Feeding habits of Rainbow Trout (Oncorhynchus mykiss) in Beheshtabad River of Chaharmahal & Bakhtiari Province

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Aalipour M.; KEIVANY Y.; EBRAHIMI E.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Journal of Applied Biology Year:2019 | Volume:32 | Issue:1 Page(s): 76-97

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Title

Feeding habits of Rainbow Trout (Oncorhynchus mykiss) in Beheshtabad River of Chaharmahal & Bakhtiari Province

Author(s)

Aalipour M. | KEIVANY Y. | EBRAHIMI E. | Issue Writer Certificate

Keywords

DietQ1

FeedingQ1

SalmonidaeQ1

Abstract

Some nutritional characteristics of rainbow were examined in 355 specimens collected from Beheshtabad River. Total length of females and males ranged from 17. 1-40. 2 cm (26. 05± 4. 54SD) and from 15. 5-40. 3 cm (24. 9± 5. 93), respectively. Empty stomachs were about 39 (11%) of the total stomachs examined, and were not significantly different (P˃ 0. 05) throughout the year. The Diet was composed of 45 different prey taxa, belonging to 10 main classes. The most important prey items were Annelida, Platyhelminthes, Arthropoda, Mollusca, Coelenterata and Teleostei. Crustacea, Insecta, Gastropoda and Teleostei were the most important prey items throughout the year. Gender did not appear to have any significant effects on the Diet composition and on the main prey items consumed by the fish. Fish size showed significant effects on Diet composition and the average size of prey increased with increasing fish size. In general, the rainbow trout could be considered a carnivorous fish, Feeding on a wide range of prey items.

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APA: Copy

Aalipour, M., KEIVANY, Y., & EBRAHIMI, E.. (2019). Feeding habits of Rainbow Trout (Oncorhynchus mykiss) in Beheshtabad River of Chaharmahal & Bakhtiari Province. JOURNAL OF APPLIED BIOLOGY (JOURNAL OF SCIENCE), 32(1 ), 76-97. SID. https://sid.ir/paper/22659/en

Vancouver: Copy

Aalipour M., KEIVANY Y., EBRAHIMI E.. Feeding habits of Rainbow Trout (Oncorhynchus mykiss) in Beheshtabad River of Chaharmahal & Bakhtiari Province. JOURNAL OF APPLIED BIOLOGY (JOURNAL OF SCIENCE)[Internet]. 2019;32(1 ):76-97. Available from: https://sid.ir/paper/22659/en

IEEE: Copy

M. Aalipour, Y. KEIVANY, and E. EBRAHIMI, “Feeding habits of Rainbow Trout (Oncorhynchus mykiss) in Beheshtabad River of Chaharmahal & Bakhtiari Province,” JOURNAL OF APPLIED BIOLOGY (JOURNAL OF SCIENCE), vol. 32, no. 1 , pp. 76–97, 2019, [Online]. Available: https://sid.ir/paper/22659/en

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