EFFECTS OF DIFFERENT OXYGEN LEVELS ON THE SPLEEN IN TWO WEIGHT GROUPS OF BELUGA (HUSO HUSO)

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BAGHERZADEH LAKANI F.; SATTARI M.; SHARIFPOUR I.; KAZEMI R.; HALLAJIAN A.

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Journal: Journal of Aquaculture Development Year:2016 | Volume:10 | Issue:2 Page(s): 21-30

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Title

EFFECTS OF DIFFERENT OXYGEN LEVELS ON THE SPLEEN IN TWO WEIGHT GROUPS OF BELUGA (HUSO HUSO)

Author(s)

Keywords

HUSO HUSOQ2

HYPOXIAQ2

NORMOXIAQ2

HYPEROXIAQ2

SPLEENQ2

OXYGENQ2

Abstract

Great sturgeon, HUSO HUSO, is one of commercially important sturgeon species in the Caspian Sea, but little studies have been reported about OXYGEN requirements of this species. The effect of water dissolved OXYGEN on SPLEEN of great sturgeon was examined histopathologically in two weight classes (initial weight 280.9±49.2g and 1217.9±138.1g). OXYGEN treatments (8 weeks) included HYPOXIA (2-3 mg/l), NORMOXIA (5-6 mg/l) and HYPEROXIA (9-10 mg/l). Tissues were collected and fixed by immersion in Bouin’s fluid, then processed by routine methods, sectioned by microtome in 7 mm thickness, stained with hematoxilin & eosin (H & E) and observed by light microscopy. In HYPOXIA treatment both weight classes showed congestion. In lower weight class cell swelling, piknotic nuclei and loss of cytoplasm were observed. In HYPEROXIA in both weight classes cell swelling and vacuolation of cytoplasm were found. In both weight classes significant differences were found in the weight of fish and the SPLEEN (P<0.05). Due to a significant reduction in SPLEEN weight to body weight and observation of congestion and rich red blood cell areas in the HYPOXIA treatment, it can be included that great sturgeon SPLEEN released red blood cells in the HYPOXIA condition and thereby helps fish to tolerate the lack of OXYGEN.

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References

MACROSCOPIC AND MICROSCOPIC STUDY OF SPLEEN AND GUT ASSOCIATED LYMPHATIC TISSUE (GALT) IN ACIPEUSER PERSICUS

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APA: Copy

BAGHERZADEH LAKANI, F., SATTARI, M., SHARIFPOUR, I., KAZEMI, R., & HALLAJIAN, A.. (2016). EFFECTS OF DIFFERENT OXYGEN LEVELS ON THE SPLEEN IN TWO WEIGHT GROUPS OF BELUGA (HUSO HUSO). JOURNAL OF AQUACULTURE DEVELOPMENT, 10(2), 21-30. SID. https://sid.ir/paper/242187/en

Vancouver: Copy

BAGHERZADEH LAKANI F., SATTARI M., SHARIFPOUR I., KAZEMI R., HALLAJIAN A.. EFFECTS OF DIFFERENT OXYGEN LEVELS ON THE SPLEEN IN TWO WEIGHT GROUPS OF BELUGA (HUSO HUSO). JOURNAL OF AQUACULTURE DEVELOPMENT[Internet]. 2016;10(2):21-30. Available from: https://sid.ir/paper/242187/en

IEEE: Copy

F. BAGHERZADEH LAKANI, M. SATTARI, I. SHARIFPOUR, R. KAZEMI, and A. HALLAJIAN, “EFFECTS OF DIFFERENT OXYGEN LEVELS ON THE SPLEEN IN TWO WEIGHT GROUPS OF BELUGA (HUSO HUSO),” JOURNAL OF AQUACULTURE DEVELOPMENT, vol. 10, no. 2, pp. 21–30, 2016, [Online]. Available: https://sid.ir/paper/242187/en

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