C\u00e1ch \u0111\u1eb7t ti\u1ec1n trong nu\u00f4i s\u1ed1 ng\u1eafn ng\u00e0y nh\u01b0 v\u1eady n\u00ean theo ki\u1ec3u h\u00f4m sau nhi\u1ec1u h\u01a1n h\u00f4m tr\u01b0\u1edbc. M\u1ee5c \u0111\u00edch c\u1ee7a vi\u1ec7c ch\u01a1i nhi\u1ec1u h\u01a1n n\u00e0y l\u00e0 hi v\u1ecdng h\u00f4m sau s\u1ebd tr\u00fang l\u1edbn. C\u00f3 nh\u01b0 v\u1eady m\u1edbi b\u00f9 \u0111\u1eafp cho kho\u1ea3n l\u1ed7 h\u00f4m tr\u01b0\u1edbc. V\u00ec v\u1eady n\u1ebfu nu\u00f4i khung 3 ng\u00e0y l\u1ed7 nhi\u1ec1u h\u01a1n nu\u00f4i trong 2 ng\u00e0y n\u1ebfu tr\u01b0\u1ee3t.<\/p>\n