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. 2021 Jan 31;11(2):353.
doi: 10.3390/ani11020353.

Pedigree and Molecular Analyses in the Assessment of Genetic Variability of the Polish Greyhound

Małgorzata Goleman  1 , Ireneusz Balicki  2 , Anna Radko  3 , Iwona Rozempolska-Rucińska  4 , Grzegorz Zięba  4
Affiliations

Pedigree and Molecular Analyses in the Assessment of Genetic Variability of the Polish Greyhound

Małgorzata Goleman et al. Animals (Basel). .

Abstract

The aim of the study was to assess the genetic variability of the Polish Greyhound population based on pedigree analysis and molecular DNA testing and to determine the degree of relatedness among individuals in the population. Pedigree data of 912 Polish Greyhounds recorded in pedigree books since they were opened for this breed were analyzed. For molecular testing, DNA was obtained from cheek swabs taken from 235 dogs of the tested breed. A panel of 21 markers (Short Tandem Repeat-STR) was used. The mean inbreeding determined for the Polish Greyhound population based on pedigree analyses was low and amounted to 11.8%, but as many as 872 individuals of the 912 dogs in the studied population were inbred. A total of 83 founders (at least one unknown parent) were identified, among which 27 founders had both unknown parents. Full-sibling groups consisted of 130 individuals, with a minimum and maximum litter size of 2 and 16, respectively. The average litter size was 5.969. Gene diversity calculated based on the mean kinship matrix was 0.862 and the population mean kinship was 0.138. The founder genome equivalent based on the mean kinship matrix was 3.61; the founder genome surviving level was 12.34; the mean Ne was estimated at 21.76; and the Ne/N ratio was 0.135. The FIS inbreeding coefficient for 21 STR was negative, and the mean FIS value for all loci had a low negative value (-0.018). These values suggest a low level of inbreeding in the examined breed as well as the avoidance of mating related animals.

Keywords: Polish Greyhound; founders; molecular analysis; pedigree analysis.

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Conflict of interest statement

The authors declare to have no conflicts of interest.

Figures

Figure 1
Figure 1
Body of a Polish Greyhound, female: IZIS Akacjana—owner Marta Kościańska (photo: Marta Kościańska).
Figure 2
Figure 2
Head of a Polish Greyhound. female: TRZMIELINA Divinacanis, in grizzly color with domino marks—breeder and owner, Marta Kościańska (photo: Marta Kościańska).
Figure 3
Figure 3
Distribution of inbreeding coefficients (%).
Figure 4
Figure 4
Average inbreeding (%) and number of animals by year of birth.
See this image and copyright information in PMC

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