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How does the polymorphism of the PRL, PRLR, and RYR1 genes influence the selected reproduction traits in the Polish Large White and the Polish Landrace sows

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Milczewska A., Bogdzinska M., Mroczkowski S.

Roczniki Naukowe Polskiego Towarzystwa Zootechnicznego

2011

tom 07

nr 2

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 in terms of the examined restriction fragments, depending on breed, and the mean number of piglets reared alive until day 21 of their life in three subsequent farrows was determined. Two RYR1 genotypes were observed in the examined group of sows, and three of both PRL and PRLR genotypes. Considering the number of piglets born and reared alive until the age of 21 days in three subsequent farrows, it was concluded that in the Polish Large White and Polish Landrace sows these traits were similar.

Ograniczanie wyników

1 Roczniki Naukowe Polskiego Towarzystwa Zootechnicznego

1 Bogdzinska M.

1 Milczewska A.

1 Mroczkowski S.

1 2011

Wyniki wyszukiwania

How does the polymorphism of the PRL, PRLR, and RYR1 genes influence the selected reproduction traits in the Polish Large White and the Polish Landrace sows