u1ed9t lo\u1ea1i k\u00fd sinh tr\u00f9ng \u0111\u01a1n b\u00e0o g\u00e2y ra c\u00e1c t\u1ed5n th\u01b0\u01a1ng \u1edf l\u1edbp b\u00ec c\u1ee7a c\u00e1 koi. B\u1ea1n s\u1ebd nh\u1eadn th\u1ea5y c\u00e1 koi l\u1edd \u0111\u1edd v\u00e0 r\u00f5 r\u00e0ng h\u01a1n l\u00e0 da b\u1ecb b\u00e0o m\u00f2n (v\u00e0 th\u01b0\u1eddng l\u00e0 c\u1ea3 v\u00e2y).<\/p>\n

C\u00e1 koi s\u1ebd t\u1ef1 c\u00f4 l\u1eadp m\u00ecnh trong m\u1ed9t khu v\u1ef1c nh\u1ea5t \u0111\u1ecbnh c\u1ee7a ao v\u00e0 b\u1ec7nh s\u1ebd chuy\u1ec3n sang m\u00e0u s\u1eabm.<\/p>\n

\u0110i\u1ec1u tr\u1ecb Hexamita<\/h3>\n

C\u0169ng nh\u01b0 nhi\u1ec1u lo\u1ea1i b\u1ec7nh kh\u00e1c, b\u1ea1n c\u1ea7n ki\u1ec3m d\u1ecbch lo\u00e0i c\u00e1 n\u00e0y. B\u1ea1n n\u00ean thi\u1ebft l\u1eadp m\u1ed9t li\u1ec7u tr\u00ecnh \u0111i\u1ec1u tr\u1ecb v\u1edbi s\u1ea3n ph\u1ea9m c\u00f3 t\u00ean Flagyl trong 10-12 ng\u00e0y.<\/p>\n

18. B\u1ec7nh n\u1ea5m len b\u00f4ng<\/h2>\n

M\u1ed9t b\u1ec7nh kh\u00e1c m\u00e0 c\u00e1 Koi \u0111\u00f4i khi m\u1eafc ph\u1ea3i \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Columnaris, hay b\u1ec7nh n\u1ea5m len b\u00f4ng. C\u00e1c s\u1ee3i tr\u1eafng trong mi\u1ec7ng c\u00e1 v\u00e0 da kh\u00f4 l\u00e0 \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a b\u1ec7nh n\u00e0y.<\/p>\n

\u0110\u00f4i khi m\u00e0u s\u1eafc c\u1ee7a c\u00e1 Koi tr\u1edf n\u00ean t\u1ed1i h\u01a1n v\u00e0 c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n c\u00e1c v\u1ebft loang tr\u1eafng tr\u00ean da. Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng d\u1ec5 d\u00e0ng x\u00e1c \u0111\u1ecbnh xem c\u00e1 c\u00f3 b\u1ecb n\u1ea5m trong mang hay kh\u00f4ng.<\/p>\n

Tuy nhi\u00ean, n\u1ebfu c\u00e1 Koi \u1edf g\u1ea7n b\u1ec1 m\u1eb7t c\u1ee7a ao, nu\u1ed1t kh\u00f4ng kh\u00ed, th\u00ec \u0111\u00f3 l\u00e0 m\u1ed9t d\u1ea5u hi\u1ec7u t\u1ed1t cho th\u1ea5y tr\u00ean th\u1ef1c t\u1ebf, n\u1ea5m \u0111ang \u1edf trong mang. C\u00e1 Koi c\u0169ng c\u00f3 th\u1ec3 h\u00ecnh th\u00e0nh m\u1ed9t c\u00e1i b\u1ee5ng s\u0169ng n\u01b0\u1edbc v\u00e0 m\u1ed9t l\u1edbp ph\u1ee7 nh\u1ea7y nh\u1ee5a tr\u00ean da c\u1ee7a ch\u00fang.<\/p>\n

X\u1eed l\u00fd b\u1ec7nh n\u1ea5m len b\u00f4ng<\/h3>\n

B\u1ea1n c\u00f3 th\u1ec3 cho thu\u1ed1c t\u00edm v\u00e0o n\u01b0\u1edbc \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u00ecnh tr\u1ea1ng b\u1ec7nh. Ngo\u00e0i ra, ti\u00eam thu\u1ed1c kh\u00e1ng sinh v\u00e0 \u0111i\u1ec1u tr\u1ecb v\u1ebft th\u01b0\u01a1ng tr\u1ef1c ti\u1ebfp s\u1ebd gi\u00fap ch\u0103m s\u00f3c b\u1ec7nh t\u1ed1t h\u01a1n. B\u1ea1n n\u00ean t\u00e1ch c\u00e1 Koi b\u1ecb nhi\u1ec5m b\u1ec7nh ra kh\u1ecfi qu\u1ea7n th\u1ec3 v\u00e0 x\u1eed l\u00fd n\u01b0\u1edbc \u0111\u1ec3 nh\u1eefng con c\u00e1 kh\u00e1c kh\u00f4ng b\u1ecb nhi\u1ec5m b\u1ec7nh.<\/p>\n

19. Flukes (s\u00e1n)<\/h2>\n

\"Flukes\"C\u00f3 hai lo\u1ea1i s\u00e1n ch\u00ednh; 1) s\u00e1n l\u00e1 mang v\u00e0 2) s\u00e1n l\u00e1 da. C\u1ea3 hai lo\u1ea1i \u0111\u1ec1u \u1edf d\u1ea1ng k\u00ednh hi\u1ec3n vi n\u00ean n\u1ebfu b\u1ea1n nghi ng\u1edd c\u00e1 c\u1ee7a m\u00ecnh b\u1ecb nhi\u1ec5m s\u00e1n, b\u1ea1n s\u1ebd c\u1ea7n k\u00ednh hi\u1ec3n vi \u0111\u1ec3 x\u00e1c minh.<\/p>\n

Dactylogyrus ho\u1eb7c s\u00e1n l\u00e1 mang s\u1ebd b\u00e1m v\u00e0o mang nh\u01b0 t\u00ean c\u1ee7a n\u00f3, s\u00e1n l\u00e1 da hay gyrodactylus b\u00e1m v\u00e0o c\u01a1 th\u1ec3. S\u00e1n c\u00f3 xu h\u01b0\u1edbng \u0103n s\u1ea1ch l\u1edbp ph\u1ee7 \u201cch\u1ea5t nh\u1eddn\u201d b\u1ea3o v\u1ec7 c\u1ee7a c\u00e1. Do \u0111\u00f3 khi\u1ebfn ch\u00fang b\u1ecb nhi\u1ec5m vi khu\u1ea9n c\u00f3 h\u1ea1i v\u00e0 g\u00e2y lo\u00e9t.<\/p>\n

Ch\u00fang c\u0169ng l\u00e0 m\u1ed9t ch\u1ea5t g\u00e2y k\u00edch \u1ee9ng v\u00e0 khi\u1ebfn c\u00e1 c\u1ee7a b\u1ea1n b\u1ecb ng\u1ee9a. Sau \u0111\u00f3 t\u1ef1 ch\u00e0 m\u00ecnh xu\u1ed1ng \u0111\u00e1y ho\u1eb7c th\u00e0nh ao \u0111\u1ec3 c\u1ed1 g\u1eafng g\u00e3i ng\u1ee9a v\u00e0 lo\u1ea1i b\u1ecf k\u00fd sinh tr\u00f9ng.<\/p>\n

S\u00e1n mang c\u00f3 th\u1ec3 \u0103n m\u00f2n mang c\u00e1 koi c\u1ee7a b\u1ea1n \u0111\u1ebfn m\u1ee9c c\u00e1 koi s\u1ebd kh\u00f4ng th\u1ec3 h\u1ea5p th\u1ee5 oxy t\u1eeb n\u01b0\u1edbc. N\u1ebfu b\u1ea1n nghi ng\u1edd c\u00e1 b\u1ecb nhi\u1ec5m s\u00e1n, h\u00e3y ch\u00fa \u00fd \u0111\u1ebfn nh\u1eefng h\u00e0nh vi n\u00e0y.<\/p>\n

\u0110i\u1ec1u tr\u1ecb s\u00e1n<\/h3>\n

B\u1ea1n c\u00f3 th\u1ec3 c\u00e1ch ly c\u00e1 nh\u01b0ng c\u00f3 kh\u1ea3 n\u0103ng to\u00e0n b\u1ed9 ao c\u1ee7a b\u1ea1n \u0111\u00e3 b\u1ecb nhi\u1ec5m s\u00e1n ho\u1eb7c tr\u1ee9ng c\u1ee7a ch\u00fang. V\u00ec th\u1ebf, b\u1ea1n c\u00f3 th\u1ec3 \u0111i\u1ec1u tr\u1ecb b\u1eb1ng c\u00e1c lo\u1ea1i thu\u1ed1c nh\u01b0 thu\u1ed1c t\u00edm ho\u1eb7c Aquascape Praziquantel. M\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u tr\u1ecb b\u1ed5 sung l\u00e0 SupaVerm (s\u1ebd gi\u1ebft c\u00e1 v\u00e0ng nh\u01b0ng s\u1ebd kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi khu\u1ea9n c\u00f3 l\u1ee3i c\u1ee7a b\u1ea1n) v\u00e0 Fluke Tabs.<\/p>\n

20. K\u00fd sinh tr\u00f9ng Oodinium<\/h2>\n

B\u1ec7nh do nh\u1eefng k\u00fd sinh tr\u00f9ng Oodinium g\u00e2y ra \u0111\u00f4i khi \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u1ec7nh nhung v\u00ec n\u00f3 gi\u1ed1ng nh\u01b0 m\u1ed9t l\u1edbp b\u1ee5i v\u00e0ng m\u1ecbn, bao ph\u1ee7 c\u00e1. C\u00e1c tri\u1ec7u ch\u1ee9ng kh\u00e1c bao g\u1ed3m v\u00e2y b\u1ecb r\u00e1ch, m\u1ea5t v\u1ea3y v\u00e0 da. M\u1eb7c d\u00f9 h\u01a1i hi\u1ebfm nh\u01b0ng v\u1eabn c\u00f3 ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u tr\u1ecb.<\/p>\n

\u0110i\u1ec1u tr\u1ecb Oodinium<\/h3>\n

Th\u00eam mu\u1ed1i v\u00e0o n\u01b0\u1edbc ao th\u01b0\u1eddng kh\u00f4ng l\u00e0m s\u1ea1ch b\u1ec7nh. L\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t l\u00e0 th\u00eam 37% Formalin v\u00e0o n\u01b0\u1edbc v\u00ec c\u00e1ch n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e0 c\u00f3 hi\u1ec7u qu\u1ea3 nh\u1ea5t. Ngo\u00e0i ra, Simazine c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111i\u1ec1u tr\u1ecb oodinium.<\/p>\n

21. K\u00fd sinh tr\u00f9ng Costia<\/h2>\n

Costia, gi\u1ed1ng nh\u01b0 s\u00e1n l\u00e1, l\u00e0 m\u1ed9t lo\u1ea1i k\u00fd sinh tr\u00f9ng. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, n\u00f3 l\u00e0 m\u1ed9t lo\u1ea1i tr\u00f9ng roi c\u1ef1c nh\u1ecf c\u00f3 th\u1ec3 sinh s\u1ea3n nhanh ch\u00f3ng. Th\u00f4ng th\u01b0\u1eddng, c\u00e1 koi kh\u00f4ng b\u1ecb b\u1ec7nh costia. Tr\u1eeb khi ch\u00fang \u0111\u00e3 b\u1ecb t\u1ed5n th\u01b0\u01a1ng theo m\u1ed9t c\u00e1ch n\u00e0o \u0111\u00f3 t\u1eeb \u0111\u1ea7u n\u00ean s\u1ebd \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i l\u00e0 b\u1ec7nh th\u1ee9 ph\u00e1t.<\/p>\n

C\u00e1 koi c\u1ee7a b\u1ea1n s\u1ebd c\u00f3 bi\u1ec3u hi\u1ec7n l\u1edd \u0111\u1edd v\u00e0 c\u1ed1 g\u1eafng nh\u1ea5p nh\u00e1y ho\u1eb7c ch\u00e0 x\u00e1t v\u00e0o th\u00e0nh ho\u1eb7c \u0111\u00e1y ao \u0111\u1ec3 g\u00e3i ng\u1ee9a v\u00e0 t\u1ef1 lo\u1ea1i b\u1ecf k\u00fd sinh tr\u00f9ng.<\/p>\n

Da c\u0169ng s\u1ebd c\u00f3 m\u00e0u tr\u1eafng\/x\u00e1m tr\u00ean c\u01a1 th\u1ec3 c\u00e1 koi b\u1ecb nhi\u1ec5m b\u1ec7nh v\u00e0 v\u00e2y c\u00f3 kh\u1ea3 n\u0103ng b\u1ecb \u0111\u1ecf.<\/p>\n

M\u1eb7c d\u00f9 nh\u1eefng k\u00fd sinh tr\u00f9ng n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn da, ch\u00fang c\u0169ng s\u1ebd l\u00e2y nhi\u1ec5m sang mang c\u1ee7a c\u00e1 koi. Do \u0111\u00f3 b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y c\u00e1 th\u1edf h\u1ed5n h\u1ec3n tr\u00ean b\u1ec1 m\u1eb7t.<\/p>\n

\u0110i\u1ec1u tr\u1ecb Costia<\/h3>\n

C\u00f3 c\u00e1c c\u00e1ch kh\u00e1c nhau \u0111\u1ec3 \u0111i\u1ec1u tr\u1ecb cho costia. Malachite green v\u00e0 37% formalin c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Nh\u01b0ng b\u1ea1n c\u1ea7n \u0111\u1ea3m b\u1ea3o r\u1eb1ng kh\u00f4ng c\u00f3 mu\u1ed1i trong ao tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u. N\u1ebfu s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd n\u00e0y, h\u00e3y ch\u1eafc ch\u1eafn t\u0103ng c\u01b0\u1eddng s\u1ee5c kh\u00ed.<\/p>\n

C\u0169ng nh\u01b0 v\u1edbi s\u00e1n, thu\u1ed1c t\u00edm c\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ec3 ch\u1eefa b\u1ec7nh costia. Ho\u1eb7c b\u1ea1n c\u00f3 th\u1ec3 t\u1eafm mu\u1ed1i m\u1ea1nh cho c\u00e1 (l\u00ean \u0111\u1ebfn 0,6%). Ho\u1eb7c c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u tr\u1ecb kh\u00e1c bao g\u1ed3m trypaflavine hay \u0111\u1ed3ng.<\/p>\n

\u0110\u1ed3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00ec h\u1ea7u h\u1ebft c\u00e1c \u0111\u1ed9ng v\u1eadt kh\u00f4ng x\u01b0\u01a1ng s\u1ed1ng, nh\u01b0 tr\u00f9ng roi costia, c\u00f3 hemolymph d\u1ef1a tr\u00ean \u0111\u1ed3ng (m\u00e1u) v\u00e0 do \u0111\u00f3 \u0111\u1ed3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t ch\u1ea5t x\u1eed l\u00fd trong ao v\u00ec \u0111\u1ed9c h\u1ea1i \u0111\u1ed1i v\u1edbi ch\u00fang.<\/p>\n

Acriflavine n\u00ean \u0111\u01b0\u1ee3c th\u00eam v\u00e0o ao c\u1ee7a b\u1ea1n v\u1edbi t\u1ef7 l\u1ec7 1ml\/l\u00edt v\u00e0 \u0111\u1ed3ng th\u00edch h\u1ee3p nh\u1ea5t \u1edf m\u1ee9c 2mg\/l\u00edt. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 b\u1ea1n kh\u00f4ng d\u00f9ng qu\u00e1 li\u1ec1u v\u1edbi hai ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u tr\u1ecb n\u00e0y.<\/p>\n

22. Pop eye (n\u1ed5 m\u1eaft)<\/h2>\n

\"PopPopeye hay c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ch\u1ee9ng ngo\u1ea1i nh\u00e3n v\u00e0 th\u1ef1c s\u1ef1 kh\u00f4ng li\u00ean quan \u0111\u1ebfn b\u1ea5t k\u1ef3 b\u1ec7nh n\u00e0o m\u00e0 l\u00e0 tri\u1ec7u ch\u1ee9ng c\u1ee7a m\u1ed9t c\u00e1i g\u00ec \u0111\u00f3. \u0110\u00e2y l\u00e0 ph\u1ea3n \u1ee9ng tr\u1ef1c ti\u1ebfp v\u1edbi t\u00ecnh tr\u1ea1ng d\u01b0 th\u1eeba ch\u1ea5t l\u1ecfng ho\u1eb7c c\u00f3 th\u1ec3 c\u00f3 kh\u00ed t\u00edch t\u1ee5 ph\u00eda sau m\u1eaft, sau \u0111\u00f3 l\u00e0m cho m\u1eaft c\u00e1 l\u1ed3i ra v\u00e0 m\u00e9o m\u00f3.<\/p>\n

C\u00f3 th\u1ec3 c\u00f3 m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 g\u00e2y ra \u0111i\u1ec1u n\u00e0y. \u0110\u00f4i khi c\u0103n b\u1ec7nh n\u00e0y l\u00e0 do nhi\u1ec5m vi khu\u1ea9n ho\u1eb7c ch\u1ea5n th\u01b0\u01a1ng khi ch\u1ea1y v\u00e0o th\u00e0nh ao b\u00ea t\u00f4ng.<\/p>\n

\u0110i\u1ec1u tr\u1ecb n\u1ed5 m\u1eaft<\/h3>\n

C\u00e1ch t\u1ed1t nh\u1ea5t l\u00e0 ki\u1ec3m d\u1ecbch c\u00e1 ngay l\u1eadp t\u1ee9c v\u00e0 t\u1eafm n\u01b0\u1edbc mu\u1ed1i nh\u1ea1t. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 gi\u1ea3m l\u01b0\u1ee3ng th\u1ee9c \u0103n cho c\u00e1. B\u1ea1n n\u00ean thay 25% n\u01b0\u1edbc h\u00e0ng ng\u00e0y v\u00e0 theo d\u00f5i ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc m\u1ed9t c\u00e1ch th\u01b0\u1eddng xuy\u00ean.<\/p>\n

23. Cloudy eye (m\u1eaft \u0111\u1ee5c)<\/h2>\n

M\u1eaft \u0111\u1ee5c kh\u00f4ng ph\u1ed5 bi\u1ebfn nh\u01b0ng n\u00f3 c\u00f3 th\u1ec3 x\u1ea3y ra. B\u1ec7nh n\u00e0y th\u01b0\u1eddng do tri\u1ec7u ch\u1ee9ng c\u1ee7a m\u1ed9t v\u1ea5n \u0111\u1ec1 kh\u00e1c \u0111ang x\u1ea3y ra ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t th\u1ee9 t\u1ea5n c\u00f4ng c\u1ee5 th\u1ec3 v\u00e0o m\u1eaft.<\/p>\n

M\u1ed9t s\u1ed1 nguy\u00ean nh\u00e2n l\u00e0 nhi\u1ec5m tr\u00f9ng do vi khu\u1ea9n, \u0111\u1ee5c th\u1ee7y tinh th\u1ec3 ho\u1eb7c th\u1eadm ch\u00ed thi\u1ebfu lo\u1ea1i th\u1ee9c \u0103n ph\u00f9 h\u1ee3p (\u0111\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao b\u1ea1n n\u00ean \u0111a d\u1ea1ng h\u00f3a ch\u1ebf \u0111\u1ed9 \u0103n c\u1ee7a c\u00e1 v\u00e0 ch\u1ec9 cho ch\u00fang \u0103n th\u1ee9c \u0103n ch\u1ea5t l\u01b0\u1ee3ng v\u1edbi \u00edt ch\u1ea5t \u0111\u1ed9n h\u01a1n).<\/p>\n

\"m\u1eaft<\/p>\n

Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p hi\u1ebfm hoi, l\u00fd do g\u00e2y ra m\u1eaft \u0111\u1ee5c l\u00e0 do s\u00e1n v\u00e0o m\u1eaft c\u00e1. Nh\u01b0ng \u0111\u00f4i khi ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 t\u1ed5n th\u01b0\u01a1ng c\u01a1 th\u1ec3 \u0111\u1ed1i v\u1edbi m\u1eaft do \u0111\u00e2m v\u00e0o v\u1eadt g\u00ec \u0111\u00f3 trong ao. C\u1ea3 hai m\u1eaft c\u00f3 th\u1ec3 b\u1ecb \u0111\u1ee5c ho\u1eb7c ch\u1ec9 m\u1ed9t m\u1eaft.<\/p>\n

\u0110i\u1ec1u tr\u1ecb m\u1eaft \u0111\u1ee5c<\/h3>\n

Ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u tr\u1ecb m\u1eaft \u0111\u1ee5c l\u00e0 th\u1ee9c \u0103n d\u00e0nh cho c\u00e1 koi c\u00f3 t\u1ea9m thu\u1ed1c \u0111\u01b0\u1ee3c pha ch\u1ebf \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 n\u1ea5m v\u00e0 vi khu\u1ea9n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 MedFinn v\u00e0 ho\u1eb7c Mela-Fix. Mela-Fix th\u1ef1c s\u1ef1 l\u00e0 m\u1ed9t chi\u1ebft xu\u1ea5t d\u1ea7u t\u1eeb c\u00e2y tr\u00e0m, ch\u1ee7 y\u1ebfu xu\u1ea5t hi\u1ec7n \u1edf \u00dac v\u00e0 n\u00f3 c\u00f3 \u0111\u1eb7c t\u00ednh ch\u1ed1ng vi khu\u1ea9n t\u1ef1 nhi\u00ean.<\/p>\n

24. \u0110\u1ec9a (leeches)<\/h2>\n

Th\u1eadt kh\u00f4ng may, \u0111\u1ec9a cu\u1ed1i c\u00f9ng c\u00f3 th\u1ec3 g\u00e2y t\u1eed vong cho c\u00e1 n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c \u0111i\u1ec1u tr\u1ecb. \u0110\u1ec9a c\u0169ng c\u00f3 th\u1ec3 truy\u1ec1n b\u1ec7nh cho c\u00e1 koi \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 SVC. B\u1ea1n c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y ch\u00fang tr\u00ean c\u01a1 th\u1ec3 c\u00e1. V\u00ec \u0111\u1ec9a kh\u00f4ng ph\u1ea3i l\u00e0 vi khu\u1ea9n vi m\u00f4. C\u00e1c tri\u1ec7u ch\u1ee9ng kh\u00e1c bao g\u1ed3m: m\u00e0u s\u1eafc c\u1ee7a c\u00e1 koi b\u1ecb t\u1ed1i ho\u1eb7c t\u00e1i nh\u1ee3t nh\u01b0 h\u00f4n m\u00ea.<\/p>\n

\u0110i\u1ec1u tr\u1ecb \u0111\u1ec9a<\/h3>\n

M\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u tr\u1ecb \u0111\u1ec9a bao g\u1ed3m: m\u1ed9t s\u1ea3n ph\u1ea9m c\u00f3 t\u00ean l\u00e0 Masoten d\u1ea1ng b\u1ed9t. M\u1ed9t s\u1ea3n ph\u1ea9m kh\u00e1c \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 malathion, tuy nhi\u00ean nhi\u1ec1u ng\u01b0\u1eddi khuy\u1ebfn c\u00e1o kh\u00f4ng n\u00ean \u0111i\u1ec1u tr\u1ecb c\u00e1ch n\u00e0y v\u00ec n\u00f3 l\u00e0 thu\u1ed1c tr\u1eeb s\u00e2u organophosphate. M\u1eb7c d\u00f9 n\u00f3 s\u1ebd gi\u1ebft \u0111\u1ec9a, nh\u01b0ng c\u0169ng c\u00f3 th\u1ec3 g\u00e2y h\u1ea1i cho c\u00e1 koi c\u1ee7a b\u1ea1n trong qu\u00e1 tr\u00ecnh n\u00e0y.<\/p>\n

25. Ulcers (l\u1edf lo\u00e9t da)<\/strong><\/h2>\n

\"l\u1edfL\u1edf lo\u00e9t da tr\u00ean da c\u1ee7a c\u00e1 l\u00e0 do nhi\u1ec5m vi khu\u1ea9n h\u00ecnh th\u00e0nh tr\u00ean v\u1ea3y, khi\u1ebfn ch\u00fang c\u00f3 m\u00e0u \u0111\u1ecf. Nhi\u1ec5m tr\u00f9ng g\u00e2y ra c\u00e1c l\u1ed7 ho\u1eb7c v\u1ebft lo\u00e9t tr\u00ean b\u1ec1 ngo\u00e0i c\u1ee7a c\u00e1. Cu\u1ed1i c\u00f9ng s\u1ebd l\u00e0m m\u1ea5t v\u1ea3y n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c \u0111i\u1ec1u tr\u1ecb.<\/p>\n

Nh\u1eefng v\u1ebft lo\u00e9t n\u00e0y th\u01b0\u1eddng do ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc trong ao k\u00e9m c\u00f9ng v\u1edbi h\u1ec7 th\u1ed1ng mi\u1ec5n d\u1ecbch c\u1ee7a c\u00e1 Koi b\u1ecb suy gi\u1ea3m v\u00e0o m\u00f9a xu\u00e2n. Do b\u1ecb t\u1ea5n c\u00f4ng b\u1edfi k\u00fd sinh tr\u00f9ng mang vi khu\u1ea9n.<\/p>\n

\u0110i\u1ec1u tr\u1ecb l\u1edf lo\u00e9t da<\/h3>\n

Duy tr\u00ec ao nu\u00f4i s\u1ea1ch s\u1ebd, kh\u1ecfe m\u1ea1nh v\u00e0 \u0111i\u1ec1u tr\u1ecb v\u1ebft lo\u00e9t b\u1eb1ng thu\u1ed1c kh\u00e1ng khu\u1ea9n t\u1ea1i ch\u1ed7 nh\u01b0 Panalog \u0111\u1ec3 ng\u0103n ch\u1eb7n vi khu\u1ea9n g\u00e2y b\u1ec7nh.<\/p>\n

26. N\u1ea5m Saprolegnia<\/h2>\n

M\u1ed9t trong nh\u1eefng b\u1ec7nh nhi\u1ec5m n\u1ea5m ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y \u1edf c\u00e1 Koi l\u00e0 do n\u1ea5m Saprolegnia. B\u00e0o t\u1eed t\u1eeb n\u1ea5m c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n tr\u00ean b\u1ea5t k\u1ef3 b\u1ed9 ph\u1eadn n\u00e0o c\u1ee7a c\u00e1, k\u1ec3 c\u1ea3 mang c\u1ee7a n\u00f3. \u0110\u1ea7u ti\u00ean, n\u1ea5m t\u1ea5n c\u00f4ng c\u00e1 b\u1eb1ng c\u00e1ch n\u1ea3y m\u1ea7m tr\u00ean m\u00f4 ch\u1ebft. N\u1ea5m c\u00f3 c\u00e1c s\u1ee3i gi\u1ed1ng nh\u01b0 s\u1ee3i ch\u1ec9 ti\u1ebft ra ch\u1ea5t l\u00e0m ph\u00e2n h\u1ee7y m\u00f4. Khi nhi\u1ec5m n\u1ea5m ph\u00e1t tri\u1ec3n, c\u00e1c m\u00f4 b\u1eaft \u0111\u1ea7u x\u00f3i m\u00f2n v\u00e0 ph\u00e1 h\u1ee7y c\u00e1c m\u00f4 s\u1ed1ng.<\/p>\n

N\u00f3 th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n gi\u1ed1ng nh\u01b0 b\u00f4ng g\u00f2n v\u00e0 c\u00f3 th\u1ec3 c\u00f3 m\u00e0u xanh l\u1ee5c do t\u1ea3o. N\u1ea5m Saprolegnia h\u1ea7u nh\u01b0 kh\u00f4ng bao gi\u1edd t\u1ea5n c\u00f4ng m\u1ed9t con c\u00e1 kh\u1ecfe m\u1ea1nh – th\u00f4ng th\u01b0\u1eddng c\u00e1 koi s\u1ebd c\u00f3 s\u1eb5n m\u1ed9t m\u1ed9t v\u1ebft lo\u00e9t.<\/p>\n

\u0110i\u1ec1u tr\u1ecb Saprolegnia<\/h3>\n

Nh\u1eefng con c\u00e1 b\u1ecb b\u1ec7nh s\u1ebd c\u1ea7n \u0111\u01b0\u1ee3c c\u00e1ch ly trong b\u1ec3 c\u00e1ch ly v\u1edbi nhi\u1ec7t \u0111\u1ed9 t\u0103ng l\u00ean \u00edt nh\u1ea5t 77 \u0111\u1ed9 F. Ngo\u00e0i ra, s\u1ebd r\u1ea5t c\u00f3 l\u1ee3i n\u1ebfu b\u1ea1n c\u0169ng t\u0103ng m\u1ee9c mu\u1ed1i l\u00ean kho\u1ea3ng 0,3%.<\/p>\n

27. K\u00fd sinh tr\u00f9ng Trichodina<\/h2>\n

M\u1ed9t trong nh\u1eefng lo\u1ea1i k\u00fd sinh tr\u00f9ng \u0111\u01a1n b\u00e0o d\u1ec5 d\u00e0ng nh\u00ecn th\u1ea5y d\u01b0\u1edbi k\u00ednh hi\u1ec3n vi v\u00e0 x\u00e1c nh\u1eadn r\u1eb1ng c\u00e1 c\u1ee7a b\u1ea1n \u0111\u00e3 b\u1ecb nhi\u1ec5m b\u1ec7nh l\u00e0 Trichodina. Nhi\u1ec5m k\u00fd sinh tr\u00f9ng Trichodina c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n b\u1eb1ng c\u00e1ch xu\u1ea5t hi\u1ec7n m\u00e0u tr\u1eafng x\u00e1m \u0111\u1ee5c tr\u00ean c\u01a1 th\u1ec3 c\u00e1 Koi b\u1ecb nhi\u1ec5m b\u1ec7nh.<\/p>\n

Trichodina l\u00e0 m\u1ed9t lo\u1ea1i k\u00fd sinh tr\u00f9ng n\u01b0\u1edbc \u1ea5m v\u00e0 c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i trong n\u01b0\u1edbc m\u1ed9t kho\u1ea3ng th\u1eddi gian \u0111\u00e1ng k\u1ec3 m\u00e0 kh\u00f4ng c\u1ea7n v\u1eadt ch\u1ee7.<\/p>\n

Nh\u00ecn b\u1ec1 ngo\u00e0i, ch\u00fang c\u00f3 h\u00ecnh tr\u00f2n v\u1edbi h\u00e0ng tr\u0103m m\u00f3c nh\u1ecf tr\u00f4ng gi\u1ed1ng nh\u01b0 l\u00f4ng mao. N\u00f3 quay li\u00ean t\u1ee5c khi di chuy\u1ec3n qua ch\u1ea5t nh\u1ea7y, g\u00e2y t\u1ed5n th\u01b0\u01a1ng m\u00f4 c\u1ee7a Koi.<\/p>\n

Lo\u1ea1i k\u00fd sinh tr\u00f9ng n\u00e0y t\u1ea5n c\u00f4ng c\u1ea3 da v\u00e0 mang c\u1ee7a c\u00e1 Koi. C\u00e1 b\u1ecb nhi\u1ec5m b\u1ec7nh c\u0169ng th\u01b0\u1eddng c\u00f3 c\u00e1c tri\u1ec7u ch\u1ee9ng nh\u01b0 nh\u1ea5p nh\u00e1y, x\u00e2y x\u00e1t v\u00e0 h\u00f4n m\u00ea.<\/p>\n

\u0110i\u1ec1u tr\u1ecb Trichodina<\/h3>\n

\u0110i\u1ec1u tr\u1ecb b\u1ec7nh n\u00e0y v\u1edbi m\u1ed9t \u0111\u1ee3t t\u0103ng \u0111\u1ed9 m\u1eb7n 5 ng\u00e0y (0,5 \u0111\u1ebfn 0,6%). Do kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng ng\u00e0y c\u00e0ng t\u0103ng c\u1ee7a m\u1ed9t s\u1ed1 sinh v\u1eadt \u0111\u1ed1i v\u1edbi ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd mu\u1ed1i, c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i s\u1eed d\u1ee5ng formalin.<\/p>\n

28. Virus herpes (b\u1ec7nh KHV)<\/h2>\n

\"VirusVirus n\u00e0y l\u00e0 m\u1ed9t lo\u1ea1i kh\u00e1 m\u1ea1nh. M\u1ed9t s\u1ed1 t\u00e1c \u0111\u1ed9ng c\u1ee7a b\u1ec7nh n\u00e0y l\u00e0 bong tr\u00f3c da, khi\u1ebfn c\u00e1 koi d\u1ec5 b\u1ecb nhi\u1ec5m vi khu\u1ea9n. C\u00e1 koi c\u1ee7a b\u1ea1n s\u1ebd l\u1edd \u0111\u1edd, b\u1ecb l\u1edf lo\u00e9t v\u00e0 t\u1ed5n th\u01b0\u01a1ng tr\u00ean da, mang v\u00e0 v\u00e2y.<\/p>\n

B\u1edfi v\u00ec m\u1ed9t s\u1ed1 b\u1ec7nh c\u00f3 c\u00e1c tri\u1ec7u ch\u1ee9ng tr\u00f9ng l\u1eb7p, c\u00e1c t\u1ed5n th\u01b0\u01a1ng \u1edf mang l\u00e0 m\u1ed9t trong nh\u1eefng d\u1ea5u hi\u1ec7u x\u00e1c \u0111\u1ecbnh KHV. Lo\u1ea1i virus n\u00e0y d\u1ec5 l\u00e2y lan v\u00e0 t\u1ef7 l\u1ec7 t\u1eed vong cao n\u00ean vi\u1ec7c \u0111i\u1ec1u tr\u1ecb c\u1ea7n nhanh ch\u00f3ng.<\/p>\n

\u0110i\u1ec1u tr\u1ecb Virus Herpes \u1edf c\u00e1 Koi<\/h3>\n

T\u0103ng n\u1ed3ng \u0111\u1ed9 mu\u1ed1i l\u00ean kho\u1ea3ng 0,45% v\u00e0 nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc l\u00ean kho\u1ea3ng 1 \u0111\u1ed9 F m\u1ed7i gi\u1edd cho \u0111\u1ebfn khi nhi\u1ec7t \u0111\u1ed9 l\u00ean \u0111\u1ebfn 87 \u0111\u1ed9. C\u00e1 ph\u1ea3i \u1edf trong t\u00ecnh tr\u1ea1ng n\u00e0y trong 4 ng\u00e0y v\u00e0 n\u00ean cho \u0103n th\u1ee9c \u0103n c\u00f3 t\u1ea9m thu\u1ed1c nh\u01b0 MedFinn.<\/p>\n

29. Gi\u00f2i nang<\/h2>\n

M\u1ed9t lo\u1ea1i k\u00fd sinh tr\u00f9ng kh\u00e1c \u0111\u00f4i khi l\u00e2y nhi\u1ec5m cho c\u00e1 Koi l\u00e0 gi\u00f2i mang. K\u00fd sinh tr\u00f9ng th\u01b0\u1eddng t\u1ea5n c\u00f4ng mang c\u00e1 Koi nh\u1ea5t v\u00e0 c\u00f3 h\u00ecnh d\u1ea1ng t\u00fai tr\u1ee9ng gi\u1ed1ng gi\u00f2i. N\u00f3 l\u00e0 m\u1ed9t lo\u1ea1i k\u00fd sinh tr\u00f9ng kh\u00f4ng ph\u1ed5 bi\u1ebfn. \u0110\u00f4i khi \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong h\u1ed3 c\u00e1 Koi nh\u01b0ng khi xu\u1ea5t hi\u1ec7n, n\u00f3 c\u00f3 th\u1ec3 g\u00e2y cho c\u00e1 Koi kh\u00e1 nhi\u1ec1u v\u1ea5n \u0111\u1ec1 kh\u00f3 ch\u1ecbu.<\/p>\n

\"\"B\u1ea1n s\u1ebd nh\u1eadn th\u1ea5y c\u00e1 koi nh\u1ea5p nh\u00e1y v\u00e0 sau \u0111\u00f3 mang c\u00e1 tr\u1edf n\u00ean k\u00e9m hi\u1ec7u qu\u1ea3 h\u01a1n trong vi\u1ec7c h\u1ea5p th\u1ee5 oxy. D\u1ea5u hi\u1ec7u nhi\u1ec5m tr\u00f9ng r\u00f5 r\u00e0ng nh\u1ea5t l\u00e0 nh\u00ecn th\u1ea5y m\u1ed9t con c\u00e1 Koi \u0111ang th\u1edf h\u1ed5n h\u1ec3n tr\u00ean b\u1ec1 m\u1eb7t ao.<\/p>\n

\u0110i\u1ec1u tr\u1ecb gi\u00f2i mang<\/h3>\n

S\u1ea3n ph\u1ea9m Lice-Solve \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e0 c\u00f3 hi\u1ec7u qu\u1ea3 ch\u1ed1ng l\u1ea1i gi\u00f2i mang (c\u0169ng nh\u01b0 argulus). Nh\u01b0ng b\u1ea1n s\u1ebd c\u1ea7n ph\u1ea3i t\u0103ng c\u01b0\u1eddng s\u1ee5c kh\u00ed. B\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m d\u1ecbch to\u00e0n b\u1ed9 ao ho\u1eb7c t\u1eebng con c\u00e1.<\/p>\n

30. Bent koi (v\u1eb9o c\u1ed9t s\u1ed1ng)<\/h2>\n

Ch\u1ee7 s\u1edf h\u1eefu h\u1ed3 Koi \u0111\u00f4i khi c\u00f3 th\u1ec3 nh\u1eadn th\u1ea5y r\u1eb1ng m\u1ed9t trong nh\u1eefng con c\u00e1 koi c\u1ee7a m\u00ecnh c\u00f3 ngo\u1ea1i h\u00ecnh cong. C\u00f3 th\u1ec3 gi\u1ea3i th\u00edch cho \u0111i\u1ec1u n\u00e0y nh\u01b0 sau:<\/p>\n