Abstract
Swine DNA profiling is of high importance for animal identification and parentage verification. The aim of this study was to test a set of 14 microsatellite (STR) markers recommended by ISAG for parentage verification in Polish Landrace (PL, n = 900), Polish Large White (PLW, n = 482), Pulawska (PUL, n = 127), and Duroc pigs (DU n = 108). The studied breeds showed a medium level of genetic differentiation. The average value of heterozygosity and degree of polymorphism (PIC) were above 0.5 for the studied breeds, except for the DU breed (PIC = 0.477). The population inbreeding coefficient indicates an absence of inbreeding in the studied breeds (an average value of FIS = 0.007). The cumulative power of discrimination for all breeds reached high values close to 1.0, while the probability of identity (PID) was low, with PID values ranging between 10−9 (for DU) and 10−12 (for PLW). The cumulative exclusion probability for PE1 and PE2 showed that the parentage can be confirmed with a probability of from 92.75% to 99.01% and from 99.49% to 99.97%, respectively.
Highlights
IntroductionParentage Control in PigPork is the most frequently chosen meat by Polish consumers. Poland, along withAustria and Spain, is leading in pork consumption, while in terms of the pork production, Poland ranks 4th, after Germany, Spain and France [1]
Parentage Control in PigPork is the most frequently chosen meat by Polish consumers
The Polish Landrace (PL) breed had the highest number of alleles, for which 92 alleles were determined, while the highest effective number of alleles occurred in the PUL breed (48.52 alleles)
Summary
Parentage Control in PigPork is the most frequently chosen meat by Polish consumers. Poland, along withAustria and Spain, is leading in pork consumption, while in terms of the pork production, Poland ranks 4th, after Germany, Spain and France [1]. Pork is the most frequently chosen meat by Polish consumers. High quality standards of pork production are maintained by the implementation of breeding work. Pig Breeders and Producers Association “POLSUS” controls the population of breeding pigs and the implementation of the breeding program. Program includes the following pig breeds: Polish Large White (PLW), Polish Landrace (PL), Pulawska (PUL), Duroc (DU), Hampshire, and Pietrain. These breeds are used in crossbreeding for the commercial production of fattening pigs in Poland [2]. In Poland, the systematic control of the parentage of pigs has been carried out since 1977, initially on the basis of blood groups, and since 2016, based on DNA.
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