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Related Experiment Videos

Feeding behaviour in chickens given diets containing medium chain triglyceride

M Furuse1, R T Mabayo, Y H Choi

  • 1Laboratory of Animal Nutrition, School of Agriculture, Nagoya University, Japan.

British Poultry Science
|March 1, 1993
PubMed
Summary

Dietary medium-chain triglycerides (MCT) significantly reduced short-term food intake in chickens compared to long-chain triglycerides (LCT). This effect was not mediated by cholecystokinin (CCK) and chicks preferred LCT over MCT diets.

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Area of Science:

  • Animal Nutrition
  • Poultry Science
  • Gastroenterology

Background:

  • Dietary fats play a crucial role in animal feed, influencing intake and physiological responses.
  • Medium-chain triglycerides (MCT) and long-chain triglycerides (LCT) differ in their absorption and metabolic pathways.
  • Understanding the impact of different triglyceride types on feed intake is vital for optimizing poultry diets.

Purpose of the Study:

  • To compare the short-term effects of dietary medium-chain triglycerides (MCT) versus long-chain triglycerides (LCT) on food intake in chickens.
  • To investigate the potential role of endogenous cholecystokinin (CCK) in mediating the effects of MCT on food intake.
  • To assess the palatability of diets containing MCT compared to LCT in a choice-feeding scenario.

Main Methods:

Related Experiment Videos

  • Experiment 1: Chicks were fed diets supplemented with either glyceryl tricaprylate (C8, MCT), glyceryl tricaprate (C10, MCT), or maize oil (LCT).
  • Experiment 2: Chicks were administered the CCK-A receptor antagonist devazepide (DVZ) before presentation of LCT or MCT diets.
  • Experiment 3: Chicks were offered a choice between diets containing LCT and MCT (C8 or C10) or between C8 and C10 diets.

Main Results:

  • Both MCT-supplemented diets (C8 and C10) led to a significant decrease in cumulative food intake within 30 minutes compared to the LCT diet.
  • Administration of devazepide did not alter the reduced food intake observed with MCT-supplemented diets, suggesting CCK is not involved.
  • Chicks showed no preference between C8 and C10 diets but significantly preferred the LCT-supplemented diet over either MCT diet.

Conclusions:

  • Dietary MCT, specifically C8 and C10, suppresses short-term food intake in chickens more than LCT.
  • The reduction in food intake by MCT is independent of endogenous cholecystokinin signaling.
  • Chickens exhibit a preference for LCT over MCT when given a dietary choice, indicating potential palatability differences.