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Updated: May 10, 2026
08:13
Study of In Vivo Glucose Metabolism in High-fat Diet-fed Mice Using Oral Glucose Tolerance Test (OGTT) and Insulin Tolerance Test (ITT)
Published on: January 7, 2018
Insulin resistance in dairy cows.
Jenne D De Koster1, Geert Opsomer
1Department of Reproduction, Obstetrics and Herd Health, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, Merelbeke 9820, Belgium.
Summary
Insulin is crucial for dairy cow milk production by regulating glucose metabolism. Understanding insulin resistance in cows is key for improving their health and productivity.
Area of Science:
- Animal Science
- Metabolic Diseases
- Dairy Cattle Nutrition
Background:
- Glucose is the primary driver of milk production in dairy cows.
- Insulin regulates glucose metabolism through pancreatic secretion and tissue sensitivity.
- Insulin resistance, a decrease in insulin sensitivity or responsiveness, occurs in physiological and pathological states.
Purpose of the Study:
- To elucidate the role of insulin in dairy cow glucose metabolism.
- To highlight the importance of understanding insulin physiology for assessing insulin resistance.
- To provide a foundation for measuring in vivo insulin resistance in dairy cows.
Main Methods:
- Review of physiological mechanisms of insulin action in glucose metabolism.
- Analysis of factors contributing to insulin resistance in dairy cattle.
- Discussion of the necessity for comprehensive knowledge of insulin physiology.
Main Results:
- Insulin's pivotal role in glucose metabolism is confirmed.
- Insulin resistance can arise from both normal (pregnancy, lactation) and abnormal conditions.
- Accurate measurement of in vivo insulin resistance requires a solid understanding of normal insulin physiology.
Conclusions:
- A thorough understanding of normal insulin physiology is essential for accurately assessing insulin resistance in dairy cows.
- Knowledge of insulin's role in glucose metabolism is critical for dairy herd health and productivity.
- Further research into insulin resistance mechanisms can inform management strategies for dairy cattle.
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