Chickens and eggs in the built environment

The built environment includes housing for livestock, which may have consequences for the transmission of zoonotic diseases in our food supply. Different animal housing strategies provide an ideal opportunity to test the effects of crowding and degree of confinement on the microbiology of built environments. In the case of egg-laying chickens, housing strategies include conventional cages, …

Dusty Houses and Type 1 Diabetes

Among the cleanest and wealthiest countries in the world, Finland has the highest rate of Type 1 diabetes, while other messier and poorer countries have much lower rates. A recent article in the Washington Post discusses ongoing research to explore how exposure to dust and bacteria in houses might contribute to the onset of Type …

Dog hair and asthma

One aspect of life with dogs is that my house and clothing tend be coated in a layer of hair. However, a recent study by Fujimura et al. indicates that the dust in houses with dogs may confer protection from airway allergens and respiratory infection compared to houses with no pets. Fujimura et al. exposed …