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Ca2(+)-dependent glucose transport in chicken intestine
Indian Journal of Experimental Biology
|July 1, 1989
Summary
Calcium ions (Ca2+) significantly enhance glucose transport in chicken intestines, playing a major role compared to other ions like sodium (Na+). This finding is crucial for understanding nutrient absorption in poultry.
Area of Science:
- Animal Physiology
- Nutrient Transport
- Avian Biology
Background:
- Glucose absorption is vital for energy in poultry.
- The role of specific ions in intestinal glucose transport requires further elucidation.
Purpose of the Study:
- To investigate the effect of calcium ions (Ca2+) on glucose transport in the chicken intestine.
- To compare the influence of Ca2+ with other ions (Na+, K+, PO43-) on glucose absorption.
Main Methods:
- In vivo study using ligated upper small intestinal segments in white leghorn layers.
- Measurement of glucose transport in the presence of various ions, singly and in combination.
Main Results:
- Ca2+ significantly increased glucose transport compared to Na+, K+, and PO43- individually.
- Combined Ca2+ with Na+, K+, and PO43- further enhanced glucose absorption significantly over Na+ alone.
Conclusions:
- Ca2+ ions appear to exert a major influence on intestinal glucose transport processes in chickens.
- Understanding ion-specific effects on nutrient absorption can inform poultry nutrition and health.