A. Fekri, M. Ganjkhanlou, M. Ramin, A. Zali, M. Dehghan-Banadaky, and M. Sadeghi, “Effects of rumen protected choline and methionine on in vitr o gas production kinetics and the characteristics of rumen fermentation”, J Hellenic Vet Med Soc, vol. 76, no. 2, pp. 9271–9280, Jul. 2025.