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izvor podataka: crosbi

Genetic diversity and population structure of the synthetic Pannon White rabbit revealed by pedigree analyses (CROSBI ID 161506)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Nagy, Istvan ; Čurik, Ino ; Radnai, István ; Cervantes, Isabel ; Gyovai, Petra ; Baumung, Roswitha ; Farkas, János ; Szendrő, Zsolt Genetic diversity and population structure of the synthetic Pannon White rabbit revealed by pedigree analyses // Journal of animal science, 88 (2010), 4; 1267-1275. doi: 10.2527/jas.2009-2273

Podaci o odgovornosti

Nagy, Istvan ; Čurik, Ino ; Radnai, István ; Cervantes, Isabel ; Gyovai, Petra ; Baumung, Roswitha ; Farkas, János ; Szendrő, Zsolt

engleski

Genetic diversity and population structure of the synthetic Pannon White rabbit revealed by pedigree analyses

Demographic history, current status, and efficiency of the mating strategy were analyzed using the pedigree of Pannon White (PW) rabbits born between 1992 and 2007. Potential accumulation of detrimental effects and loss of genetic diversity were also considered. Calculations and estimates were done most often for rabbits born in 2007, whereas other reference populations (REFPOPXXXX) were specified explicitly. The pedigree contained 4, 749 individuals and 580 founders, and its completeness was 82.1% up to 10 and 94.5% up to 5 generations, respectively. Generation intervals through different pathways averaged 1.2 yr. When adjusted to the pedigree completeness, the amount of inbreeding (Fi) of rabbits was comparable (5.54%) with that of other livestock populations, whereas the 10 (30) founders contributing the most to inbreeding explained a large part of the population inbreeding [i.e., 42.24% (73.18%)]. The ancestral inbreeding coefficient of REFPOP2004 (10.67%) was one-half that of REFPOP2007 (20.66%), showing its strong dependence on pedigree length. Family variance, inbreeding, and realized effective population size were 84.18 (REFPOP2006 ; this variable could not be calculated for the last year examined), 37.19, and 91.08, respectively. The effective numbers of ancestors, founders, and founder genomes were 48, 26, and 7.33, respectively. Although the circular mating scheme applied was generally effective, the large accumulated reduction in genetic variability indicates the need to revise and improve the current breeding strategy.

genetic diversity ; inbreeding coefficient ; Pannon White rabbit ; pedigree analysis

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Podaci o izdanju

88 (4)

2010.

1267-1275

objavljeno

0021-8812

10.2527/jas.2009-2273

Povezanost rada

Veterinarska medicina, Poljoprivreda (agronomija), Biologija

Poveznice
Indeksiranost