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El-Sherif, M. (2009). INFLUENCE OF USING DECAPSULATED ARTEMIA CYSTS FOR REARING OF CARP (Cyprinus carpio L.) LARVAE. Journal of Animal and Poultry Production, 34(5), 4533-4540. doi: 10.21608/jappmu.2009.117002
M. S. El-Sherif. "INFLUENCE OF USING DECAPSULATED ARTEMIA CYSTS FOR REARING OF CARP (Cyprinus carpio L.) LARVAE". Journal of Animal and Poultry Production, 34, 5, 2009, 4533-4540. doi: 10.21608/jappmu.2009.117002
El-Sherif, M. (2009). 'INFLUENCE OF USING DECAPSULATED ARTEMIA CYSTS FOR REARING OF CARP (Cyprinus carpio L.) LARVAE', Journal of Animal and Poultry Production, 34(5), pp. 4533-4540. doi: 10.21608/jappmu.2009.117002
El-Sherif, M. INFLUENCE OF USING DECAPSULATED ARTEMIA CYSTS FOR REARING OF CARP (Cyprinus carpio L.) LARVAE. Journal of Animal and Poultry Production, 2009; 34(5): 4533-4540. doi: 10.21608/jappmu.2009.117002

INFLUENCE OF USING DECAPSULATED ARTEMIA CYSTS FOR REARING OF CARP (Cyprinus carpio L.) LARVAE

Article 5, Volume 34, Issue 5, May 2009, Page 4533-4540  XML PDF (736.59 K)
Document Type: Original Article
DOI: 10.21608/jappmu.2009.117002
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Author
M. S. El-Sherif
Animal Prod. and Fish Reso. Dept., Fac. of Agric., Suez Canal Univ., Ismailia, Egypt
Abstract
Cyprinids larvae should be fed natural feed using the first few days of exogenous feeding. The use of dry decapsulated Artemia cysts as feed for larviculture of carps (Cyperinus carpio) and its effects on growth and survival rat were investigated.  Carp larvae (five days after hatching) weighted about 0.6 mg were reared (10 larvae l-1) in fibre-glass-tanks (20 l) under controlled conditions. The larvae were fed on the following diets: A- Dry decapsulted cysts. B- Artemia nauplii. C- Commercial diet (46% CP). After a 21-day rearing period, the highest survival rate (80.0%) was obtained with the larvae receiving decapsulated cysts. Larvae fed on commercial diet resulted in a significantly (P≤0.05) lower survival rate (35.7%) compared with the other two groups (80.0 and 70.0%).  at the end of the experiment, the larvae fed on Artemia nauplii yielded a significantly longer mean length (14.32 mm) compared with the other two groups (13.6 and 9.96 mm). Feeding on commercial diet resulted in a significantly lower average weight (10.86 mg), mean length gain (9.96 mm), K factor (1.10) and SGR (13.79%/d) compared with the other two groups. Therefore, dry decapsulated Artemia cysts appear to be a suitable feed for rearing carp larvae.  Also, this is an economic issue since Artemia nauplii are more expensive than some commercial feeds.
Keywords
Carp (Cyprinus carpio); Artemia cysts; Survival rate; Growth
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