Animal Welfare, Animals, Cross-Sectional Studies, Housing, Animal, Animal Husbandry, Chickens - microbiology, Female, Agriculture, Oviposition, Egg Shell - microbiology, Chickens - physiology
CO2, CO 2, global warming, climate change, greenhouse effect, greenhouse effect gases, emisiones de gases de efecto invernadero, carbon dioxide
Obesity - epidemiology
Climate, Birds, Research, Behavior, Animal behavior, Animal feeding behavior, Reindeer, Ptarmigans
Experiments, Animals, Epidemiology, Colleges & universities, Antibiotics, Zoonoses, Bacteria, Bacterial Proteins - genetics, Bacterial Proteins - metabolism, Feces - microbiology, Streptococcus - pathogenicity, Streptococcus - genetics, Streptococcal Infections - transmission, Endocarditis, Bacterial - microbiology, Poultry, Manures
Climate change, Global warming, Atmospheric Sciences, Earth Sciences, Climate Change Impacts, Distribution, Life cycles, Algae, Plankton, Phytoplankton, Cyanobacteria, life cycle, Biological-physical feedback mechanisms, N 2 -fixation
Experiments, Animals, Epidemiology, Colleges & universities, Antibiotics, Zoonoses, Bacteria, Poultry, Manures