In many species of finfish, females exhibit higher growth rates than males and achieve larger sizes. In addition, in some species, males mature before reaching marketable size. Therefore, there is great interest from the fish farmers to produce all-female stocks. In this project tried to reversing the sex of rainbow trout larvae by 17 estradiol and direct method, further more finding the optimum dose of this natural estrogen for endocrine sex reversion of Rainbow trout (O. mykiss). Four experimental treatments were designed with doses of 10, 20, 30 and 40 mg/kgf. Trout which treated with 40 mg/kgf yielded 96% female and greatest growth

Abdolhai, H.

Bashti, T.

Gandomkar, H.

Gorjipor, E.

Hoseinzadeh Sahafi, Homayoon

Moazedi, J.

Moradian, H.

Razmi, K.

Salahi, M.

Zargham, D.

Aquatic Commons

 
 
  
  
                                      
 D(40 mg/kgf)
   
 (Bromage and Cumaranatunga1988)
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 Piferrer(2001)"labile"
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 Piferrer,2001
 
    
 3. Baker, I.J., 1987. Treatment protocols for hormonal sex control of salmonids in aquaculture. 
Program of technology transfer of sex control techniques for aquaculture under DFOrSyndel labs. 
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tshawytscha) by immersion treatments using 17a-methyltestosterone around the time of hatching. 
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 Abstract 
In many species of finfish, females exhibit higher growth rates than males and achieve larger sizes. In addition, 
in some species, males mature before reaching marketable size. Therefore, there is great interest from the fish 
farmers to produce all-female stocks. In this project tried to reversing the sex of rainbow trout larvae by 17 
estradiol and direct method, further more finding the optimum dose of this natural estrogen for endocrine sex 
reversion of Rainbow trout (O. mykiss). Four experimental treatments were designed with doses of 10, 20, 30 
and 40 mg/kgf. Trout which treated with 40 mg/kgf yielded 96% female and greatest growth. 
Key words: rainbow trout, sex control, 17 estradiol, gonad 
       
Ministry of Jihad  e  Agriculture  
AGRICULTURAL RESEARCH, EDUCATION & EXTENTION ORGANIZATION 
IRANIAN  FISHERIES  RESEARCH  ORGANIZATION  Inland Waters Aquaculture 
Research Center - Cold water Fishes Genetic Research Center   
Title : Production of Monosex Female Population of Rainbow Trout by Use of 17-B Estradiol 
as Direct Method
Apprpved Number: 4-12-12-87046 
Author: Homayoon Hoseinzadeh Sahafi 
Executor : Homayoon Hoseinzadeh Sahafi 
Collaborator(s):T.Bashti,D.Zargham,K.Razmi,H.Abdolhai,J.Moazedi,,H.Gandomkar,M.Sala
hi,H.Moradian, E.Gorjipor  
Advisor(s):- 
Location of execution :  Guilan & Charmahal-o-Bakhtiyari provinces 
Date of Beginning : 2009 
Period of execution : 1Year & 6 Months
Publisher : Iranian Fisheries Research Organization
Circulation : 20 
Date of publishing : 2011 
All Right Reserved . No Part of this Publication May be Reproduced or Transmitted 
without indicating the Original Reference 
 MINISTRY OF JIHAD - E - AGRICULTURE 
AGRICULTURAL RESEARCH, EDUCATION & EXTENTION ORGANIZATION 
IRANIAN FISHERIES RESEARCH ORGANIZATION - Cold water Fishes Genetic 
Research Center  Inland waters Aquaculture Research Center
    
Title:  
Production of Monosex Female Population of Rainbow 
 Trout by Use of 17-B Estradiol as Direct Method
Executor : 
Homayoon Hoseinzadeh Sahafi  
                                                                                                                                                       
                                                                                               
                                                                                                                                                       
                                                                                                                                                
                                                                                                                   
                                                                                                                                                       
Registration Number 
2010.1166    


Production of monosex female population of rainbow trout by use of 17-B estradiol as direct method

http://aquaticcommons.org/25308/1/89.1166.pdf

Production of monosex female population of rainbow trout by use of 17-B estradiol as direct method

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