The Agricultural Research Forum, currently taking place in Tullamore, County Offaly, has heard how dairy cows are now more docile, faster milking and taller. The strong trend towards more angular cows over the last decade is a consequence of the upgrading of the traditional British Friesian to Holstein.
Genetic selection in Irish dairy cattle over past decades has predominantly been on milk production. Genetic correlations with milk production suggest that, under such breeding objectives, animals will become taller and wider, and develop deeper, more strongly supported udders.
Research carried out at Teagasc Moorepark, in conjunction with the Irish Cattle Breeding Federation, suggests that animals are indeed getting taller.
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