Subject description for 2021/2022

Aquatic Animal Health (AK310F)

Aquatic Animal Health


Course description

The course covers the following main topics: Fish immunology responses and pathogen handling by the host. Fish welfare and stress response in farmed fish. Overview of major bacterial, viral and parasitic diseases of salmonide fish. Disease treatment and control vaccines, prophylaxis and therapy. Tools for pathogen detection and diagnostics.


No costs except semester registration fee and course literature.

Learning outcomes

The student should have:


  • Knowledge of defence mechanisms in fish including host-pathogen interactions.
  • Knowledge of fish welfare, stress responses and how this affect the health.
  • A general understanding of the major infectious diseases of farmed aquatic animals, particularly those affecting salmonide fish.
  • Learned ways of detecting, controlling and treating diseases.

Skills The student should:

  • Learned the functions of the different components of the immune system.
  • Understand the stress response and how this influences the health and welfare of fish.
  • Gained skills in distinguishing different classes of pathogens and assessing both physiological and pathological changes associated with diseases
  • Acquired basic knowledge of the importance of controlling diseases to ensure sustainable aquaculture.

General Competence

  • The course is a vital component of the Master's programme in Aquaculture. The competence acquired will be useful in different sides of the profession ¿ both as a scientist and as an aquaculturist.
  • The course helps students to adopt new measures to prevent diseases and maintain the health of farmed fish.

Course type

Elective for MSc in Aquaculture

Mode of delivery

Lectures and seminars.

Teaching activities and methods

Lectures and laboratory work.

Recommended prior knowledge

AK205F Fish Health and BI217F Microbiology or related subjects.

Course evaluation

Mid-term oral evaluation with written report, and electronic evaluation at the end of the semester.

Exam description

Compound evaluation.

Assignment, comprises 30/100 of the grade, grading scale A-F.

Home exam, Open Book, comprises 30/100 of the grade, grading scale A-F, 

Written examination, 4 hours, comprises 40/100 of the grade, grading scale A-F.


The original exam has been changed due to Covid-19 to compound assessment: written assignment 40/100 (as orginally), take-home examination (40/100) and oral exam 20/100. Letter Marks.

Assessment and examinations

Compound evaluation, grading scale A-E for pass, F for fail
  • Assignment, comprises 40/100 of the grade, grading scale A-E for pass, F for fail.
  • Take- home examination, individual, 1 weeks, comprises 20/100 of the grade, grading scale A-E for pass, F for fail.
  • Written examination, 3 hours, comprises 40/100 of the grade, grading scale A-E for pass, F for fail.

Overlapping courses

AK310F-001v1 Aquatic Animal Health - paper - 3 study points.
AK310F-002v1 Aquatic Animal Health - written examination - 7 study points.
AK310F-001v1 Aquatic Animal Health - paper - 10 study points.

Course literature

Obligatory litterature:

  • Fish Pathology (2012. Fourth edition, Ronald J Roberts, Wiley-Blackwell ISBN-13: 978-1444332827)
  • Fish Vaccination (2015. Edited by Roar Gudding et. al., Wiley Blackwell ISBN-13: 978-0470674550; ISBN-10: 0470674555)


Extra reading material:

Fish Diseases: Prevention and Control Strategies (2017. Edited by Galina Jeney, Academic Press ISBN: 978-D-12-804564-0).

Course coordinator
Start semester Spring 2022
ECTS Credits 10 Course location Bodø Faculty
Faculty of Biosciences and Aquaculture