INRA trout strains distinguished by their dates of egg-laying

INRA trout strains distinguished by their dates of egg-laying

 Name of strain 1

INRA-SY

 

 Species

Rainbow trout (Oncorhynchus mykiss)
 

 General description

No specific agreement necessary to access this genetic resource. Available every year
 

Type

Base population - never selected
 

 No. of generations

Random reproduction for more than 10 generations in INRA units
 

 Effective population size

2000 1 year old, 400 breeding individuals (2 years old), with use of at least 60 males and 60 females each generation
 

 Other

Cryopreservation of 50 males, period of natural reproduction in autumn (November-December)
 

 Name of strain  2

INRA-AUT

 

 Species

Rainbow trout (Oncorhynchus mykiss)
 

 General description

No specific agreement necessary to access this genetic resource. Available every year.
 

Type

Base population - never selected
 

 No. of generations

Random reproduction for more than 10 generations in INRA units
 

 Effective population size

2000 1 year old, 400 breeding individuals (2 years old), with use of at least 60 males and 60 females each generation
 

 Other

Cryopreservation of 50 males, period of natural reproduction in autumn (October-November)
 

 Name of strain  3

INRA-MRW

 

 Species

Rainbow trout (Oncorhynchus mykiss)
 

 General description

No specific agreement necessary to access this genetic resource. Available every year
 

Type

Base population - never selected
 

 No. of generations

Random reproduction for more than 10 generations in INRA units
 

 Effective population size

2000 1 year old, 400 breeding individuals (2 years old), with use of at least 60 males and 60 females each generation
 

 Other

Cryopreservation of 50 males, period of natural reproduction in winter (December-January)
 

 Name of strain  4

INRA-PRN

 

 Species

Rainbow trout (Oncorhynchus mykiss)
 

 General description

No specific agreement necessary to access this genetic resource. Available every year
 

Type

Base population - never selected
 

 No. of generations

Random reproduction for more than 10 generations in INRA units
 

 Effective population size

2000 1 year old, 400 breeding individuals (2 years old), with use of at least 60 males and 60 females each generation
 

 Other

Cryopreservation of 50 males, period of natural reproduction in spring
 

 Name of strain  5

INRA Golden

 

 Species

Rainbow trout (Oncorhynchus mykiss)
 

 General description

No specific agreement necessary to access this genetic resource. Available every year
 

Type

Selected population [skin colour: mainly yellow]
 

 No. of generations

Random reproduction for more than 10 generations in INRA units
 

 Effective population size

2000 1 year old, 400 breeding individuals (2 years old), with use of at least 60 males and 60 females each generation
 

 Other

Cryopreservation of 50 males, period of natural reproduction in autumn
 

Modification date : 06 February 2023 | Publication date : 02 July 2013 | Redactor : PEIMA