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The embryo pancreas is a source of increased yolk amylase in the fertilized eggs of domestic fowls


, : The embryo pancreas is a source of increased yolk amylase in the fertilized eggs of domestic fowls. Jikken Dobutsu. Experimental Animals 41(1): 19-23

The amylases were studied in the yolk of fertilized eggs and in the pancreases of the embryos of domestic fowls. The amylase activity in the yolk increased markedly from 13 days of incubation until hatching, but the activity decreased when the embryos were taken out of the eggs. The isoamylases in the yolk and in the pancreas of the embryo were identical electrophoretically. The amylase occurs mainly in the pancreas of the embryo. We think that the increase in amylase activity in the yolk of fertilized eggs during incubation depends upon the accumulation of pancreatic amylase synthesized by the developing embryo in the egg.

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Accession: 002249818

PMID: 1371256

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