Facilities under GLP requirements would most likely utilize which type of feed?

Facilities operating under Good Laboratory Practices (GLP) guidelines prioritize consistency, quality, and reproducibility in their experiments and studies. Certified diets are specifically designed and manufactured to meet these strict requirements, ensuring that the nutritional content and composition are standardized. This standardization minimizes variability that can arise from differences in diet, which is crucial for the validity of scientific research.

Certified diets are produced under controlled conditions and often undergo rigorous testing and quality assurance processes, making them reliable for use in laboratory settings. Such diets are tailored to the specific needs of the animals used in research, further supporting the integrity of the experimental outcomes.

In contrast, standard laboratory chow might not always meet the specific nutritional requirements for certain studies, while organic feed and home-prepared diets can lead to variable nutritional profiles and contaminants, which could compromise research quality. This variance is not acceptable under GLP, where controlled conditions are paramount. Therefore, the use of certified diets aligns with GLP principles by ensuring that all animals receive a consistent and controlled diet throughout the research process.