OLEKSANDR S. DEMYDKO. Ruminal fermentation and immunity of calves in different periods of postnatal growth and development and correction of it : Доктор філософії : spec.. 211 - Ветеринарна медицина : presented. ; popup.evolution: o; Sumy National Agrarian University. – Суми, 0826U002937.

Updated: 2026-11-08