Manninen, Merja, Ilmo Aaronen, Marja-Leena Puntila, Reijo Heikkilä, and Seija Jaakkola. “Effect of Type of Forage Offered and Breed on Performance of Crossbred Suckler Heifers and Their Calves”. Agricultural and Food Science 7, no. 3 (January 1, 1998): 367–380. Accessed November 22, 2024. https://journal.fi/afs/article/view/72868.