Items where Author is "Mejer, Helena"

Number of eprints: 63.

Journal paper

Andrasen, Annette; Sengupta, Mita Eva; Skovgaard, Kerstin; Jensen , Bent Borg; Thamsborg, Stig MIlan; Kringel, Helene; Petersen, Heidi Huus and Mejer, Helena (2015) Effect of dried chicory roots on host immune responses against Oesophagostomum dentatum infections in pigs. Parasitology. [draft]

Thapa, Sundar; Meyling, Nicolai V.; Katakam, Kiran Kumar; Thamsborg, Stig Milan and Mejer, Helena (2014) Relative ovicidal effect of soil microfungi on thick-shelled eggs of animal-parasitic nematodes. Biocontrol Science and Technology. [Completed]

Katakam, Kiran Kumar; Thamsborg, Stig Milan; Kyvsgaard, Niels Christian; Dalsgaard, Anders and Mejer, Helena (2014) Development and survival of Ascaris suum eggs in deep litter of pigs. Parasitologi, 141, pp. 1646-1656.

Edwards, Sandra; Mejer, Helena; Roepstorff, Allan and Prunier, Armelle (2014) Animal health, welfare and production problems in organic pregnant and lactating sows. Organic Agriculture, pp. 93-105.

Petersen, Heidi Huus; Jianmin, Wang; Katakam, Kiran Kumar; Mejer, Helena; Ståhl, Marie; Dalsgaard, Anders; Olsen, Annette; Thamsborg, Stig Milan and Enemark, Heidi (2014) Cryptosporidium and Giardia in organic pig farms: a longitudinal study of seasonal- and age-related variation in species, genotypes and excretion levels. [Completed]

Prunier, Armelle; Lubac, Stanislas; Mejer, Helena; Roepstorff, Allan and Edwards, Sandra (2014) Health, welfare and production problems in organic suckling piglets. Organic Agriculture, pp. 107-121.

Mejer, Helena; Thamsborg, Stig Milan and Roepstorff, Allan (2014) Long-term survival and infectivity of porcine helminths on paddocks in relation to ploughing. Veterinary Parasitology. [Completed]

Katakam, Kiran Kumar; Mejer, Helena; Dalsgaard, Anders; Kyyvsgaard, Niels Christian and Thamsborg, Stig Milan (2014) Survival of Ascaris suum and Ascaridia galli eggs in liquidmanure at different ammonia concentrations andtemperatures. Veterinary Parasitology, 204, pp. 249-257.

Katakam, Kiran Kumar; Thamsborg, Stig Milan; Dalsgaard, Anders and Mejer, Helena (2014) Transmission dynamics of Ascaris suum in Danish organic pig farms. Veterinary Parasitology. [Completed]

Roepstorff, Allan; Mejer, Helena; Nejsum, Peter and Thamsborg, Stig Milan (2011) Helminth parasites in pigs: New challenges in pig production and current research highlights. Veterinary Parasitology, 180, pp. 72-81.

Borgsteede, Fred H.M.; Gaasenbeek, Cor P.A.; van Krimpen, M.M.; Maurer, Veronika; Mejer, Helena; Spoolder, H. A. M.; Thamsborg, S.M. and Vermeer, Herman M. (2011) Studies on preventive strategies and alternative treatments against roundworm in organic pig production systems. NJAS - Wageningen Journal of Life Sciences, 58, pp. 173-176.

Jensen, Annette Nygaard; Mejer, Helena; Mølbak, Lars; Langkjær, Maria; Jensen, Tim Kaare; Angen, Øystein; Martinussen, Torben; Klitgaard, Kirstine; Baggesen, Dorte Lau; Thamsborg, Stig Milan and Roepstorff, Allan (2010) The effect of a diet with fructan-rich chicory roots on intestinal helminths and microbiota with special focus on Bifidobacteria and Campylobacter in piglets around weaning. Animal.

Mejer, Helena and Roepstorff, Allan (2006) Ascaris suum infections in pigs born and raised on contaminated paddocks. Parasitology, 133, pp. 305-312.

Mejer, Helena and Roepstorff, Allan (2006) Oesophagostomum dentatum and Trichuris suis infections in pigs born and raised on contaminated paddocks. Parasitology, 133, pp. 295-304.

Roepstorff, Allan; Mejer, Helena; Thomsen, Lisbeth E.; Thamsborg, Stig M.; Byrne, Derek V.; Hansen, Laurits L.; Bach Knudsen, Knud Erik and Møller, Kristian (2005) Chicory roots improves the taste and odour of organic pork. DARCOFenews (3).

Roepstorff, Allan; Mejer, Helena; Thomsen, Lisbeth E.; Thamsborg, Stig M.; Byrne, Derek V.; Hansen, Laurits L.; Bach Knudsen, Knud Erik and Møller, Kristian (2005) Cikorierødder forbedrer smag og lugt i økologisk svinekød. [Chicory root improves the taste and odour of organic pork.] FØJOenyt, 3.

Mejer, Helena and Roepstorff, Allan (2003) Ikke-medicinsk kontrol af indvoldsorm i grise. [Non-medical control of parasitic worms in pigs.] FØJOenyt.

Mejer, Helena and Roepstroff, Allan (2003) Non-midical control of parasitic worms in pigs. DARCOFenews.

Newspaper or magazine article

Mejer, Helena (2015) NOCAST - cikorie i foderet er godt for grisen. ICROFS nyt, July 2015.

Rasmussen, Ole.W; Serup, Tove and Mejer, Helena (2014) Varme virker mod spolorm. Magasinet Svin, May 2014, pp. 44-45.

Mejer, Helena (2014) Kontrol af spolorm i økologiske svinebesætninger. Økologi og Erhverv, 2014. [Completed]

Bonde, Marianne; Kongsted, Anne Grete; Mejer, Helena; Rousing, Tine and Serup, Tove (2013) Fremtidens udfordringer i svineproduktionen. Økologisk Nyhedsbrev, December 2013, 10, pp. 12-13.

Mejer, Helena (2013) Spolormens æg - en udfordring i økologiske svinebesætninger. ICROFS nyt, February 2013, pp. 4-5.

Mejer, Helena (2013) Spolorm tilpasser sig økologiske bedrifter. Landbrugsavisen, January 2013, p. 12.

Mejer, Helena (2012) Spolorm er en hård nød at knække. Svin, December 2012, 12, pp. 12-13.

Mejer, Helena (2012) Spolorm i økologiske svinebesætninger. Økologi og Erhverv, December 2012 (513), p. 1.

Mejer, Helena (2004) Pløjning virker mod nogle indvoldsorm. [Ploughing is effective against some intestinal parasites.] Økologisk Jordbrug, June 2004 (315), p. 7.

Conference paper, poster, etc.

Wibe, Atle; Blomstrand, Berit Marie; Bochicchio, Davide; Deiana, Lisa; Ruud, Tommy; Helliwell, Richard; Koesling, Matthias; Kongsted, Anne Grete; Štukelj, Marina; Spînu, Marina; Vasiu, Aurel; Williams, Andre Richard; Pedersen, Amalie Camila; Mejer, Helena and Thamsborg, Stig Milan (2025) Robust animals in sustainable, mixed, free-range systems ROAM-FREE. Poster at: TP Organic Science Day 2025, Nürnberg Convention Center, BIOFACH 2025, 13. February 2025. [Submitted]

Bochicchio, Davide; Deiana, Lisa; Wibe, Atle; Blomstrand, Berit; Ruud, Tommy; Helliwell, Richard; Koesling, Matthias; Kongstred, Anne Grete; Stukelj, Marina; Spinu, Marina; Vasiu, A; Williams, Andrew; Pedersen, Amelie C; Mejer, Helena and Thamsborg, Stig Milan (2024) Organic pig production in mixed free-range systems: the ROAM-FREE project. In: Book of Abstracts of the 75th Annual Meeting of the European Federation of Animal Science. 1-5 Sepetmber, 2024. Florence, Italy (34), p. 243.

Pedersen, Amalie; Jørgensen, Isabella; Williams, Andrew R.; Sengupta, Mita Eva; Mejer, Helena and Thamsborg, Stig Milan (2023) Parasite infections in organic free-ranging pigs in Danish agroforestry systems. Speech at: World Association for the Advancement of Veterinary Parasitology (WAAVP), Chennai, India, 21.08.2023. [Submitted]

Thamsborg, Stig Milan; Katakam, Kiran Kumar; Pedersen, Heidi Huus and Mejer, Helena (2014) Overlevelse af sundhedsskadelige mikroorganismer (bakterier/vira) eller parasitter ved slangeudlægning og nedfældning af gylle? Workshop at: Temadag: Optimal udbringning og udnyttelse af gylle, Århus Universitet, Foulum.

Gautam, Susmita; Petkeviciute, Egle; Takeuchi-Storm, Nao; Thapa, Sundar and Mejer, Helena (2014) Effect of disinfectants on viability of Ascaris suum and Ascaridia galli eggs. Poster at: Spring Symposium of the Danish Society for Parasitlogy, Frederiksberg Campus, Bülowsvej 17, 1870 Frederiksberg C, 28th March 2014. [Completed]

Thapa, Sundar; Meyling, Nicolai V.; Katakam, Kiran Kumar; Thamsborg, Stig Milan and Mejer, Helena (2013) Evaluation of soil microfungi as biological control agents against eggs of animal parasitic nematodes. Poster at: Society for Invertebrate Pathology, 46th annual meeting, Pittsburgh, USA. [Completed]

Mejer, Helena; Katakam, Kiran Kumar; Gautam, Susmita; Dalsgaard, Anders and Thamsborg, Stig Milan (2013) Transmission and control of the parasite Ascaris suum (large round worm) in Danish organic farms. Lecture at: European Federation of Animal Science, Copenhagen 2014. [Completed]

Mejer, Helena (2013) Parasitter - hvordan bekæmper vi dem? Workshop at: Temadag om økologisk svineproduktion , Hovborg Kro, Holmeåvej 2, 6682 Hovborg, Denmark , June 12th and 13th 2013. [Unpublished]

Mejer, Helena (2013) Parasite impact, transmissions and control. Workshop at: Scientific Workshop on Organic Pig Production , Hovborg Kro, Holmeåvej 2, 6682 Hovborg, Denmark , June 12th and 13th 2013. [Unpublished]

Sundar, Thapa; Meyling, Nicolai V.; Katakam, Kiran Kumar; Thamsborg, Stig Milan and Mejer, Helena (2013) Evaluation of soil microfungi as biological control agents against ascarid eggs. Poster at: Spring Symposium of the the Danish Society for Parasitology. [Completed]

Petersen, Heidi Huus; Mejer, Helena; Jianmin, Wang; Katakam, Kiran Kumar; Thamsborg, Stig Milan; Dalsgaard, Anders; Olsen, Annette and Enemark, Heidi L. (2013) PREVALENCE OF THE PROTOZOAN PARASITE CRYPTOSPORIDIUM IN THREE ORGANIC PIG FARMS IN DENMARK. In: Spring Symposium of the Danish Society for Parasaitology. [Completed]

Roepstorff, Allan; Mejer, Helena; Nejsum, Peter and Thamsborg, Stig Milan (2011) Helminth parasites in pigs: challenges and current research highlights. In: Proceedings of the 23rd International Conference of the World Association for the Advancement of Veterinary Parasitology, p. 107.

Mejer, Helena and Roepstorff, Allan (2011) Long-term survival of Ascaris suum and Trichuris suis eggs in relation to pasture management. In: Proceedings of the 23rd International Conference of the World Association for the Advancement of Veterinary Parasitology, p. 113.

Mejer, Helena; Andersen, Stefan and Roesptorff, Allan (2011) Survival and development of Ascaris suum and Trichuris suis eggs in deep-litter on an organic pig farm. In: Proceedings of the 23rd International Conference of the World Association for the Advancement of Veterinary Parasitology, p. 109.

Mejer, Helena; Leeb, Christine; Heinonen, Mari; Cartaud, Gerald; Prunier, Armelle; Sundrum, Albert; Bochicchio, Davide; Lindgren, Kristina; Wiberg, Sofia; Früh, Barbara; Bonde, Marianne and Roepstorff, Allan (2009) Intercalibration of a concentration McMaster Technique between eight European laboratories. Lecture at: The 22nd International Conference of the World Association for the Advancement of Veterinary Parasitology, Calgary Canada, 10-13 August 2009. [Submitted]

Spoolder, Hans; Biavati, Bruno; Borgsteede, Fred; Davies, David; Klocke, Peter; Maurer, Veronika; Nagel, Philip; Nicholas, Phillipa; van Krimpen, Marinus; Mejer, Helena; Modesto, Monica; Strozzi, Gian Paolo; Thamsborg, Stig Milan; Vermeer, Herman; Wagenaar, Jan-Paul; Zollitsch, Werner and Sundrum, Albert (2008) Performance of organic and low input livestock systems: a matter of sound design? Paper at: 4th QLIF Congress in the Frame of the 16th IFOAM Organic World Congress and the 2nd ISOFAR Conference, Modena, Italy, June 19-20, 2008. [Unpublished]

Thamsborg, Stig; Mejer, Helena and Roepstorff, Allan (2001) Sainfoin reduces the establishment of nematode infections in grazing lambs. Speech at: The 18th International Conference of the World Association for the Advancement og Veterinary Parasitology: Promoting Advancement, Preserving Tradition, Stresa, Italy, 26.-30. August 2001.

Report

Mejer, Helena; Geng, Pan; Štukelj, Marina; Bochicchio, Davide; Blomstrand, Berit Marie; Williams, Andrew R.; Pedersen, Amalie Camila and Thamsborg, Stig Milan (2025) In vitro evaluation of anti-parasitic effects of selected plant extracts against third stage of Ascaris suum larvae. .

Früh, Barbara; Bochicchio, David; Edwards, Sandra; Hegelund, Lene; Leeb, Christine; Heinonen, Mari; Maupertuis, F.; Sundrum, Albert; Werne, Steffen; Wiberg, Sophia; Mejer, Helena; Prunier, Armelle; Roepstorff, Allan; Lubac, Stanislas; Bonde, Marianne; Rousing, Tine; Sundrum, Albert and Lindgren, Kristina (editor): Edwards, Sandra (Ed.) (2011) Knowledge synthesis: Animal health and welfare in organic pig production - Final Report COREPIG. .

Lund-Nielsen, Tina; Mejer, Helena; Gunnarsson, Carina; Hansen, Preben Klarskov and Grigalaviciene, Ilona (2003) How is ideologies related to actions? Royal Veterinary and Agricultural University , Unit for Learning and Interdisciplinary Methods.

Report chapter

Thamsborg, Stig Milan and Mejer, Helena (2015) PAROL - Parasitter hos øko-svin. In: Skovsbøl, Ulla (Ed.) Ny viden om økologi - Resultater fra forskningsprogrammerne Organic RDD og CORE Organic, 2011-2015. ICROFS, Tjele, Denmark, pp. 42-45.

Mejer, Helena and Roepstorff, Allan (2004) Alternativ kontrol af indvoldsorm hos svin. In: Sørensen, Jan Tind (Ed.) Produktionsstyring med fokus på husdyrsundhed og fødevaresikkerhed i økologiske svinebesætninger: Rapport fra workshop afholdt på Hotel Bygholm Park 23. april 2003. FØJO Intern rapport, no. 54. Forskningscenter for Økologisk Jordbrug , chapter 3, pp. 19-26.

Book

Früh, Barbara; Leeb, Christine; Bochicchio, Davide; Dippel, Sabine; Edwards, Sandra; Gunnarsson, Stefan; Lindgren, Kristina; Mejer, Helena and Prunier, Armelle (2011) Bioschweinehaltung in Europa - Tierhaltungssysteme und Gesundheitsmanagement. [Organic Pig Production in Europe - Health Management in Common Organic Pig Farming.] FiBL-Merkblatt. Forschungsinstitut für biologischen Landbau (FiBL) und Universität für Bodenkultur (BOKU), CH-Frick und A-Wien.

Früh, Barbara; Gunnarsson, Stefan; Bochicchio, Davide; Dippel, Sabine; Edwards, Sandra; Leeb, Christine; Lindgren, Kristina; Mejer, Helena and Prunier, Armelle (2011) Ekologisk Grisproduktion i Europa - Guide för förbättrad djurhälsa i ekologisk grisproduktion. [Organic Pig Production in Europe - Health Management in Common Organic Pig Farming.] FiBL-Teknisk Guide. Research Institute of Organic Agriculture (FiBL), CH-Frick.

Früh, Barbara; Bochicchio, Davide; Dippel, Sabine; Edwards, Sandra; Gunnarsson, Stefan; Leeb, Christine; Lindgren, Kristina; Mejer, Helena and Prunier, Armelle (2011) Organic Pig Production in Europe - Health Management in Common Organic Pig Farming. FiBL-Technical Guide. Research Institute of Organic Agriculture (FiBL), CH-Frick.

Book chapter

Thamsborg, Stig M.; Williams, Andrew R.; Mejer, Helena; Ravinet, Nadine; Peña-Espinoza, Miguel and Skuce, Philip J. (2025) Improving the management of parasites in organic dairy farming. In: Vaarst, Mette; Roderick, Stephen and Whistance, Lindsay (Eds.) Advances in organic dairy cattle farming. Burleigh Dodds Science Publishing, Cambridge, UK, pp. 193-228.

Hoste, Hervé; Sotiraki, Smaragda; Mejer, Helena; Heckendorn, Felix; Maurer, Veronika and Thamsborg, Stig (2014) Alternatives to Synthetic Chemical Antiparasitic Drugs in Organic Livestock Farming in Europe. In: Bellon, S. and Penvern, S. (Eds.) Organic Farming, Prototype for Sustainable Agricultures. Springer Science+Business Media, Dordrecht, chapter 8, pp. 149-169.

Practice tool

{Tool} Organic pig production in Europe: health management in common organic pig farming. Creator(s): Früh, Barbara; Bochicchio, Davide; Dippel, Sabine; Edwards, Sandra; Gunnarsson, Stefan; Leeb, Christine; Lindgren, Kristina and Mejer, Helena. Issuing Organisation(s): FiBL - Research Institute of Organic Agriculture. (2011)

Other

Mejer, Helena; Štukelj, Marina; Bochicchio, Davide; Spînu, Marina; Pedersen, Amalie; Thamsborg, Stig Milan and Blomstrand, Berit Marie (2025) CONTROL OF PARASITIC WORMS IN ORGANIC PIGS. .

Mejer, Helena; Geng, Pan; Štukelj, Marina; Bochicchio, Davide; Blomstrand, Berit Marie; Williams, Andrew R.; Pedersen, Amalie and Thamsborg, Stig Milan (2025) Inventory of plant material with potential antiparasitic effects. University of Copenhagen . [Completed]

Mejer, Helena; Katakam, Kiran Kumar; Gautam, Susmita; Thamsborg, Stig Milan; Christiansen, Lise-Lotte and Serup, Tove (2014) Spolorm – forekomst og kontrol. , Undervisning på Det Økologiske Akademi. [Completed]

Mejer, Helena; Serup, Tove; Katakam, Kiran Kumar; Gautam, Susmita and Thamsborg, Stig Milan (2014) KONTROL AF SPOLORM I ØKOLOGISKE SVIN. Resultater fra PAROL projektet: Parasitter i økologiske produktionsdyr: innovative løsninger til nye udfordringer. Københavns Universitet , Det Sundhedsvidenskabelige Fakultet. [Completed]

Mejer, Helena; Katakam, KIran Kumar; Serup, T. and Thamsborg, Stig Milan (2013) ØKOLOGISKE GRISE HAR MANGE SPOLORM. .

Thapa, Sundar; Meyling, Nicolai V.; Thamsborg, Stig Milan and Mejer, Helena (2013) NEW ORGANIC APPROACH TO PARASITES: Biological control of parasitic roundworms in organic laying hens using microfungi. .

Thapa, Sundar; Meyling, Nicolai V.; Thamsborg, Stig Milan and Mejer, Helena (2013) NYT ØKOLOGISK TILTAG OVERFOR PARASITTER: Mikrosvampe kan bruges til biologisk kontrol af parasittiske spolorm i økologiske æglæggere. .

Mejer, Helena; Roepstorff, Allan and Thamsborg, Stig Milan (2011) Parasitter i udegående grise. . [Completed]

This list was generated on Sat Aug 16 12:39:36 2025 CEST.