Citation | Almahdawi, M.K.K. and R.F.A. Al-Obaidy. 2025. Effect of synergistic interaction cobalt and vitamin B12 on carcass traits, physical and chemical parameters of Iraqi lambs. Pakistan Journal of Agricultural Research, 38(4): 01-10. DOI | https://dx.doi.org/10.17582/journal.pjar/2025/38.4.01.10