Haku
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Comparison of Finnish Ayrshire, Friesian and Finncattle on grass silage-cereal and hay-urea-cereal diets : 1. Results of the heifer period
(Agricultural Research Centre, 1990)
Comparison between Ayrshire, Friesian and Finnish cattle dairy cows on home - produced feeds
(Suomen maataloustieteellinen seura, 1984)