Source Library

Our comprehensive library of peer-reviewed research, meta-analyses, systematic reviews, and official guidelines that support our evidence-based content. Every source undergoes a verification process to ensure accuracy and accessibility.

Evaluation of cats fed vegetarian diets and attitudes of their caregivers

Conversion of alpha-linolenic acid to longer-chain polyunsaturated fatty acids in human adults

EPA Agricultural Runoff Fact Sheet

Maintenance of good animal welfare standards in beef slaughter plants by use of auditing programs

Legume versus fertilizer sources of nitrogen: ecological tradeoffs and human needs

Do fishes have nociceptors? Evidence for the evolution of a vertebrate sensory system

Meta-analysis of nitrogen balance studies for estimating protein requirements in healthy adults

Eicosapentaenoic and docosapentaenoic acids are the principal products of alpha-linolenic acid metabolism in young men

Idiosyncratic nutrient requirements of cats appear to be diet-induced evolutionary adaptations

The neurobehavioral nature of fishes and the question of awareness and pain

Self-selection of the analgesic drug carprofen by lame broiler chickens

Interaction of estrogenic chemicals and phytoestrogens with estrogen receptor beta

Survey of Stunning and Handling in Federally Inspected Beef, Veal, Pork, and Sheep Slaughter Plants

U.S. could feed 800 million people with grain that livestock eat

The Expensive-Tissue Hypothesis: The Brain and the Digestive System in Human and Primate Evolution

Infanticide among animals: A review, classification, and examination of the implications for the reproductive strategies of females