Table 1.

Procedures applied to embryos on breakout according to incubation period

Procedure	Incubation day
	0 - 2	3 - 15	15- 20
Weighing	x	x	x
Candling	x	x	x
Detection of embryo		x	x
Assessment of HR and VMM		x	x
Embryo euthanasia
(<4°C, 4 h)	x	x
(100%, CO2)			x
Detection and measurement of blastodisc/blastoderm	x
Detection and measurement of embryo		x	x
Weighing of embryo		x	x
Weighing of the albumen, yolk and shell	x	x	x