Ouest (1) France (1) Employment (1) Breeding (1) Zoology (1) Wetlands (1) Swamps (1) Simplicity (1) Production (Economic theory) (1) Prairies (1) Plants (1) Meadows (1) Marshes (1) Grasslands (1) Farmers (1) Expression (1) Economics (1) Commercial products (1) Animals (1) Animal breeders (1) Management (1) Technique (1) Societies, etc (1) Societies and clubs (1) Science (1) Occupations (1) Effectiveness (1) First performances (1) Experiments (1) Protection (1)