Absorption 1 Animal Nutrition (Physiology) 1 Animal Nutrition (Production Responses) 1 Animal Wastes 1 Animal feeding 1 Animal nutrition 1 Animal wastes 1 Cattle 1 Deterministic models Digestion 1 Domestic animals 1 Environmental impact 1 Feed Composition and Quality 1 Feeds 1 Fishes 1 Growth 1 Livestock 1 Mathematics and Statistics 1 Methodology 1 Mineral metabolism 1 Models 1 Nutrients 1 Nutrition physiology 1 Nutritive value 1 Pigs 1 Pollution 1 Pollution and Degradation 1 Poultry 1 Research 1 Rumen fermentation 1