Maternal behaviour and the survival of lambs in superfine wool sheep.

Abstract excerpt

Superfine merino lambs from superfine and medium-wool ewes were compared to test the hypothesis that superfine ewes have poorer maternal capacity than broader wool ewes. All lambs were sired by one ram using artificial insemination in the superfine ewes and embryo transfer in the medium-wool ewes. This ensured a similar genetic background in all lambs. Single born lambs from the superfine ewes were 1.5 kg lighter...

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