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Michael Larsen ()                                                                       

 

Position

Associate Professor
 

Institution

Danish Center for Experimental Parasitology
Section for Parasitology
Department of Veterinary Pathobiology (DVP)
Royal Veterinary & Agricultural University  (RVAU) 
 

Address

100 Dyrlægevej, DK-1870 Frederiksberg C, Denmark
(direct)
(fax)

 

Education

M.Sc (Microbiology), Copenhagen University, Copenhagen 1988
Ph.D (Parasitology), Royal Veterinary & Agricultural University, 1992
 

Professional Experience

After a short-term employment as a research scientist at Scandinavian Biomedical Institute, 1988, dr. Michael Larsen was employed as a Research Assistant at the Laboratory for Parasitology, DVP, RVAU, 1988-1992. After receiving the Ian McMaster Post-doctoral Fellowship for 1992-93 he worked at CSIRO McMaster laboratory, Sydney, Australia. Since returning from Australia he has been working first as a Research Fellow, in 1995 appointed Senior Research Fellow and since 2000 he has been employed as an Associate Professor at DVP, RVAU. Dr. Michael Larsen has been ad hoc consultant for i.e. FAO on Biological Control projects in Brazil and Malaysia, as well as on other international projects (i.e. in Indonesia and Australia). He is recognized as a world-leading expert on integrated, sustainable parasite control with special emphasis on biological control of parasitic nematodes in livestock. He is author or co-author of more than 60 refereed journal articles, several technical reports and proceedings papers/abstracts. Dr. Larsen has a vast network of research collaborators, nationally and internationally. These include other Departments at KVL, the Danish Farmers Advisory Service (Skejby, DK), local veterinarians and farmers, University of Georgia (Athens, GA), Fort Valley State University (Fort Valley, GA), Louisiana State University (Baton Rouge, LA), University of New England (Armidale, NSW, Australia), University of Melbourne (Melbourne, Vic, Australia), Massey University & AgResearch (Palmerston North, New Zealand), Ecole Nationale Vétérinaire de Toulouse (Toulouse, France), Swedish University of Agricultural Sciences (Uppsala, Sweden), Moredun Research Institute (Edinburg, UK), Utrecht University (Utrecht, the Netherlands), Servicio de Investigación Agraria (Zaragoza Spain), Universidade Federal de Minas Gerais (Belo Horizonte, Brazil), & National Agricultural Research Foundation (Thesaloniki, Greece). He has been supervising several national and international M.Sc and Ph.D students and is taking part in teaching undergraduate veterinary student in Parasitology, as well on courses for M.Sc students within the M.Sc education in Parasitology at KVL.
 

Research Interests

Major research interest is on integrated, sustainable control of gastrointestinal nematodes in grazing livestock in both organic and conventional production systems using biological control, bioactive forages and grazing management strategies. These strategies have been employed in all major species of livestock except poultry, but emphasis is on ruminants. Also interested in ecology, transmission of and infection by parasitic nematodes as well as ecology, transmission and control of the liverfluke Fasciola hepatica in cattle and sheep.
 

Selected Recent Publications

Larsen M. 2000. Prospects for controlling animal parasitic nematodes by predacious micro fungi. Parasitology 120, S120-S131.

Faedo M., Larsen M. & Thamsborg S.M. 2000. Effect of different times of administration of the nematophagous fungus Duddingtonia flagrans on the transmission of ovine parasitic nematodes on pasture - a plot study. Veterinary Parasitology 94, 55-65.

Baudena M. A., Chapman M.E., Larsen M., & Klei T.R 2000. Efficacy of the nematophagous fungus Duddingtonia flagrans in reducing equine cyathostome larvae on pasture in southern Louisiana. Veterinary Parasitology 89, 219-230.

Grønvold J., Wolstrup J., Larsen M., Henriksen S.A. & Nansen P. 2000. Absence of obvious short-term impact of the nematode-trapping fungus Duddingtonia flagrans on survival and growth of the earthworm Aporrectodea longa. Acta veterinaria Scandinavica 41, 147-151.

Terrill T., Kaplan R., Larsen M., Samples O.M., Miller J.E. & Gelaye S. 2001. Anthelmintic resistance on goat farms in Georgia – efficacy of anthelmintics against gastrointestinal nematodes in two selected goat herds. Veterinary Parasitology 97, 261-268.

Faedo M., Larsen M., Dimander S.O., Yeates G.W., Höglund J. & Waller P.J. 2002. Growth of the fungus Duddingtonia flagrans in soil surrounding faeces depositied by cattle or sheep fed the fungus as a means of controlling the free-living stages of nematode parasites. Biological Control 23, 64-70.

Faedo M., Larsen M. & Grønvold J. 2002. Predacious activity of Duddingtonia flagrans within cattle faecal pats. J. Helminthol. 76, 295-302.

Pena M.T., Fontenot M.E., Miller J.E., Gillespie A. & Larsen M. 2002. Evaluation of the efficacy of Duddingtonia flagrans in reducing infective larvae of Haemonchus contortus in feces of sheep. Veterinary Parasitology 103, 259-265.

Chandrawathani P., Jamnah O., Waller P.J., Höglund J.,  Larsen M., &  Zahari W. M. 2002. Nematophagous fungi as a biological control agent for nematode parasites of small ruminants in Malaysia: a special emphasis on Duddingtonia flagrans. Veterinary Research 33, 685-696.

Mortensen L.L., Williamson L.H., Terrill T., Kircher R., Larsen M., & Kaplan R.M. 2003. Prevalence and clinical implications of anthelmintic resistance in gastrointestinal nematodes of goats, Journal of the American Veterinary Medical Association, 223, 495-500.

Fontenot M.E., Miller J.E., Larsen M., & Gillespie A. 2003. Efficiency of feeding Duddingtonia flagrans chlamydospores to grazing ewes on reducing availability of parasitic nematode larvae on pasture. Veterinary Parasitology 118, 203-213.

Chandrawathani P., Jamnah O., Waller P.J., Larsen M., Gillespie A. &  Zahari W.M. 2003. Biological control of nematode parasites of small ruminants in Malaysia using the nematophagous fungus Duddingtonia flagrans. Veterinary Parasitology 117, 173-183.

Chandrawathani P., Jamnah O., Waller P.J., Larsen M., &  Gillespie A.T. 2004. Field studies on the biological control of nematode parasites of sheep in the tropics, using the microfungus Duddingtonia flagrans. Veterinary Parasitology 120, 177-187.

Terrill T., Larsen M., Samples O.M., Husted S., Miller J.E., Mathews C., Kaplan R.M., & Gelaye S. 2004. Capability of the nematode-trapping fungus Duddingtonia flagrans to reduce infective larvae of gastrointestinal nematodes in goat feces in the southeastern United States: Dose titration and dose time interval studies. Veterinary Parasitology 120, 285-296.

Terrill,  J.E. Miller, W.R. Getz, S. Mobini, E. Valencia, M.J. Williams, L.H. Williamson, M. Larsen, and A.F. Vatta.  2004. Validation of the FAMACHA© eye color chart for detecting clinical anemia in sheep and goats on farms in the southern United States Veterinary Parasitology (in press).

Cottee P.A., Nisbet A.J., Boag P.R, Larsen M. & Gasser R.B. 2004. Major sperm protein of Oesophagostomum dentatum. Parasitology (in press).

 

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