Feeding method of indoor fish larvae culture of Coilia nasus Schlegel in Yangtze River
The invention discloses a feeding method of indoor fish larvae culture of Coilia nasus Schlegel in Yangtze River. The method is characterized in that when fry are fed to 4 days old, algae water is filtered with a silk net of 200 meshes; live feed for fry at 5-8 days old is brachionus angularis, and...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a feeding method of indoor fish larvae culture of Coilia nasus Schlegel in Yangtze River. The method is characterized in that when fry are fed to 4 days old, algae water is filtered with a silk net of 200 meshes; live feed for fry at 5-8 days old is brachionus angularis, and the fry are fed with egg yolk in a supplementary mode; live feed for fry at 9-11 days old is brachionus calyciflorus, and chlamydomonas are supplemented; live feed for fry at 12-13 days old is brachionus calyciflorus and brachionus urceus, and chlamydomonas are supplemented; live feed for fry at 14-16 days old is filinia and asplanchna; live feed for fry at 17-18 days old is large freshwater rotifera, small cladocera and copepod nauplii; live feed for fry at 19-21 days old is medium cladocera and small copepods; live feed for fry at 22-28 days old is large cladocera and medium copepods; live feed for fry at 29-35 days old is large cladocera and copepod adults; fry at 30-35 days old with thefull length 2.0-2.5 cm ar |
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