Feasibility studied on production brood stocking Acipenser baerii in environmental condition Iran
This sturdy was carried out in three phases including evaluation of growth factors, determination of sexual hormone levels, caviar obtaining and reproducing of Siberian sturgeon (Acipenser baerii) brood stocks with the aims of brood stocks school production during 4 years. A total of 100 fingerlings...
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Iranian Fisheries Science Research Institute
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ftoceandocs:oai:aquadocs.org:1834/39838 2023-05-15T13:01:38+02:00 Feasibility studied on production brood stocking Acipenser baerii in environmental condition Iran Yazdani Sadati, Mohammad Ali Mohseni, M. Pourali, H.R. Shakourian, M. Pour Asadi, M. Yousefi Jourdehi, A. Halajian, A. Sayed Hassani, M.H. Pourdehghani, M. Bahmani, M. Kazemi, R. 2014 application/pdf 64 http://hdl.handle.net/1834/39838 fa per Iranian Fisheries Science Research Institute Tehran, Iran http://kmsu.ac.ir/ 43248 http://hdl.handle.net/1834/39838 http://aquaticcommons.org/id/eprint/25445 18721 2018-09-23 17:53:08 25445 Iranian Fisheries Science Research Institute Aquaculture Iran Siberian sturgeon Brood stocks Growth Steroid hormones Reproduction Fingerlings Caviar monograph 2014 ftoceandocs 2023-04-06T17:06:32Z This sturdy was carried out in three phases including evaluation of growth factors, determination of sexual hormone levels, caviar obtaining and reproducing of Siberian sturgeon (Acipenser baerii) brood stocks with the aims of brood stocks school production during 4 years. A total of 100 fingerlings with mean weight 1 kg were selected and reached to 2.5, 4 and 5.3 during 3 years, respectively. Steroid hormone levels such as testosterone (T), 11 keto-testosterone (11-KT), estradiol (E2) and 17α-hydroxyprogestrone (17α-OHP) were measured for sexual development studying in males and females at different seasons during 3 years. Results showed that the most levels of 11- KT, E2 and T were observed at stage IV, III in summer and stage IV of sexual maturation, respectively, that was increased with sex development both in males and females. T levels showed significant difference between males and females (P< 0.05). At the third year of rearing, 31% of females were matured and 10 fish that their GV was between 6 to 9 were selected and injected with LHRH hormone. More than 90% of breeders had positive response to hormone injection and 19500 larvae were produced from each fish. Larvae converted into fingerlings during 45–60 days. 8500–10500 fingerlings were produced from each breeder. Also some fish used for caviar obtaining. Results showed that the amount of caviar obtained from each fish was from minimum 6.8 % to maximum 10.3 % of body weight in Acipenser baerii. Book Acipenser baerii Siberian sturgeon IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications |
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IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications |
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language |
Persian |
topic |
Aquaculture Iran Siberian sturgeon Brood stocks Growth Steroid hormones Reproduction Fingerlings Caviar |
spellingShingle |
Aquaculture Iran Siberian sturgeon Brood stocks Growth Steroid hormones Reproduction Fingerlings Caviar Yazdani Sadati, Mohammad Ali Mohseni, M. Pourali, H.R. Shakourian, M. Pour Asadi, M. Yousefi Jourdehi, A. Halajian, A. Sayed Hassani, M.H. Pourdehghani, M. Bahmani, M. Kazemi, R. Feasibility studied on production brood stocking Acipenser baerii in environmental condition Iran |
topic_facet |
Aquaculture Iran Siberian sturgeon Brood stocks Growth Steroid hormones Reproduction Fingerlings Caviar |
description |
This sturdy was carried out in three phases including evaluation of growth factors, determination of sexual hormone levels, caviar obtaining and reproducing of Siberian sturgeon (Acipenser baerii) brood stocks with the aims of brood stocks school production during 4 years. A total of 100 fingerlings with mean weight 1 kg were selected and reached to 2.5, 4 and 5.3 during 3 years, respectively. Steroid hormone levels such as testosterone (T), 11 keto-testosterone (11-KT), estradiol (E2) and 17α-hydroxyprogestrone (17α-OHP) were measured for sexual development studying in males and females at different seasons during 3 years. Results showed that the most levels of 11- KT, E2 and T were observed at stage IV, III in summer and stage IV of sexual maturation, respectively, that was increased with sex development both in males and females. T levels showed significant difference between males and females (P< 0.05). At the third year of rearing, 31% of females were matured and 10 fish that their GV was between 6 to 9 were selected and injected with LHRH hormone. More than 90% of breeders had positive response to hormone injection and 19500 larvae were produced from each fish. Larvae converted into fingerlings during 45–60 days. 8500–10500 fingerlings were produced from each breeder. Also some fish used for caviar obtaining. Results showed that the amount of caviar obtained from each fish was from minimum 6.8 % to maximum 10.3 % of body weight in Acipenser baerii. |
format |
Book |
author |
Yazdani Sadati, Mohammad Ali Mohseni, M. Pourali, H.R. Shakourian, M. Pour Asadi, M. Yousefi Jourdehi, A. Halajian, A. Sayed Hassani, M.H. Pourdehghani, M. Bahmani, M. Kazemi, R. |
author_facet |
Yazdani Sadati, Mohammad Ali Mohseni, M. Pourali, H.R. Shakourian, M. Pour Asadi, M. Yousefi Jourdehi, A. Halajian, A. Sayed Hassani, M.H. Pourdehghani, M. Bahmani, M. Kazemi, R. |
author_sort |
Yazdani Sadati, Mohammad Ali |
title |
Feasibility studied on production brood stocking Acipenser baerii in environmental condition Iran |
title_short |
Feasibility studied on production brood stocking Acipenser baerii in environmental condition Iran |
title_full |
Feasibility studied on production brood stocking Acipenser baerii in environmental condition Iran |
title_fullStr |
Feasibility studied on production brood stocking Acipenser baerii in environmental condition Iran |
title_full_unstemmed |
Feasibility studied on production brood stocking Acipenser baerii in environmental condition Iran |
title_sort |
feasibility studied on production brood stocking acipenser baerii in environmental condition iran |
publisher |
Iranian Fisheries Science Research Institute |
publishDate |
2014 |
url |
http://hdl.handle.net/1834/39838 |
genre |
Acipenser baerii Siberian sturgeon |
genre_facet |
Acipenser baerii Siberian sturgeon |
op_source |
http://aquaticcommons.org/id/eprint/25445 18721 2018-09-23 17:53:08 25445 Iranian Fisheries Science Research Institute |
op_relation |
http://kmsu.ac.ir/ 43248 http://hdl.handle.net/1834/39838 |
_version_ |
1766282599025606656 |