Food and Feeding Habits of Common Carp (Cyprinus carpio) Larvae and Juveniles in Earthen Ponds | ||
| Basrah Journal of Agricultural Sciences | ||
| Article 5, Volume 29, Issue 1, June 2016, Pages 17-24 PDF (0 K) | ||
| DOI: 10.33762/bagrs.2016.120922 | ||
| Authors | ||
| Jinan H. Al-Lamy; Majid M. Taher | ||
| Abstract | ||
| Food and feeding habits of common carp (Cyprinus carpio) larvae and juveniles were studied in earthen ponds of Marine Science Centre Fish Farm. Total length and mouth width of fish were measured aid of dissecting microscope, while digestive canal contents and fullness degree were inspected aid of compound microscope. Water temperature was between 22-24 °C, whereas salinity was 4 PSU. Results are showed high correlation (0.98) between fish length and mouth width, where mouth width was increased with increasing of fish length. Feeding intensity and activity were 13.98 and 88% respectively, whereas important relative indexes were 3731, 2559, 2263 and 1 for artificial feed, algae, diatoms and copepods respectively. Results appeared that digestive canal of fish less than 25 ml length was undifferentiated straight pipe while in fish more than 25 mm length was curved pipe. Five genere of algae (Chlorella, Oscillatoria Rhizosolina, Spirogyra and Ulothrix ) were detected in the alimentary canal of fish. | ||
| Keywords | ||
| Fish; Common carp; Food; feeding; earthen ponds | ||
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