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Of 149 eggs obtained from 3 quails (Coturnix coturnix japónica) artificially inseminated with domestic fowl semen, 8 showed embryonic development. The stages of development reached, in terms of the equivalent development of normal quail embryos, were 2-3 days (5 embryos), 5 days (2 embryos) and...

Tohoku Journal of Agricultural Research, 1959, 10, pp 59-63