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:: Volume 3, Issue 2 (11-2023) ::
injoere 2023, 3(2): 99-108 Back to browse issues page
Comparative Study of Hormonal Stimulation of HCG, PG-extract and Ovaprim on Thermal Accumulation Period and Egg Production in Grass Carp Ctenopharyngodon idella
N.A. Salman * , S.S. Al-Noor , K.A. Khalaf
Abstract:   (387 Views)
Three types of hormonal stimulation were tried using HCG, PG extract and Ovaprim to induce egg production and accelerate thermal accumulation period (TAP). Results showed that there is a direct relationship between the type of hormones and TAP. Fish receiving PG-extract had the shortest TAP which was significantly different than those receiving HCG and Ovaprim treatments. Values ranged between 258.97, 344.67 and 322.78 (C ْ-hour) in fish injected with PG extract, HCG and Ovaprim respectively. Results also showed noticeable variation in egg production in fish receiving various hormones with clear superiority for fish injected with PG-extract compared with those receiving HCG and Ovaprim. The lowest weight of extracted eggs (7.3 g/kg) was in fish injected with HCG and the highest (139.7 g/kg) in fish receiving the PG hormonal extract.
Keywords: Grass carp, Hormonal-induced spawning, Egg production, Thermal accumulation period.
Full-Text [PDF 596 kb]   (192 Downloads)    
Type of Study: Research | Subject: Pollution
Received: 2023/06/6 | Accepted: 2023/11/1 | Published: 2023/11/1
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Salman N, Al-Noor S, Khalaf K. Comparative Study of Hormonal Stimulation of HCG, PG-extract and Ovaprim on Thermal Accumulation Period and Egg Production in Grass Carp Ctenopharyngodon idella. injoere 2023; 3 (2) :99-108
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Volume 3, Issue 2 (11-2023) Back to browse issues page
International Journal of Aquatic Research and Environmental Studies
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