Veretilgaaglutinatsiooni meetodil uuritakse kõigis haudemune tootvates majandites 10% sugukarja lindudest, kui munatõugudel on munevus saavutanud 50% ja lihatõugudel 30%.
Each hatchery shall keep one or more registers where the following particulars shall be entered by species, category (grandparent, parent or utility stock) and type (table use, laying or dual purpose): (a) the date on which the eggs are placed in incubation and the number of incubated eggs ...