17 α HYDROXYPROGESTRONE PROFILES DURING INDUCED SPAWNING OF THE GREY MULLET (MUGIL CEPHALUS)

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GHELICHI A.; HAJI MORADLOU ABD ALMAJID; JORJANI S.

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Journal: Journal of Agricultural Sciences and Natural Resources Year:2007 | Volume:14 | Issue:2 Page(s): 88-97

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Title

17 α HYDROXYPROGESTRONE PROFILES DURING INDUCED SPAWNING OF THE GREY MULLET (MUGIL CEPHALUS)

Author(s)

GHELICHI A. | HAJI MORADLOU ABD ALMAJID | JORJANI S. | Issue Writer Certificate

Keywords

17α-HYDROXYPROGESTRONEQ3

HORMONAL INDUCINGQ3

OOCYTE MATURATIONQ3

GREY MULLET (MUGIL CEPHALUS)Q4

GOMISHANQ3

Abstract

The major objective of this research was to investigate plasma 17a-Hydroxyprogestrone (17-OHP) and OOCYTE MATURATION of grey mullet (Mugil cephalus) after stimulation with hormones. Two hormone injections, a primer and a resolver, were used to induce spawning in 12 grey mullet's combination of carp pituitary homogenate, HCG and LRH-A2 each used as a primer or resolver of a two-injection protocol. Another three fish received saline injections as controls. All fish were bled and checked for ovulation for 48 hours. During hormonally induced spawning, 67% of mullets spawned. Oocyte of this mullets in the onset of experiment, were in the later period of stage IV (yolk globule stage). Peak levels of 17-OHP in spawned fishes occurred 30 hour after first injection. These changes are coincident with oocyte undergoing hydration, germinal vesicle breakdown and ovulation. Plasma 17a- hydroxyprogesterone levels in unspawned mullets increase to the end of experiment. Oocytes of these mullets in the onset of experiment were in the middle period of stage IV that developed to onset of stage V (mature stage) in the end of experimental period. In contrast to female in the treatment groups, none of three females in the control group had significant changes in maturing stages of oocyte and levels of 17-OHP in experimental period. This suggests that 17-OHP is one of the most effective steroids in the final maturation- inducing for grey mullet.

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APA: Copy

GHELICHI, A., HAJI MORADLOU, ABD ALMAJID, & JORJANI, S.. (2007). 17 α HYDROXYPROGESTRONE PROFILES DURING INDUCED SPAWNING OF THE GREY MULLET (MUGIL CEPHALUS). JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, 14(2), 88-97. SID. https://sid.ir/paper/9281/en

Vancouver: Copy

GHELICHI A., HAJI MORADLOU ABD ALMAJID, JORJANI S.. 17 α HYDROXYPROGESTRONE PROFILES DURING INDUCED SPAWNING OF THE GREY MULLET (MUGIL CEPHALUS). JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES[Internet]. 2007;14(2):88-97. Available from: https://sid.ir/paper/9281/en

IEEE: Copy

A. GHELICHI, ABD ALMAJID HAJI MORADLOU, and S. JORJANI, “17 α HYDROXYPROGESTRONE PROFILES DURING INDUCED SPAWNING OF THE GREY MULLET (MUGIL CEPHALUS),” JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, vol. 14, no. 2, pp. 88–97, 2007, [Online]. Available: https://sid.ir/paper/9281/en

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