The effect of discontinued use of antimicrobial growth promoters on the risk of therapeutic antibiotic treatment in Danish farrow-to-finish pig farms

Vigre, Håkan ; Larsen, P.B. ; Andreasen, Morten ; Christensen, Julia ; Jorsal, Sven Erik Lind

in journal: Epidemiology and Infection (ISSN: 0950-2688) (DOI: http://dx.doi.org/10.1017/S095026880700814X), vol: 136, issue: 1, pages: 92-107, 2008

Type: Journal article - Journal article

DOI: 10.1017/S095026880700814X

An Actinobacillus pleuropneumoniae PCR typing system based on the apx and omlA genes - evaluation of isolates from lungs and tonsils of pigs

Gram, T. ; Ahrens, Peter ; Andreasen, Morten ; Nielsen, J.P.

in journal: Veterinary Microbiology (ISSN: 0378-1135), vol: 75, issue: 1, pages: 43-57, 2000

Type: Journal article - Journal article

Lack of effect of aerial ammonia on atrophic rhinitis and pneumonia induced by Mycoplasma hyopneumoniae and toxigenic Pasteurella multocida

Andreasen, Morten ; Bækbo, P. ; Nielsen, Jens

in journal: Journal of Veterinary Medicine Series B-infectious Diseases and Veterinary Public Health (ISSN: 0931-1793) (DOI: http://dx.doi.org/10.1046/j.1439-0450.2000.00335.x), vol: 47, issue: 3, pages: 161-171, 2000

Type: Journal article - Journal article

DOI: 10.1046/j.1439-0450.2000.00335.x

Effect of aerial ammonia on porcine infection of the respiratory tract with toxigenic Pasteurella multocida

Andreasen, Morten ; Bækbo, P. ; Nielsen, J.P.

in journal: Acta Veterinaria Scandinavica (ISSN: 0044-605X), vol: 40, issue: 3, pages: 197-203, 1999

Type: Journal article - Journal article