鱼身ä¸æ红ç¹ï¼è¯´æé±¼å¾äºåºè¡ç
ã
[
ç
åä½] 为
ç±ç¹ç
æ¯ã
[çç¶] ç
é±¼çä½è¡¨åé»æ å
æ³½ï¼å£è
ãèèãåç§é³æ¡åºé¨é½å
è¡ï¼ææ¶é³çã头é¨ãè
¹å£ä¹æå
è¡ç°è±¡ï¼é³ä¸åé²çº¢çç¹ç¶ææåç¶å
è¡ï¼ä¸¥éçç
é±¼ï¼å å
¶ä»å¨å®ç»ç»å¤§éå
è¡ï¼ä½¿é³å¤±è¡èåèç½ï¼è¡¨ç°åºâç½é³âãæ¤å¤ï¼ç¼ççªåºï¼è éååå
èå¨å®è¡¨ç°å
è¡ãç
é±¼é£æ¬²ä¸æ¯ï¼è¡å¨è¿ç¼ï¼å¸¸ç¦»ç¾¤ç¬æ¸¸æåææ
¢æ¸¸ï¼ä½è´¨æ¶ç¦ï¼
èèè缩ï¼ä»¥è´æ»äº¡ãåç
å£èå¤å¨6ï½9æï¼æ°´æ¸©å¨25ï½30âæ为æµè¡ï¼
æ»äº¡çé¢é«ã
[æ²»çæ¹æ³]
(1)å
åç
§å°é³å
ï¼å¹¶éä½æ°´æ¸©è³25â以ä¸ï¼æç»10天左å³å¯è§çæã
(2)ç¨1ï¼
é£çæ°´æ´æµ´ï¼æç»1å¨ã
(3)ç¨å¤§é»åæ«é¦æ å¶0.25ï½0.5åå
ç æç²âæ«ï¼ç»ç
ç
®æçå¼æ°´æµ¸æ³¡åï¼é
以饵æå¶æè¯ç©é¥µæå饲ç
é±¼ï¼è¿ç»5天ï¼åæ¶å¨æ°´æç®±ä¸è¿ç»2天æ
ç¨æèçµç¾ä¸åä¹é¶ç¹å
(0.6ppm)ã
(4)ç¨æèçµç¾ä¸åä¹ä¸è³äº(3ï½5ppm)ï¼æ
éé
¸éãæ°¯åéã
ç¡«é
¸é溶液ç¾ä¸åä¹é¶ç¹ä¸(0.7ppm)ï¼æ大é»æµ¸å液è¿è¡æ°´æµ´æ²»çï¼æè¾å¥½ææã