Dörstelmann M, Ari M, Becskei Z, Gulyas L, Gáspárdy A. Comparison of service period and lactation milk yields in dairy cows with single- and twin-calving. Vet Glas [Internet]. 2018 Nov. 16 [cited 2024 Nov. 21];72(2):112-21. Available from: https://veterinarskiglasnik.rs/index.php/vg/article/view/88