Hassanien, H., E. Abdel-Raouf, A. Mahmoud, and L. Greene. “A The Effect of Variation in Dietary Cation-Anion Difference on Calcium Status, Blood Metabolites and Rumen Activity During the Transition Period of Holstein Dairy Cows : Dietary Cation-Anion Difference”. Journal of the Hellenic Veterinary Medical Society, vol. 74, no. 3, Oct. 2023, pp. 5965-78, doi:10.12681/jhvms.30607.