OPTIMIZATION OF FEEDING TIME FOR RAINBOW TROUT (ONCORHYNCHUS MYKISS) LARVAE FED ARTEMIA NAUPLII AND FORMULATED DIET

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CHEGENI H.R.; NEZAMESLAMI A.; AHMADIFAR E.; AZIMI A.; HOSSEINI A.; JALALI M.A.

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Journal: IRANIAN JOURNAL OF BIOLOGY Year:2010 | Volume:23 | Issue:6 Page(s): 585-866

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Title

OPTIMIZATION OF FEEDING TIME FOR RAINBOW TROUT (ONCORHYNCHUS MYKISS) LARVAE FED ARTEMIA NAUPLII AND FORMULATED DIET

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Keywords

ARTEMIA NAUPLIIQ2

FORMULATED DIETQ3

SFTQ3

FIRST FEEDINGQ2

RAINBOW TROUTQ3

Abstract

A 24-day feeding trial was conducted to determination of optimum time for RAINBOW TROUT (Oncorhynchus mykiss ) larvae fed on ARTEMIA NAUPLII and FORMULATED DIET in Ghezelparvar center, Arak. RAINBOW TROUT larvae with mean body weight of 0/1±0/002 g were divided into 3 treatments (with triplicate) and fed on trout starter feed (group A), A. nauplii (group B), combination of A. nauplii+formulated diet (group C) at the first series of the experimental period for 10 days. At the second series of the experiment (11th-24th day), fish in group B divided in group B1 (fed FORMULATED DIET) and group B2 (fed FORMULATED DIET+A.nauplii). Also, fish in group C divided in group C1 (fed FORMULATED DIET) and group C2 (fed FORMULATED DIET+A. nauplii). Fish in group A fed with FORMULATED DIET at total period of the study. After 24 days feeding trial, growth factors and survival were compared. Results showed that the fish fed with diet B2 exhibited statistically significant differences in final weight, FCR, SGR and weight gain percent (P<0/05). Coefficient of variation for body weight in the fish fed with diet B2 was significantly better than the other treatments. There was no comparable difference between group C1 and C2 and also B1 and A in some growth factors (P>0/05). Survival in group B2 was higher than the other treatments (P<0/05) and the lowest survival was observed in group A. These results indicated that the use of A. nauplii from the larval active swimming onset time to all larvae swimming time and then use of combined diet (formulated diet+A. nauplii) can improve growth performance and survival of RAINBOW TROUT (Oncorhynchus mykiss) larvae.

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APA: Copy

CHEGENI, H.R., NEZAMESLAMI, A., AHMADIFAR, E., AZIMI, A., HOSSEINI, A., & JALALI, M.A.. (2010). OPTIMIZATION OF FEEDING TIME FOR RAINBOW TROUT (ONCORHYNCHUS MYKISS) LARVAE FED ARTEMIA NAUPLII AND FORMULATED DIET. IRANIAN JOURNAL OF BIOLOGY, 23(6), 585-866. SID. https://sid.ir/paper/21158/en

Vancouver: Copy

CHEGENI H.R., NEZAMESLAMI A., AHMADIFAR E., AZIMI A., HOSSEINI A., JALALI M.A.. OPTIMIZATION OF FEEDING TIME FOR RAINBOW TROUT (ONCORHYNCHUS MYKISS) LARVAE FED ARTEMIA NAUPLII AND FORMULATED DIET. IRANIAN JOURNAL OF BIOLOGY[Internet]. 2010;23(6):585-866. Available from: https://sid.ir/paper/21158/en

IEEE: Copy

H.R. CHEGENI, A. NEZAMESLAMI, E. AHMADIFAR, A. AZIMI, A. HOSSEINI, and M.A. JALALI, “OPTIMIZATION OF FEEDING TIME FOR RAINBOW TROUT (ONCORHYNCHUS MYKISS) LARVAE FED ARTEMIA NAUPLII AND FORMULATED DIET,” IRANIAN JOURNAL OF BIOLOGY, vol. 23, no. 6, pp. 585–866, 2010, [Online]. Available: https://sid.ir/paper/21158/en

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