POŠIVÁK, Ján et al. The effect of feeding of glucogenic precursors on the follicular activity and metabolic parameters in dairy cows in the transition period. In Middle European buiatric congress. Konferencia. XVI. Middle European Buiatric Congress, 7th-9th April 2016, Hradec Kralove, Czech republic : Proceedings book. 1. vyd. - Hradec Králové : Prion, 2016. ISBN 978-80-87157-13-8, s. 108.