Prolificacy improvement of polish mountain sheep by crossbreeding with high prolific olkuska rams

Maciej Murawski

Polish Mountain sheep is a breed keep in Polish Mountain such as Tatra, Beskidy and Bieszczady and is very well adapted to local conditions. Its lambs production is low. The aim of this study was to improve of prolificacy of Polish Mountain sheep by crossing with high prolific Olkuska rams. F1 crossbreds ewes have average 2,31 litter size which is nearly 1 lamb higher than litter size of Polish Mountain sheep. This results indicate that Olkuska rams have significant influence on efficiency lambs production of Polish Mountain sheep.

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