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Updated: Mar 2, 2026

Palatable Western-style Cafeteria Diet as a Reliable Method for Modeling Diet-induced Obesity in Rodents
Published on: November 1, 2019
Scientific value and limitations of purified diets in animal research
Fangrui Guo1, John P Kastelic2, Lixin Wen1
1Hunan Engineering Research Center of Livestock and Poultry Health Care, College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China.
Abstract:
Purified diets widely used in rodent studies lack bioactive compounds from whole foods that affect gut microbiota and host physiology; this may cause contradictory outcomes in some studies. Prioritizing biological relevance over compositional reproducibility and reassessing dietary models are crucial for improving scientific rigor.
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