SOME REPRODUCTIVE INDICES IN CULTURED CRAY FISH, ASTACUS LEPTODUCTYLUS

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AHMADNEZHAD M.; SAYYAD BOURANI M.; MOMENI M.

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Journal: Journal of Aquaculture Development Year:2015 | Volume:8 | Issue:4 Page(s): 1-18

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Title

SOME REPRODUCTIVE INDICES IN CULTURED CRAY FISH, ASTACUS LEPTODUCTYLUS

Author(s)

AHMADNEZHAD M. | SAYYAD BOURANI M. | MOMENI M. | Issue Writer Certificate

Keywords

CRAY FISHQ2

GONADQ2

HISTOLOGYQ2

OVARYQ2

TESTISQ2

SEX MATURATIONQ2

Abstract

CRAY FISH, Astacus leptoductylus, is valuable and commercial aquatic of Caspian Sea and the rivers ending to the sea, and it has also exports value. Morphological and histological characteristics of cultured male and female GONADs were studied during a reproductive cycle. Also, the effect of density on some reproductive indices was investigated. Crayfish were collected monthly during 10 month, from May to March. They were studied in three trials with density of 3, 5 and 7 number/m2. These trials were done in three replications. GONADosomatic (GSI) index were determined and SEX MATURATION were studied based of classical HISTOLOGY. For females, GSI peaked in December and for males, it peaked in July and November.7 and 6 maturation stages were recognized in female and males, respectively. There were not any significant differences between GSI of three treatments. The result shows that reproduction activity of cultured brood stocks occurred in late December. Also, SEX MATURATION was not affected by density.

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References

بررسی زیست شناسی شاه میگوی آب شیرین Astacus leptodactylus دریاچه مخزنی سد ارس

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APA: Copy

AHMADNEZHAD, M., SAYYAD BOURANI, M., & MOMENI, M.. (2015). SOME REPRODUCTIVE INDICES IN CULTURED CRAY FISH, ASTACUS LEPTODUCTYLUS. JOURNAL OF AQUACULTURE DEVELOPMENT, 8(4), 1-18. SID. https://sid.ir/paper/241958/en

Vancouver: Copy

AHMADNEZHAD M., SAYYAD BOURANI M., MOMENI M.. SOME REPRODUCTIVE INDICES IN CULTURED CRAY FISH, ASTACUS LEPTODUCTYLUS. JOURNAL OF AQUACULTURE DEVELOPMENT[Internet]. 2015;8(4):1-18. Available from: https://sid.ir/paper/241958/en

IEEE: Copy

M. AHMADNEZHAD, M. SAYYAD BOURANI, and M. MOMENI, “SOME REPRODUCTIVE INDICES IN CULTURED CRAY FISH, ASTACUS LEPTODUCTYLUS,” JOURNAL OF AQUACULTURE DEVELOPMENT, vol. 8, no. 4, pp. 1–18, 2015, [Online]. Available: https://sid.ir/paper/241958/en

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