"Vallas, Mirjam" - Selaus tekijän mukaan MTT:n julkaisusarjat

    • Development of a breeding objective for Estonian Holstein cattle 

      Pärna, Elli; Kiiman, Heli; Vallas, Mirjam; Viinalass, Haldja; Saveli, Olev; Pärna, Kalev
      Agricultural and Food Science : 3 (MTT Agrifood Research FinlandThe Scientific Agricultural Society of Finland, 2007)
      Economic weights for milk carrier (water plus lactose), fat and protein yields, calving interval, age at first service, interval between the first service and conception of heifers and length of productive life of Estonian ...