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KITKAS, G.C., VALERGAKIS, G.E., KRITSEPI-KONSTANTINOU, M., GELASAKIS, A.I., ARSENOS, G., KALAITZAKIS, E. и PANOUSIS, N. 2019. Effects of ruminal pH and subacute ruminal acidosis on milk yield and composition of Holstein cows in different stages of lactation. Journal of the Hellenic Veterinary Medical Society. 70, 2 (июл. 2019), 1551–1560. DOI:https://doi.org/10.12681/jhvms.20861.