Gîlcă, IoanGîlcă, ValericaRadu Rusu, Răzvan-MihailZus, T.2026-06-152026-06-1520222821 - 6644https://repository.iuls.ro/handle/20.500.12811/6642The study was carried out on 150 cattle of Romanian Black Spotted breed, raised in the private farms in Iași county, and the main indices of production and breeding were analyzed. Thus, was pursued quantitative and qualitative milk production in first lactation, body development in second lactation, respectively the age at first calving (VP), dry period (RM), calving interval (CI), service period (SP) and their evolution in the successive lactations (from I to VI).enCC BY-NC-SA 4.0https://creativecommons.org/licenses/by-nc-sa/4.0/Romanian Black SpottedcattleindicesreproductiveproductiveArticle