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Celem przeprowadzonych badań było określenie polimorfizmu w locus RYR1 i ESR, a także określenie jego związku z cechami reprodukcyjnymi loch. Identyfikowano mutacje wykorzystując metodę PCR-RFLP. Materiał badawczy stanowiło 160 loch rasy pbz i 173 lochy rasy wbp, utrzymywane w stadach zarodowych regionu kujawsko-pomorskiego. W badanych grupach rasowych loch stwierdzono występowanie dwóch genotypów...
The objective of the research was to analyze the polymorphism of the prolactin gene, prolactin receptor, and ryanodine receptor, as well as to determine its effect on the reproduction traits of sows. The genetic examinations were done using the PCR-RFLP method. The research was conducted on 88 Polish Large White sows and 27 Polish Landrace sows, taken from broodstocks. The genetic structure was analyzed...
Assessment was made of sex chromosomes and autosomes based on measuring their areas in the Polish landrace, and of the connection of the observed polymorphism with reproductive traits. The average area of sex chromosomes in examined sows was 7.4779 μm2, with the values ranging from 6.9739 μm2 to 8.1331 μm2. And the average autosomes area was 143.7742 μm2. Considerably greater variability was found...
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