Pfeifer, M Inter- and intra-observer reliability of animal welfare indicators for the on-farm self-assessment of fattening pigs. [electronic resource] - Animal : an international journal of animal bioscience Aug 2019 - 1712-1720 p. digital Publication Type: Journal Article ISSN: 1751-732X Standard No.: 10.1017/S1751731118003701 doi Subjects--Topical Terms: Animal Husbandry--standardsAnimal Welfare--standardsAnimalsFarmsGermanyHumansObserver VariationReproducibility of ResultsSwine--physiology