"nutrient digestibility" refers to how well our body can break down and absorb the nutrients from the food we eat. It tells us how effective our body is at getting the essential nutrients from the food to use for energy and growth. Full definition
The effect of ageing on nutrient digestibility by cats fed beef tallow -, sunflower oil - or olive oil - enriched diets. (scielo.br)
Diets that dilute calories with high fiber lead to increased stool volumes, frequent urges to defecate and variable decreases in nutrient digestibility. (metrodetroitanimals.org)
Alternatively, improvements in ingredient quality and manufacturing process to optimize nutrient digestibility and bioavailability can have a positive impact on pet health and nutritional sustainability. (academic.oup.com)