Zobrazeno 1 - 10
of 52
pro vyhledávání: '"Jespersen, Jørgen B."'
Biologisk bekæmpelse var en succes, da det blev introduceret første gang i 1880'erne i Californien. I artiklen defineres forskellige strategier og vi gør status over den faktiske brug af biologisk bekæmpelse, både i Danmark og globalt. Der er fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______245::b98b3baeceef82b2d0f43ef3c70b00a3
http://orgprints.org/14148/
http://orgprints.org/14148/
Autor:
Pedersen, Bo Vest, Loeschcke, Volker, Michelsen, Axel, Esbjerg, Peter, Sandøe, Peter, Jespersen, Jørgen B., Kryger, Per, Graugaard, Sonja, Bendixen, Christian, Andersen, Lene Hasmark, Larsen, Kirsten Brahe, Majgren, Bente Flügel, Fink, Lone
Publikováno v:
Pedersen, B V, Loeschcke, V, Michelsen, A, Esbjerg, P, Sandøe, P, Jespersen, J B, Kryger, P, Graugaard, S, Bendixen, C, Andersen, L H, Larsen, K B, Majgren, B F & Fink, L 2008, Konklusion og anbefalinger fra Moniteringsgruppe til faglig kvalitetssikring af Fødevareministeriets indsats for at sikre bevarelse af den brune bi på Læsø samt Teksnisk rapport vedrørende Det Jordbrugsvidenskabelige Fakultets projekt Den brune bi på Læsø : Undersøgelse af populationens genetiske renhed (1. april 2005-31. marts 2008) . Aarhus Universitet, Det Jordbrugsvidenskabelige Fakultet .
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::421ff988fa94929a3bfc2fe71dbc3ee5
https://pure.au.dk/ws/files/2446586/Slutrapport_April20081.pdf
https://pure.au.dk/ws/files/2446586/Slutrapport_April20081.pdf
Publikováno v:
Sommer, C, Jensen, K-M V & Jespersen, J B 2001, ' Topical treatment of calves with synthetic pyrethroids: effects on the non-target dung fly Neomyia cornicina (Diptera: Muscidae) ', Bulletin of Entomological Research, vol. 91, pp. 131-137 .
Dung from calves treated with synthetic pyrethroids negatively influenced, in varying degrees, survival, reproduction and size of the common dung fly Neomyia cornicina (Fabricius). This was documented in assays where the coprophagous larvae and adult
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pure_au_____::ea56163b16bd9b57a1072543c07125ee
https://pure.au.dk/portal/da/publications/topical-treatment-of-calves-with-synthetic-pyrethroids-effects-on-the-nontarget-dung-fly-neomyia-cornicina-diptera-muscidae(392e5ab0-74fd-11dd-acbf-000ea68e967b).html
https://pure.au.dk/portal/da/publications/topical-treatment-of-calves-with-synthetic-pyrethroids-effects-on-the-nontarget-dung-fly-neomyia-cornicina-diptera-muscidae(392e5ab0-74fd-11dd-acbf-000ea68e967b).html
Autor:
Kilpinen, Ole, Steenberg, Tove, Jespersen, Jørgen B., Birkett, Mike, Wadhams, Lester, Cruz, Maria Desamparados Soler
Publikováno v:
Kilpinen, O, Steenberg, T, Jespersen, J B, Birkett, M, Wadhams, L & Cruz, M D S 2001, Development of new control methods against chicken mites . in M Good, M J Hall, B Losson, D O'Brien, K Pithan & J Sol (eds), Mange and myiasis of livestock (Proceedings) . European Commission, pp. 33-35 .
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::da20ed02f06b4d73876d95f8011b308d
https://pure.au.dk/portal/da/publications/development-of-new-control-methods-against-chicken-mites(6bb5f960-3c6e-11dd-9f43-000ea68e967b).html
https://pure.au.dk/portal/da/publications/development-of-new-control-methods-against-chicken-mites(6bb5f960-3c6e-11dd-9f43-000ea68e967b).html
Autor:
Skovgård, Henrik, Jespersen, Jørgen B.
Publikováno v:
Skovgård, H & Jespersen, J B 2000, ' Seasonal and Spatial Activity of Hymenopterous Pupal Parasitoids (Pteromalidae and Ichneumonidae of the House Fly (Diptera: Muscidae) on Danish Pig and Cattle Farms ', Environmental Entomology, vol. 29, no. 3, pp. 630-637 .
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pure_au_____::bcc2447d9f67c0ebd99e563297946167
https://pure.au.dk/portal/da/publications/seasonal-and-spatial-activity-of-hymenopterous-pupal-parasitoids-pteromalidae-and-ichneumonidae-of-the-house-fly-diptera-muscidae-on-danish-pig-and-cattle-farms(faa4b960-78c6-11dd-acbf-000ea68e967b).html
https://pure.au.dk/portal/da/publications/seasonal-and-spatial-activity-of-hymenopterous-pupal-parasitoids-pteromalidae-and-ichneumonidae-of-the-house-fly-diptera-muscidae-on-danish-pig-and-cattle-farms(faa4b960-78c6-11dd-acbf-000ea68e967b).html
Autor:
Denholm, Ian, Jespersen, Jørgen B.
Publikováno v:
Denholm, I & Jespersen, J B 1998, ' ENMARIA-a new initiative in European insecticide and acaricide resistance management ', Outlooks on Pest Management
, vol. 9, pp. 31-33 .
, vol. 9, pp. 31-33 .
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pure_au_____::be409f8b73899df91fb7cd8614e15040
https://pure.au.dk/portal/da/publications/enmaria--a-new-initiative-in-european-insecticide-and-acaricide-resistance-management(614461d0-831b-11dd-a444-000ea68e967b).html
https://pure.au.dk/portal/da/publications/enmaria--a-new-initiative-in-european-insecticide-and-acaricide-resistance-management(614461d0-831b-11dd-a444-000ea68e967b).html
Autor:
Thomas, G., Jespersen, Jørgen B.
Publikováno v:
Thomas, G & Jespersen, J B 1994, ' Non-biting Muscidae and control methods ', Revue Scientifique et Technique, vol. 13, no. 4, pp. 1159-1173 .
Udgivelsesdato: Dec. 1994 Many non-biting muscids (filth flies) are characterised by the habit of visiting manure or rotting organic material to Seed and/or oviposit. As these flies also often have close associations with human beings, as well as hum
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pure_au_____::d7c509563f5a2a8e4ab328746c1bf7d2
https://pure.au.dk/portal/da/publications/nonbiting-muscidae-and-control-methods(56d65c90-8644-11dd-b457-000ea68e967b).html
https://pure.au.dk/portal/da/publications/nonbiting-muscidae-and-control-methods(56d65c90-8644-11dd-b457-000ea68e967b).html
Publikováno v:
Jensen, K-M V, Jespersen, J B & Nielsen, B O 1993, ' Variation in density of cattle-visiting muscid flies between Danish inland pastures ', Medical & Veterinary Entomology, vol. 7, no. 1, pp. 17-22 .
Udgivelsesdato: Jan. 1993 The density of cattle-visiting flies (Muscidae) and the load of black-flies (Simulium spp.) were estimated in twelve and eighteen inland pastures in Denmark in 1984 and 1985 respectively. No differences in the geographical d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pure_au_____::fe54c77e87a30b5e8f4016477f786e7d
https://pure.au.dk/portal/da/publications/variation-in-density-of-cattlevisiting-muscid-flies-between-danish-inland-pastures(0617f3a0-8968-11dd-a22f-000ea68e967b).html
https://pure.au.dk/portal/da/publications/variation-in-density-of-cattlevisiting-muscid-flies-between-danish-inland-pastures(0617f3a0-8968-11dd-a22f-000ea68e967b).html
Publikováno v:
Keiding, J, El-Khodary, A S & Jespersen, J B 1992, ' Resistance risk assessment of 2 insect development inhibitors, diflubenzuron and cyromazine, for control of the housefly musca-domestica l. Part 2. Effect of selection pressure in laboratory and field populations ', Pesticide science, vol. 35, no. 1, pp. 27-37 .
Laboratory selection with diflubenzuron (DFB) and cyromazine (CYR) was carried out with strains of houseflies collected on Danish farms. The adult flies were multiresistant to organophosphorus. carbamate and pyrethroid insecticides. Susceptibility to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pure_au_____::821ea97708cb6be5184ce334463da840
https://pure.au.dk/portal/da/publications/resistance-risk-assessment-of-2-insect-development-inhibitors-diflubenzuron-and-cyromazine-for-control-of-the-housefly-muscadomestica-l(15335540-8969-11dd-a22f-000ea68e967b).html
https://pure.au.dk/portal/da/publications/resistance-risk-assessment-of-2-insect-development-inhibitors-diflubenzuron-and-cyromazine-for-control-of-the-housefly-muscadomestica-l(15335540-8969-11dd-a22f-000ea68e967b).html
Autor:
Sommer, C., Steffansen, B., Nielsen, B. Overgaard, Grønvold, J., Jensen, Karl-Martin Vagn, Jespersen, Jørgen B., Springborg, J., Nansen, P.
Publikováno v:
Sommer, C, Steffansen, B, Nielsen, B O, Grønvold, J, Jensen, K-M V, Jespersen, J B, Springborg, J & Nansen, P 1992, ' Ivermectin excreted in cattle dung after subcutaneous injection or pour-on treatment : Concentrations and impact on dung fauna ', Bulletin of Entomological Research, vol. 82, no. 2, pp. 257-264 .
Heifers were treated with the recommended doses of ivermectin: 0.2 mg/kg bw by subcutaneous injection or 0.5 mg/kg bw by pour-on. An analytic procedure is described and used for the detection of ivermectin residues excreted in dung. A large amount of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pure_au_____::4943679e09f24df3fe2dd715891bda2a
https://pure.au.dk/portal/da/publications/ivermectin-excreted-in-cattle-dung-after-subcutaneous-injection-or-pouron-treatment(a367ae90-896b-11dd-a22f-000ea68e967b).html
https://pure.au.dk/portal/da/publications/ivermectin-excreted-in-cattle-dung-after-subcutaneous-injection-or-pouron-treatment(a367ae90-896b-11dd-a22f-000ea68e967b).html