C\u00e1c ki\u1ec3u ph\u1ed1i gi\u1ed1ng ch\u00f3 m\u00e8o c\u1eadn huy\u1ebft, \u0111\u1ed3ng huy\u1ebft, lai xa v\u00e0 b\u00ed quy\u1ebft \u0111\u1ec3 c\u00f3 Line ri\u00eang th\u00e0nh c\u00f4ng. M\u1eddi c\u00e1c b\u1ea1n c\u00f9ng tham kh\u1ea3o b\u00e0i vi\u1ebft b\u00ean d\u01b0\u1edbi.<\/p>\n
Ch\u00fang t\u00f4i th\u1ea5y r\u1eb1ng nhi\u1ec1u ng\u01b0\u1eddi h\u1ecfi mua ch\u00f3 m\u00e8o th\u01b0\u1eddng mu\u1ed1n mua m\u1ed9t c\u1eb7p kh\u00f4ng tr\u00f9ng huy\u1ebft th\u1ed1ng. C\u0169ng nh\u01b0 r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi k\u00ec th\u1ecb nh\u00e2n gi\u1ed1ng c\u1eadn huy\u1ebft. Nh\u01b0ng trong nh\u00e2n gi\u1ed1ng chuy\u00ean nghi\u1ec7p li\u1ec7u c\u00f3 th\u1ec3 n\u00ean s\u1eed d\u1ee5ng nh\u1eefng con ho\u00e0n to\u00e0n kh\u00f4ng tr\u00f9ng huy\u1ebft th\u1ed1ng kh\u00f4ng?<\/p>\n
Inbreeding l\u00e0 vi\u1ec7c lai gi\u1ed1ng gi\u1eefa nh\u1eefng con ch\u00f3 m\u00e8o gi\u1ed1ng c\u00f3 m\u1ed1i quan h\u1ec7 h\u1ecd h\u00e0ng r\u1ea5t g\u1ea7n. \u0110\u00f4i khi nh\u00e2n gi\u1ed1ng li\u00ean ti\u1ebfp nhi\u1ec1u \u0111\u1eddi. V\u00ed d\u1ee5: cha \u2013 con, c\u00f9ng cha kh\u00e1c m\u1eb9, c\u00f9ng m\u1eb9 kh\u00e1c cha, anh em, m\u1eb9 con. Inbreeding l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh gi\u00fap t\u0103ng c\u01b0\u1eddng c\u00e1c \u0111\u1eb7c t\u00ednh v\u00e0 \u0111\u1eb7c tr\u01b0ng ri\u00eang. C\u1ea3 t\u00ednh t\u1ed1t v\u00e0 t\u00ednh x\u1ea5u. M\u1ee5c ti\u00eau c\u1ee7a Inbreeding l\u00e0 gi\u00fap lo\u1ea1i b\u1ecf c\u00e1c l\u1ed7i v\u00e0 t\u0103ng c\u01b0\u1eddng c\u00e1c \u0111\u1eb7c t\u00ednh m\u00e0 Breeder (nh\u00e0 nh\u00e2n gi\u1ed1ng) mong mu\u1ed1n. B\u1eb1ng c\u00e1ch gia t\u0103ng s\u1ef1 \u0111\u1ed3ng h\u1ee3p c\u00e1c b\u1ed9 gen c\u1ee7a th\u1ebf h\u1ec7 sau.<\/p>\n
Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, Inbreeding l\u00e0 c\u1ea7n thi\u1ebft nh\u01b0 vi\u1ec7c t\u1ea1o ra m\u1ed9t gi\u1ed1ng m\u1edbi ho\u1eb7c gi\u00fap nh\u00e2n th\u00eam nh\u1eefng lo\u00e0i \u0111ang c\u00f3 nguy c\u01a1 tuy\u1ec7t ch\u1ee7ng. B\u1edfi trong c\u1ea3 2 tr\u01b0\u1eddng h\u1ee3p n\u00e0y th\u00ec khi b\u1eaft \u0111\u1ea7u ch\u00fang ta ch\u1ec9 c\u00f3 v\u00e0i con gi\u1ed1ng m\u00e0 th\u00f4i. N\u00ean ch\u00fang c\u1ea7n ph\u1ea3i ph\u1ed1i v\u1edbi nhau v\u00e0i \u0111\u1eddi \u0111\u1ec3 c\u00f3 th\u1ec3 t\u0103ng s\u1ed1 l\u01b0\u1ee3ng con gi\u1ed1ng trong lo\u00e0i. B\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y nh\u1eefng gi\u1ed1ng ch\u00f3 ng\u00e0y nay \u0111\u1ec1u c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m r\u1ea5t \u0111\u1eb7c tr\u01b0ng (k\u1ec3 c\u1ea3 nh\u1eefng gi\u1ed1ng m\u1edbi lai t\u1ea1o hay c\u00e1c gi\u1ed1ng c\u1ed5). N\u1ebfu kh\u00f4ng c\u00f3 s\u1ef1 ph\u00e2n lo\u1ea1i c\u00e1c \u0111\u1eb7c t\u00ednh th\u00ec kh\u00f4ng th\u1ec3 t\u1ea1o ra m\u1ed9t gi\u1ed1ng m\u1edbi. Ho\u1eb7c kh\u00f4ng th\u1ec3 lo\u1ea1i \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1eb7c t\u00ednh kh\u00f4ng mong mu\u1ed1n.<\/p>\n
\u0110\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c vi\u1ec7c lo\u1ea1i b\u1ecf c\u00e1c gen x\u1ea5u v\u00e0 \u0111\u1ed3ng h\u1ee3p ho\u00e1 c\u00e1c gen t\u1ed1t gi\u00fap c\u00e1c c\u00e1 th\u1ec3 \u0111\u1eddi sau thu\u1ea7n ch\u1ee7ng \u1edf m\u1ee9c t\u1ed1t. C\u00e1c t\u00ednh tr\u1ea1ng t\u1ed1t tr\u1edf th\u00e0nh t\u00ednh tr\u1ea1ng \u0111\u1ed3ng h\u1ee3p, gi\u00fap t\u00ednh tr\u1ea1ng n\u00e0y di truy\u1ec1n \u1ed5n \u0111\u1ecbnh qua c\u00e1c \u0111\u1eddi sau. Ch\u00ednh v\u00ec v\u1eady m\u00e0 c\u00e1c th\u1ebf h\u1ec7 cha m\u1eb9 v\u00e0 t\u1ed5 ti\u00ean c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra k\u0129 tr\u01b0\u1edbc khi nh\u00e2n gi\u1ed1ng. Lo\u1ea1i b\u1ecf c\u00e1c l\u1ed7i c\u1ea5u tr\u00fac v\u00e0 l\u1ed7i v\u1ec1 s\u1ee9c kho\u1ebb. \u0110\u1ec3 c\u00f3 th\u1ec3 tr\u00e1nh c\u00e1c gen l\u1ed7i v\u00e0 lo\u1ea1i b\u1ecf c\u00e1c b\u1ec7nh di truy\u1ec1n.<\/p>\n
B\u1ea1n c\u1ea7n ph\u1ea3i t\u00ecm hi\u1ec3u th\u1eadt k\u1ef9 c\u00e1c \u0111\u1eddi c\u1ee7a ch\u00f3 m\u00e8o gi\u1ed1ng. C\u00e0ng nhi\u1ec1u \u0111\u1eddi c\u00e0ng t\u1ed1t. Vi\u1ec7c n\u00e0y m\u1ea5t r\u1ea5t nhi\u1ec1u th\u1eddi gian nh\u01b0ng l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 tr\u00e1nh nh\u1eefng \u0111i\u1ec1u kh\u00f4ng mong mu\u1ed1n sau n\u00e0y. \u0110\u1ec3 c\u00f3 th\u1ec3 t\u00ecm ra c\u00e1c \u0111\u1ed3ng h\u1ee3p t\u1eed c\u1ea7n thi\u1ebft v\u00e0 c\u1ea3 nh\u1eefng \u0111\u1ed3ng h\u1ee3p t\u1eed kh\u00f4ng c\u1ea7n thi\u1ebft.<\/p>\n
N\u1ebfu b\u1ea1n quan t\u00e2m t\u1edbi Inbreeding th\u00ec n\u00ean \u0111\u1ecdc th\u00eam v\u1ec1 h\u1ec7 s\u1ed1 lai c\u1eadn huy\u1ebft nh\u00e9. \u0110\u00e2y l\u00e0 b\u00e0i nh\u00e2n gi\u1ed1ng c\u01a1 b\u1ea3n n\u00ean ch\u00fang t\u00f4i s\u1ebd kh\u00f4ng \u0111\u1ec1 c\u1eadp s\u00e2u v\u1ec1 c\u00e1i n\u00e0y. Inbreeding kh\u00f4ng khuy\u1ebfn c\u00e1o cho nh\u1eefng ng\u01b0\u1eddi kh\u00f4ng chuy\u00ean hay v\u1edbi nh\u1eefng con gi\u1ed1ng ban \u0111\u1ea7u k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng. V\u00ec n\u1ebfu b\u1ea1n kh\u00f4ng hi\u1ec3u k\u0129 v\u1ec1 vi\u1ec7c th\u1ebf n\u00e0o l\u00e0 m\u1ed9t t\u00ednh tr\u1ea1ng t\u1ed1t c\u1ea7n gi\u1eef hay t\u00ednh tr\u1ea1ng x\u1ea5u c\u1ea7n ph\u1ea3i lo\u1ea1i b\u1ecf th\u00ec vi\u1ec7c nh\u00e2n gi\u1ed1ng n\u00e0y c\u00f3 th\u1ec3 khi\u1ebfn cho Line c\u1ee7a b\u1ea1n te tua h\u01a1n v\u1edbi nh\u1eefng con con b\u1ec7nh t\u1eadt \u0111\u1ea5y.<\/p>\n
Linebreeding L\u00e0 vi\u1ec7c nh\u00e2n gi\u1ed1ng gi\u1eefa c\u00e1c con gi\u1ed1ng c\u00f3 quan h\u1ec7 h\u1ecd h\u00e0ng. \u00cdt nh\u1ea5t xa t\u1eeb hai \u0111\u1eddi tr\u1edf l\u00ean, nh\u01b0 \u00f4ng, ch\u00e1u, ch\u00fa ch\u00e1u, anh em h\u1ecd.<\/p>\n
Linebreeding gi\u00fap b\u1ea3o v\u1ec7 c\u00e1c \u0111\u1eb7c t\u00ednh t\u1ed1t c\u1ee7a m\u1ed9t line. \u0110\u1ed3ng th\u1eddi gi\u1eef \u0111\u01b0\u1ee3c s\u1ef1 \u0111a d\u1ea1ng ngu\u1ed3n gen. Vi\u1ec7c lai gi\u1ed1ng Linebreeding gi\u00fap c\u00e1c l\u1ee9a sau \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ed3ng nh\u1ea5t h\u01a1n v\u1ec1 c\u00e1c t\u00ednh tr\u1ea1ng t\u1ed1t. \u0110\u1ed3ng th\u1eddi gi\u1ea3m thi\u1ec3u c\u00e1c nguy c\u01a1 di truy\u1ec1n d\u1ecb t\u1eadt c\u1ee7a Inbreeding.<\/p>\n
T\u01b0\u01a1ng t\u1ef1 nh\u00e2n gi\u1ed1ng Inbreeding, \u0111\u1ec3 c\u00f3 c\u01a1 h\u1ed9i c\u1ee7ng c\u1ed1 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m mong mu\u1ed1n v\u00e0 lo\u1ea1i b\u1ecf c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 s\u1ee9c kho\u1ebb. Breeder c\u1ea7n ph\u1ea3i c\u00f3 hi\u1ec3u bi\u1ebft s\u00e2u r\u1ed9ng v\u1ec1 ph\u1ea3 h\u1ec7 c\u1ee7a con \u0111\u1ef1c v\u00e0 con c\u00e1i trong \u00edt nh\u1ea5t 5 th\u1ebf h\u1ec7.<\/p>\n
Khi nh\u00e2n gi\u1ed1ng Line-breeding, ng\u01b0\u1eddi ta th\u01b0\u1eddng khuy\u00ean n\u00ean t\u00ecm c\u00f9ng m\u1ed9t ho\u1eb7c c\u00e1c t\u1ed5 ti\u00ean trong line c\u1ee7a c\u1ea3 con \u0111\u1ef1c v\u00e0 con c\u00e1i. \u0110\u1ec3 t\u0103ng c\u01a1 h\u1ed9i gh\u00e9p c\u00e1c gen v\u00e0o con con trong t\u01b0\u01a1ng lai. R\u00f5 r\u00e0ng vi\u1ec7c l\u1ef1a ch\u1ecdn cha m\u1eb9 c\u1ea9n th\u1eadn l\u00e0 r\u1ea5t quan tr\u1ecdng n\u1ebfu b\u1ea1n mu\u1ed1n l\u01b0u l\u1ea1i \u0111\u01b0\u1ee3c huy\u1ebft th\u1ed1ng t\u1ed1t. \u0110\u1ed3ng th\u1eddi ph\u1ea3i ch\u1ecdn con con t\u1ed1t nh\u1ea5t trong \u0111\u00e0n. Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 nh\u1eefng con con s\u1ebd c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m t\u1ed1t b\u1ea1n \u0111ang theo \u0111u\u1ed5i. N\u00ean b\u1ea1n ph\u1ea3i l\u1ef1a ch\u1ecdn con con c\u00f3 nh\u1eefng \u0111\u1eb7c t\u00ednh m\u00e0 b\u1ea1n mong mu\u1ed1n th\u1eadt c\u1ea9n th\u1eadn \u0111\u1ec3 c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c nh\u00e2n gi\u1ed1ng n\u00f3.<\/p>\n
Nh\u00ecn chung, h\u1ea7u h\u1ebft c\u00e1c Breeder lai t\u1ea1o theo quy tr\u00ecnh nh\u00e2n gi\u1ed1ng c\u1ee7a Line breeding. \u0110\u1ec3 c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 \u0111\u1ed3ng nh\u1ea5t v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng. Gi\u00fap c\u00e1c \u0111\u1eb7c t\u00ednh t\u1ed1t di truy\u1ec1n \u1ed5n \u0111\u1ecbnh m\u00e0 \u00edt g\u1eb7p nguy hi\u1ec3m ti\u1ec1m t\u00e0ng nh\u01b0 khi lai gi\u1ed1ng Inbreeding.<\/p>\n
Back-breeding l\u00e0 m\u1ed9t d\u1ea1ng kh\u00e1c c\u1ee7a nh\u00e2n gi\u1ed1ng c\u1eadn huy\u1ebft Inbreeding. Khi m\u1ed9t con gi\u1ed1ng \u0111\u01b0\u1ee3c ph\u1ed1i gi\u1ed1ng li\u00ean t\u1ee5c v\u1edbi c\u00e1c con \u0111\u1eb9p nh\u1ea5t c\u1ee7a c\u00e1c \u0111\u1eddi tr\u1ef1c h\u1ec7 ti\u1ebfp theo c\u1ee7a n\u00f3. N\u1ebfu l\u00e0 m\u1ed9t con \u0111\u1ef1c, n\u00f3 s\u1ebd v\u1eeba l\u00e0 c\u1ee5, v\u1eeba l\u00e0 cha, v\u1eeba l\u00e0 \u00f4ng c\u1ee7a con \u0111\u1eddi th\u1ee9 4. C\u1ee9 nh\u01b0 v\u1eady c\u00e0ng \u1edf \u0111\u1eddi sau con con s\u1ebd c\u00e0ng gi\u1ed1ng con kh\u1edfi thu\u1ef7.<\/p>\n
Back-breeding l\u00e0 ph\u01b0\u01a1ng ph\u00e1p gi\u00fap t\u00e1i t\u1ea1o l\u1ea1i ch\u00f3 m\u00e8o gi\u1ed1ng ban \u0111\u1ea7u. Gi\u00fap c\u00e1c con \u0111\u1eddi sau mang nh\u1eefng t\u00ednh tr\u1ea1ng t\u1ed1t \u0111\u1ed3ng h\u1ee3p c\u1ee7a con ban \u0111\u1ea7u. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p v\u1edbi Inbreeding trong giai \u0111o\u1ea1n \u0111\u1ea7u v\u00e0 ti\u1ebfp t\u1ee5c b\u1eb1ng Linebreeding \u0111\u1ec3 m\u1edf r\u1ed9ng ngu\u1ed3n gen.<\/p>\n
Nh\u00ecn chung nh\u00e2n gi\u1ed1ng ch\u00f3 m\u00e8o c\u1eadn huy\u1ebft kh\u00f4ng d\u00e0nh cho tay ngang. N\u1ebfu b\u1ea1n kh\u00f4ng nh\u00ecn ra \u0111\u01b0\u1ee3c nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m t\u1ed1t c\u1ea7n gi\u1eef l\u1ea1i. Hay \u0111\u1eb7c \u0111i\u1ec3m x\u1ea5u c\u1ea7n lo\u1ea1i b\u1ecf, b\u1ea1n s\u1ebd t\u1ef1 gi\u1ebft ch\u1ebft k\u1ebf ho\u1ea1ch nh\u00e2n gi\u1ed1ng c\u1ee7a m\u00ecnh tr\u01b0\u1edbc khi c\u00f3 \u0111\u01b0\u1ee3c Line ri\u00eang \u0111\u1eb9p \u0111\u1ebd.<\/p>\n
Out-crossing l\u00e0 ph\u01b0\u01a1ng ph\u00e1p nh\u00e2n gi\u1ed1ng 2 con gi\u1ed1ng. L\u00e0 s\u1ea3n ph\u1ea9m c\u1ee7a Linebreeding nh\u01b0ng thu\u1ed9c hai line kh\u00e1c nhau. Ch\u00fang kh\u00f4ng c\u00f3 c\u00f9ng t\u1ed5 ti\u00ean trong v\u00f2ng \u00edt nh\u1ea5t 4 \u0111\u1eddi. 4 \u0111\u1eddi l\u00e0 ok b\u1edfi th\u1ef1c t\u1ebf l\u00e0 r\u1ea5t kh\u00f3 c\u00f3 th\u1ec3 t\u00ecm \u0111\u01b0\u1ee3c nh\u1eefng con ho\u00e0n to\u00e0n kh\u00f4ng li\u00ean quan t\u1edbi nhau. V\u00ec \u0111a ph\u1ea7n ch\u00fang \u0111\u1ec1u c\u00f3 c\u00f9ng m\u1ed9t t\u1ed5 ti\u00ean th\u00f4i.<\/p>\n
Th\u01b0\u1eddng Out-crossing \u0111\u01b0\u1ee3c Breeder s\u1eed d\u1ee5ng \u0111\u1ec3 th\u00eam v\u00e0o line c\u1ee7a m\u00ecnh m\u1ed9t \u0111\u1eb7c t\u00ednh m\u1edbi. Gi\u00fap n\u00e2ng cao s\u1ee9c kho\u1ebb v\u00e0 t\u1ea1o m\u1ed9t \u0111\u1eb7c t\u00ednh t\u1ed1t. Ngo\u00e0i ra c\u0169ng \u0111\u1ec3 gi\u1ea3m thi\u1ec3u l\u1ed7i g\u00e2y ra b\u1edfi c\u00e1c \u0111\u1ed3ng h\u1ee3p x\u1ea5u \u0111\u01b0\u1ee3c t\u1ea1o ra trong qu\u00e1 tr\u00ecnh nh\u00e2n gi\u1ed1ng c\u1eadn huy\u1ebft. Out-crossing l\u00e0 c\u1ea7n thi\u1ebft khi m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh nh\u00e2n gi\u1ed1ng b\u1ecb suy gi\u1ea3m nh\u01b0 vi\u1ec7c nh\u00e2n gi\u1ed1ng c\u1eadn huy\u1ebft. L\u00e0m gi\u1ea3m t\u1ec9 l\u1ec7 sinh s\u1ea3n hay gi\u1ea3m kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecdi b\u1ec7nh t\u1eadt.<\/p>\n
Lai xa th\u01b0\u1eddng c\u00f3 \u01b0u th\u1ebf m\u1ea1nh m\u1ebd \u1edf F1. Khi con con \u1edf th\u1ebf h\u1ec7 \u0111\u1ea7u ti\u00ean th\u01b0\u1eddng \u0111\u1eb9p v\u01b0\u1ee3t tr\u1ed9i v\u1edbi nh\u1eefng t\u00ednh tr\u1ea1ng t\u1ed1t c\u1ee7a cha m\u1eb9 \u0111\u1ec1u th\u1ec3 hi\u1ec7n \u1edf F1. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao m\u1ed9t s\u1ed1 con con \u1edf F1 th\u01b0\u1eddng gi\u00e0nh gi\u1ea3i cao khi show. Gi\u00fap ch\u1eefa m\u1ed9t s\u1ed1 l\u1ed7i \u1edf line c\u0169.<\/p>\n
Tuy nhi\u00ean b\u1ea1n n\u00ean nh\u1edb r\u1eb1ng gen c\u1ee7a con con F1 \u0111\u1eb9p \u0111\u1ebd n\u00e0y kh\u00f4ng ph\u1ea3i gen \u0111\u1ed3ng h\u1ee3p. V\u1eady n\u00ean t\u1ec9 l\u1ec7 di truy\u1ec1n qua th\u1ebf h\u1ec7 F2 c\u1ee7a n\u00f3 s\u1ebd gi\u1ea3m xu\u1ed1ng. Con \u1edf F2 n\u1ebfu ti\u1ebfp t\u1ee5c nh\u00e2n gi\u1ed1ng Outcrossing s\u1ebd kh\u00f3 l\u00f2ng gi\u1eef \u0111\u01b0\u1ee3c nh\u1eefng t\u00ednh tr\u1ea1ng t\u1ed1t n\u00e0y. Khi\u1ebfn ch\u00fang ta kh\u00f4ng \u0111o\u00e1n \u0111\u01b0\u1ee3c nh\u1eefng t\u00ednh tr\u1ea1ng \u1edf \u0111\u1eddi ti\u1ebfp theo, ph\u00e1 v\u1ee1 s\u1ef1 \u1ed5n \u0111\u1ecbnh \u0111\u1eb7c t\u00ednh c\u1ee7a line. Khi\u1ebfn con sinh ra kh\u00f4ng con n\u00e0o gi\u1ed1ng con n\u00e0o.<\/p>\n
N\u00ean th\u01b0\u1eddng sau \u0111\u00f3 c\u00e1c Breeder l\u1ea1i ph\u1ea3i d\u00f9ng Linebreeding v\u00e0 Inbreeding \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh l\u1ea1i gen \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c t\u00ednh tr\u1ea1ng t\u1ed1t \u0111\u01b0\u1ee3c di truy\u1ec1n \u1ed5n \u0111\u1ecbnh qua c\u00e1c \u0111\u1eddi sau.<\/p>\n
N\u1ebfu b\u1ea1n v\u1eabn mu\u1ed1n \u00f4m l\u1ea5y t\u01b0 t\u01b0\u1edfng tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c lai g\u1ea7n. H\u00e3y google search: how outcrossing destroys a breeding program<\/em> nh\u00e9. N\u1ebfu b\u1ea1n kh\u00f4ng c\u00f3 nhu c\u1ea7u t\u1ea1o line ri\u00eang \u1ed5n \u0111\u1ecbnh hay nhu c\u1ea7u t\u1ea1o F2, F3. Ch\u1ec9 c\u1ea7n F1 th\u00f4i th\u00ec Out crossing l\u00e0 ki\u1ec3u nh\u00e2n gi\u1ed1ng an to\u00e0n. Nh\u01b0ng ng\u01b0\u1eddi mua c\u00e1c F1 n\u00e0y n\u00ean l\u01b0u \u00fd, ki\u1ec3u h\u00ecnh n\u00e0y c\u00f3 th\u1ec3 kh\u00f3 truy\u1ec1n t\u1edbi \u0111\u1eddi sau.<\/p>\n Type breeding \u0111\u00e2y l\u00e0 ki\u1ec3u nh\u00e2n gi\u1ed1ng v\u1edbi 2 con gi\u1ed1ng c\u00f3 nh\u1eefng t\u00ednh tr\u1ea1ng nh\u00ecn gi\u1ed1ng nhau. Ki\u1ec3u nh\u00e2n gi\u1ed1ng con \u0111\u1ef1c \u0111\u1eb9p nh\u1ea5t v\u1edbi con c\u00e1i \u0111\u1eb9p nh\u1ea5t. V\u00e0 hi v\u1ecdng con con s\u1ebd gi\u1ed1ng b\u1ed1 m\u1eb9. Vi\u1ec7c nh\u00e2n gi\u1ed1ng n\u00e0y ho\u00e0n to\u00e0n ch\u1ec9 d\u1ef1a tr\u00ean nh\u1eefng ki\u1ec3u h\u00ecnh th\u1ec3 hi\u1ec7n ra b\u00ean ngo\u00e0i c\u1ee7a con b\u1ed1 v\u00e0 con m\u1eb9. Ch\u1ee9 kh\u00f4ng quan t\u00e2m nhi\u1ec1u t\u1edbi gen \u1ea9n b\u00ean trong. N\u1ebfu con \u0111\u1ef1c v\u00e0 con c\u00e1i \u0111\u1ec1u mang gen l\u1ed7i hay b\u1ec7nh th\u00ec s\u1ebd c\u00f3 kh\u1ea3 n\u0103ng cao m\u1ed9t trong nh\u1eefng con con s\u1ebd th\u1ec3 hi\u1ec7n ra b\u00ean ngo\u00e0i l\u1ed7i. Tuy nhi\u00ean ki\u1ec3u nh\u00e2n gi\u1ed1ng n\u00e0y c\u0169ng c\u00f3 th\u1ec3 th\u00e0nh c\u00f4ng khi gia ph\u1ea3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u. T\u00ecm nh\u1eefng \u0111\u1eb7c t\u00ednh li\u00ean quan v\u1edbi nhau v\u00e0 sau \u0111\u00f3 ti\u1ebfp t\u1ee5c v\u1edbi Line breeding.<\/p>\n C\u00e1c b\u1ea1n c\u1ea7n hi\u1ec3u r\u1eb1ng \u0111\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c nh\u01b0 v\u1eady \u0111\u1ec3 t\u1ea1o ra con v\u1eeba \u0111\u1eb9p v\u1eeba \u1ed5n \u0111\u1ecbnh gen v\u1eeba kho\u1ebb kh\u00f4ng ph\u1ea3i ch\u1ec9 ph\u1ed1i b\u1eeba l\u00e0 \u0111\u01b0\u1ee3c. N\u00f3 l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh nghi\u00ean c\u1ee9u l\u00e2u d\u00e0i. V\u00e0 Pedigree l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng \u0111\u1ec3 bi\u1ebft ngu\u1ed3n g\u1ed1c con gi\u1ed1ng v\u00e0 nghi\u00ean c\u1ee9u c\u00e1c con gi\u1ed1ng trong gia ph\u1ea3.<\/p>\n Breeder kh\u00f4ng ph\u1ea3i l\u00e0 c\u00f4ng vi\u1ec7c d\u1ec5 d\u00e0ng ki\u1ec3u cho \u0111\u1ef1c v\u00e0 c\u00e1i ph\u1ed1i gi\u1ed1ng \u0111\u1ebb b\u00e1n \u0111\u00e0n ch\u00f3 con. L\u00e0m v\u1eady th\u00ec ch\u1ec9 Outcrossing kh\u00f4ng c\u0169ng kh\u00f4ng v\u1ea5n \u0111\u1ec1 g\u00ec. V\u00ec ch\u1ec9 c\u1ea7n F1, kh\u00f4ng quan t\u00e2m t\u1edbi c\u00e1c \u0111\u1eddi sau c\u00f3 duy tr\u00ec \u0111\u01b0\u1ee3c t\u00ednh tr\u1ea1ng t\u1ed1t thu\u1ea7n kh\u00f4ng.<\/p>\n Cho d\u00f9 s\u1eed d\u1ee5ng c\u00e1ch nh\u00e2n gi\u1ed1ng n\u00e0o, ch\u00fang ta c\u0169ng c\u1ea7n ph\u1ea3i l\u01b0u \u00fd nghi\u00ean c\u1ee9u k\u0129 con \u0111\u1ef1c v\u00e0 con c\u00e1i t\u1ed1t kh\u00f4ng \u0111\u01b0\u1ee3c c\u00f3 c\u00f9ng m\u1ed9t l\u1ed7i. N\u1ebfu kh\u00f4ng nh\u1eefng l\u1ed7i n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o trong gen v\u00e0 kh\u00f3 \u0111\u1ec3 lo\u1ea1i tr\u1eeb. Hi v\u1ecdng nh\u1eefng ki\u1ebfn th\u1ee9c tr\u00ean s\u1ebd gi\u00fap \u0111\u1ee1 b\u1ea1n trong nh\u1eefng l\u00fac \u0111\u1ea7u b\u01b0\u1edbc ch\u00e2n v\u00e0o nh\u00e2n gi\u1ed1ng. N\u1ebfu th\u00edch, h\u00e3y like Facebook c\u1ee7a B\u00e1c s\u0129 th\u00fa y Vi\u1ec7t Nam \u0111\u1ec3 \u0111\u00f3n \u0111\u1ecdc nh\u1eefng b\u00e0i vi\u1ebft b\u1ed5 \u00edch kh\u00e1c. (Nguyen Kieu Ngoc st).<\/p>\n<\/p>\n <\/p>\n C\u00e1c ki\u1ec3u ph\u1ed1i gi\u1ed1ng ch\u00f3 m\u00e8o c\u1eadn huy\u1ebft, \u0111\u1ed3ng huy\u1ebft, lai xa v\u00e0 b\u00ed quy\u1ebft \u0111\u1ec3 c\u00f3 Line ri\u00eang th\u00e0nh c\u00f4ng. M\u1eddi c\u00e1c b\u1ea1n c\u00f9ng tham kh\u1ea3o b\u00e0i vi\u1ebft b\u00ean d\u01b0\u1edbi. Ch\u00fang t\u00f4i th\u1ea5y r\u1eb1ng nhi\u1ec1u ng\u01b0\u1eddi h\u1ecfi mua ch\u00f3 m\u00e8o th\u01b0\u1eddng mu\u1ed1n mua m\u1ed9t c\u1eb7p kh\u00f4ng tr\u00f9ng huy\u1ebft th\u1ed1ng. C\u0169ng nh\u01b0 r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1015","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/robot.yeupet.vn\/index.php\/wp-json\/wp\/v2\/posts\/1015","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/robot.yeupet.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/robot.yeupet.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/robot.yeupet.vn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/robot.yeupet.vn\/index.php\/wp-json\/wp\/v2\/comments?post=1015"}],"version-history":[{"count":0,"href":"https:\/\/robot.yeupet.vn\/index.php\/wp-json\/wp\/v2\/posts\/1015\/revisions"}],"wp:attachment":[{"href":"https:\/\/robot.yeupet.vn\/index.php\/wp-json\/wp\/v2\/media?parent=1015"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/robot.yeupet.vn\/index.php\/wp-json\/wp\/v2\/categories?post=1015"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/robot.yeupet.vn\/index.php\/wp-json\/wp\/v2\/tags?post=1015"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}T\u00ecm hi\u1ec3u v\u1ec1 kh\u00e1i ni\u1ec7m Type-Breeding trong ph\u1ed1i gi\u1ed1ng ch\u00f3 m\u00e8o c\u1eadn huy\u1ebft<\/h2>\n
Nh\u1eefng l\u01b0u \u00fd kh\u00e1c khi ph\u1ed1i gi\u1ed1ng ch\u00f3 m\u00e8o c\u1eadn huy\u1ebft, \u0111\u1ed3ng huy\u1ebft<\/h2>\n