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Free Content Determination of Breed Differences in Ag-NORs Occurrence in Pigs

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The investigations involved pigs of three breeds: Pietrain, Zlotnicka Spotted and Polish Landrace. The polymorphism in the number and size of nucleolar organizer regions was analyzed in animals of different breeds. It was observed that the average size of Ag-NORs in pigs was higher in chromosome pair 10 than in pair 8. The largest nuclelar organizer regions were observed in Polish Landrace pigs. The silver stained NORs were most frequently identified in the Pietrain breed.

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Keywords: NUCLEOLAR ORGANIZER REGIONS; PIGS

Document Type: Research Article

Publication date: 2005-10-01

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  • Folia biologica is an international quarterly journal that publishes papers on the broad field of experimental zoology, nuclear and chromosome research, and also ultrastructural studies. All papers are subject to peer reviews. Indexed in: ISI Master Journal List, Current Contents, Polish Scientific Journals Contents. I.F. 0.667
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