Ionic constituents and osmolality of the small intestinal fluids of the laying hen

British Poultry Science
P Mongin

Abstract

1. The osmotic pressure of the liquid phase of the contents of the small intestine is always hypertonic to plasma and not affected by egg formation. 2. Chloride concentration is higher during shell calcification, sodium and calcium concentrations increase at the end of shell deposition while calcium concentration shows a cyclic variation with a maximum 18 h after ovulation. 3. The relationships between the ions and water of the duodenum and upper jejunum are modified by egg formation: the apparent reduction of Na+ and W+ is compensated by an increase in Ca2+. 4. It is concluded that egg formation acts on the intestinal composition via the proventriculus and gizzard rather than through a direct effect on the intestine.

References

Jul 1, 1973·The American Journal of Physiology·S HurwitzI Cohen
Oct 1, 1970·The Journal of Nutrition·S HurwitzA Bar
May 1, 1971·The Journal of Nutrition·S Hurwitz, A Bar
Jul 1, 1965·Canadian Journal of Biochemistry·R P Harpur, J S Popkin

Citations

Jan 1, 1982·Pflügers Archiv : European journal of physiology·Y Nys, P Mongin
Jan 1, 1982·Comparative Biochemistry and Physiology. A, Comparative Physiology·D H Thomas
Jan 1, 1986·Comparative Biochemistry and Physiology. C, Comparative Pharmacology and Toxicology·M C Cabrera-Saadoun, B Sauveur
Feb 27, 2001·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·H KettunenM Saarinen
Jun 26, 2001·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·H KettunenK Tiihonen
Jun 1, 2005·Nutrition Research Reviews·M EklundR Mosenthin
Sep 1, 1976·British Poultry Science·P Mongin
Jan 3, 2009·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·Arie Bar
Aug 1, 1979·CRC Critical Reviews in Clinical Laboratory Sciences·L M Killingsworth

Related Concepts

Calcium
Chloride Ion Level
Duodenum
Ileum
Intestinal Absorption
Intestines, Small
Jejunum
Osmolality
Oviposition
Potassium

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