AGRDEU - Fachdatenbank für Aquatische Genetische Ressourcen: Detailed information On farm

General stock information

Common name
Tench
Scientific name
Tinca tinca (Linnaeus, 1758)
Recording year
2006
Federal state
Brandenburg
Reference
Aquatische genetische Ressourcen - Laichfischbestände von Wirtschaftsfischarten in Deutschland

Husbandry parameters

Genetic parameters

Used molecular genetic methods
Mikrosatellitenanalyse
Tissue sample accession number
BB 5 A_1-20
Number of individuals analyzed by microsatellites
20
Maximum number alleles per Microsatellite
9
Mean number of alleles
3.8
Allelic richness
3.087
Mean number of private allels
0.8
Expected degree of heterozygosity according to HWG (H_E)
0.373
Observed heterozygosity (H_O)
0.34
Inbreeding coefficient (F_IS)
0.088
Minimal genetic divergence (F_ST min)
0.0634
Maximum genetic divergence (F_ST) to other populations of the same species
0.1178
Mean genetic divergence (F_ST) to other populations of the same species
0.0906
Morphometric analyses
Erfassung verschiedener morphometrischer Merkmale
Average total length in mm
296.09
Average mass in g
532.139
Average Corpulence Factor
2.05
Standard length in percent of total length
85.37
Head length in percent of total length
21.93
Body height in percent of the total length
25.49
Body height min in percent of total length
12.91
Predorsal distance in percent of total length
48.2

Strain parameters

Age of strain
21-40 years
Strain management
open breeding scheme
Size basic population
> 50
Number of male spawning fish
150
Number of female spawning fish
150
Number of males used for breeding
100
Number of females used for breeding
100
Effective population size
> 100
Main breeding objective
rearing and fattening performance
Selection intensity
low (51-100%)
Average utilization period of spawning fish
medium (3-5 years)
Spawning season
normal
Management forecast over the next 10 years
Maintenance of the breeding strain

Detailed information On farm