P. F. Johnsen

Influence of early rearing conditions on the development of feather pecking and cannibalism in domestic fowl

P. F. Johnsen, K. Vestergaard, G. Nørgaard-Nielsen · Applied Animal Behaviour Science · 1998 · 165 citations

Animal Performance, Breeding Behavior, Engineering +8

Assessment of Farm Animal Welfare at Herd Level: Many Goals, Many Methods

P. F. Johnsen, Torfi Jóhannesson, Peter Sandøe · Acta Agriculturae Scandinavica Section A – Animal Science · 2001 · 128 citations · Full text

Dustbathing and pecking behaviour in chicks from a high and a low feather pecking line of laying hens

P. F. Johnsen, K. Vestergaard · Applied Animal Behaviour Science · 1996 · 22 citations

Breeding Behavior, Engineering, Low Feather +6

Validation of Welfare Assessment Methods at Herd Level: An Example

Lis Alban, Annette Kjær Ersbøll, Torben Werner Bennedsgaard et al. · Acta Agriculturae Scandinavica Section A – Animal Science · 2001 · 14 citations

Agricultural Economics, Livestock Production, Education +17

Outline of a Risk Assessment: The Welfare of Future Xeno-Donor Pigs

Kirsten Dahl, Peter Sandøe, P. F. Johnsen et al. · Animal Welfare · 2003 · 11 citations

Fertility, Transgenic Mouse Models, Genetics +21