E. Heldmer

Osteochondrosis, but not lameness, is more frequent among free-range pigs than confined herd-mates

B. Ytrehus, D. A. Morrison, S. Ekman, 2015, Acta Veterinaria Scandinavica.

Clinical characteristics, prevalence, influence on sow performance, and assessment of sow-related risk factors for granulomatous mastitis in sows.

C. Ehlorsson, C. Kugelberg, L. Eliasson-Selling, 2003, American journal of veterinary research.

Evaluation of environmental and management-related risk factors associated with chronic mastitis in sows.

C. Ehlorsson, C. Kugelberg, L. Eliasson-Selling, 2004, American journal of veterinary research.

Control of infections with Mycoplasma hyopneumoniae in swine herds by disrupting the chain of infection, disinfection of buildings and strategic medical treatment.

P. Wallgren, E. Heldmer, P. Sahlander, 1993, Zentralblatt fur Veterinarmedizin. Reihe B. Journal of veterinary medicine. Series B.

Effects of free-range and confined housing on joint health in a herd of fattening pigs

B. Ytrehus, N. Lundeheim, S. Ekman, 2014, BMC Veterinary Research.