Table 1.

Stages to assess the development of Fascioloides magna eggs in roe deer samples.

Developmental Category	Main Characteristics
Unembryonated egg	No developmental processing, the eggs usually seem empty or damaged (Figure 1A)
Embryonated egg	Embryo position in the egg’s centre, embryo formation visible (Figure 1B)
Eye-spot development	Movement often observable eye-spots appeared (Figure 1C)
Pre-hatching miracidium	Intensive movement increased mucoid plug (Figure 1D)
Hatching	Opened operculum miracidia outside the egg (Figure 1E)