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Post-natal changes in biliary lipids in suckling goat kids
J I Fernández1, J A Naranjo, A Valverde
1Departamento de Fisiología, University of Granada, Spain.
The British Veterinary Journal
|November 1, 1996
Summary
Biliary lipid composition in young goats changes significantly in the first month of life. Bile flow and bile acid concentrations increase, while cholesterol decreases, with taurine-conjugated bile acids predominating.
Area of Science:
- Veterinary Medicine
- Gastroenterology
- Animal Physiology
Background:
- Biliary lipid composition is crucial for digestion and absorption.
- Understanding post-natal changes in young animals is vital for their health and development.
- Goat kids, as pre-ruminants, have unique physiological adaptations.
Purpose of the Study:
- To investigate the changes in biliary lipid composition in suckling goat kids during the first month of life.
- To analyze the concentrations of bile acids and cholesterol in hepatic and vesicular bile.
- To compare the composition of hepatic and vesicular bile and assess gallbladder function.
Main Methods:
- Hepatic and vesicular bile samples were collected from suckling goat kids.
- Bile samples were analyzed for lipid composition, including bile acids and cholesterol.
- Bile flow and concentrations were measured over the first month of life.
Main Results:
- Bile flow increased with age in goat kids.
- Bile acid concentration rose up to 14 days, then stabilized.
- Cholesterol levels were highest at birth and decreased thereafter.
- Taurine-conjugated bile acids were predominant, a pattern consistent across ages.
- The gallbladder showed a poor concentration capacity in pre-ruminant kids.
Conclusions:
- Biliary lipid composition undergoes significant post-natal development in goat kids.
- The predominance of taurine-conjugated bile acids is a key feature of goat biliary physiology.
- Gallbladder function in pre-ruminant kids is immature, impacting bile concentration.