Diet is one of many environmental variables which affects the phenotype of an animal and is one that can be easily controlled. Laboratory rodent diets are classified into two main types: grain-based diets (GBDs) or purified diets (PDs). GBDs (also referred to as chow diets) are typically closed formulas and made with grain-based ingredients and animal byproducts.
Open Standard Diets Improve Metabolic in Mice
