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Foie gras development in birds: physiological and biochemical characteristics.

Formation du foie gras : caractéristiques physiologiques et chimiques.

Author(s) : BLUM J. C.

Type of article: Article

Summary

Cramming of geese is an ancient skill (2,500 years B.C.) that has allowed "foie gras" production. The hepatic steatosis which develops as a result of over-feeding is particularly dramatic: in less than two weeks the liver weight may increase tenfold. The liver has a composition which does not depend on the length of the force-feeding period, but only on its weight. "Foie gras" formation is a reversible process: after a long fasting period, birds recovered their initial live weight and a liver with the same characteristics (weight, composition, histological structure) than those observed in never force-fed controls. It seems that cramming does not really hurt the birds. There is no symptom of acute or chronic stress.

Details

  • Original title: Formation du foie gras : caractéristiques physiologiques et chimiques.
  • Record ID : 1998-1764
  • Languages: French
  • Source: C. R. Acad. Agric. Fr. - vol. 83 - n. 3
  • Publication date: 1997
  • Document available for consultation in the library of the IIR headquarters only.

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