Abstract
Growth of Embryos in fresh and stored Eggs. Entwicklung und Wachstum von Hühnerembryonen in frischen und in gelagerten Eiern. Dr. L. Kaufmann. Archiv für Geflügelkunde, 1938, p. 76.Summary:1.The mortality of embryos grows with increasing length of time of egg storage before incubation, and is greatest during the first days of embryonic development.2.In stored eggs the 'water content of egg white decreases, whereas it is rising in egg yolk.3.After 1 or 2 weeks of incubation the embryos of fresh eggs are always considerably larger than those of eggs which were stored 24, 28 or 34 days.4.The percentage of water content is higher in embryos of stored eggs than in embryos developed in fresh eggs.5.The per cent. rate of growing during the second and third week of embryonic development is always higher in embryos of stored eggs than in those of fresh eggs.6.The hatch of stored eggs takes place about 1 day later than that of fresh eggs.7.In eggs stored before incubation the embryonic growing begins nearly 24 hours later than that in fresh eggs.
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