Ayrshiren, friisiläisen ja suomenkarjan taloudellinen vertailu : Economic comparison between Ayrshire, Friesian and Finnish cattle dairy cows on home-produced feeds
Ayrshiren, friisiläisen ja suomenkarjan taloudellinen vertailu : Economic comparison between Ayrshire, Friesian and Finnish cattle dairy cows on home-produced feeds
Ayrshiren, friisiläisen ja suomenkarjan taloudellinen vertailu : Economic comparison between Ayrshire, Friesian and Finnish cattle dairy cows on home-produced feeds
Ayrshiren, friisiläisen ja suomenkarjan taloudellinen vertailu : Economic comparison between Ayrshire, Friesian and Finnish cattle dairy cows on home-produced feeds