The American Society of Animal Science (ASAS) has just updated its policy statement relating to nutrition and health provided by animals products. It was concluded that clear evidence exists to suggest that consumption of animal-sourced foods plays an important role in achieving a nutritionally balanced diet.
The ASAS policy recognises that a diversity of food sources remains a key element to a balanced diet, good health and even survival. Animal-sourced foods provide high-quality dietary protein that contains a balanced mixture of amino acids critical to normal growth and development of children, weight management in adolescents and adults, and prevention of degenerative loss of skeletal muscle mass in the elderly. Animal products also are excellent sources of other nutrients including iron, zinc, and vitamin B-12.
As societies develop economically, their diets become more diverse. Typically, animal products are more expensive than vegetable products but animal products are well recognized for bringing a more balanced nutritional status to a population. Diets that exclude animal products often are inadequate in providing essential nutrients and require dietary supplements. Furthermore, meat, eggs and dairy foods provide complementary nutrition to most indigenous diets, resulting in improved nutritional status and health of global populations.
Further details of the ASAS policy can be obtained from the website https://asas.org/docs/default-source/public-policy/nutrition.pdf?sfvrsn=2