Embryogenesis in 100% O2 at reduced pressure

Details Embryogenesis in 100% O2 at reduced pressure Embryogenesis in 100% O2 at reduced pressure

Dec 1971

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1971slsci...3..118w&link_type=abstract

Space Life Sciences, Volume 3, Issue 2, pp.118-124

Physics

Scientific paper

Fertile chicken eggs were incubated in an altitude chamber in a near 100% O2 atmosphere at 225 torr. Both N2 and CO2 were kept under 0.5%. Temperature was a standard 37.5° but a high relative humidity of 90% was required to prevent dehydration. In ten trials involving 382 eggs, hatchability averaged 21% of controls and weight of chicks was 11% less than controls, but embryo mortality was distributed similarly. Low pressureper se and small differences in O2 tension may have affected the results, but similarities to incubation in 21% O2-79% He call attention to absence of nitrogen as a possible explanation.

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