academic article

Feather-pecking and injurious pecking in organic laying hens in 107 flocks from eight European countries.  Animal Welfare.  26. 2017
Human health implications of organic food and organic agriculture: a comprehensive review.  Environmental Health.  16. 2017
Prevalence and magnitude of helminth infections in organic laying hens (Gallus gallus domesticus) across Europe.  Veterinary Parasitology.  214. 2015
Health and welfare of organic pigs in Europe assessed with animal-based parameters.  Organic Agriculture.  4. 2014