Search staff/organisations OLM Haenen
Name OLM Haenen

Job details
DescriptionHead of National Reference Laboratory (NRL) for Fish, Shellfish and Crustacean Diseases, Professor healthy and safe insect & fish culture at HAS University of Applied Sciences
OrganizationWageningen Bioveterinary Research
Organization UnitBacteriology and Epidemiology
Phone+31 320 238 352
Mobile+31 6 53738060
Secretarial phone
Phone 2+31 320 238 373
Fax+31 320 238 153
Note for telephonist
Note by telephonist
Visiting addressHoutribweg 39
Postal addressPostbus 65
Regular availability
Mo Tu We Th Fr


Dr. O.L.M. (Olga) Haenen, Head of  National Reference Laboratory (NRL) for Fish, Shellfish and Crustacean Diseases

Olga Haenen graduated in 1985 as biologist, with specialization Aquaculture from Wageningen University. Since 1985 she built up the National Reference Laboratory for Fish Diseases at Wageningen Bioveterinary Research, part of Wageningen UR at Lelystad, to which the tasks of NRL for Shellfish and Crustacean Diseases were added in 2000 and 2010, respectively.  In 1995 Olga Haenen defended her PhD at Wageningen University on Anguillicola crassus, an emerging nematode infection of European eel.Since 1st of  January 2018 Olga Haenen is also Professor INVIS: Insects and Fish, Healthy, sustainable and safe at HAS University of Applied Sciences at Den Bosch.

Since 1985 she is head of the NRLs. From 2006-2009 Olga Haenen was appointed member of the OIE Aquatic Animal Health Standards Commission at Paris. Since decades she is also member of various international advisory boards, like for the EC, EFSA, FAO, and of review commissions. Olga published over 70 peer reviewed papers, and over 125 papers in branch bulletins.

Olga Haenen is all-round expert in diagnosis of fish, shellfish and crustacean diseases, and was and is involved in research projects on eel and carp diseases, contact zoonotic infections, including vibriosis, and MALDI-TOF subtyping of fish pathogenic bacteria. Additionally, she is organizer of international workshops, network leader, and gives (inter)national courses on fish diseases for students, veterinarians, and aquaculture professionals. In 2014, Since January 2018 Olga also works on diseases of edible insects in cooperation with HAS UNiversity of Applied Sciences, in an international network.

The areas of expertise and interest of Olga Haenen are:

  1. Fish diseases and in particular eel and cyprinid diseases
  2. Notifiable shellfish and crustacean diseases
  3. Contact zoonotic bacteria from fish
  4. Diseases of edible insects
  5. Vibriosis of fish
  6. QA according to ISO 17025
  7. (Inter)national networking
  8. Giving courses and education on fish diseases, diseases of labpratpry fish, diseases of ornamental fish, diseases and pests of edible insects

Olga Haenen strongly believes in the added value of multidisciplinary and network approaches to answer to emerging fish and insect diseases. Valorisation of knowledge and connecting experts in projects is an important part of her work, to improve science on aquaculture and insect diseases, of value to professionals and scientists related to aquaculture, ornamental fishes, wild fish stocks, and insect culture.


Expert Profile
  • Head of National Reference Laboratory for Fish, Shellfish and Crustacean Diseases of CVI.
  • Specialized in eel and carp diseases, contact zoonotic bacteria from fish, Vibriosis, MALDI-TOF, a.o.
  • Since 2018 expert in health and disease of edible insects, especially on bacteria.
Social media
  Olga Haenen on Linkedin

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