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Bacteriology, mycology, virology II

Course developers

Prior knowledge

VeteB009, Physiology I

VeteB011, Bacteriology, mycology, virology I

Course abstract

During this study course, students learn about different pathogenic bacteria that cause disease in different animal species, their natural habitats, pathogenesis of caused diseases and clinical signs. Students learn the possible identification methods in a laboratory.

Learning outcomes and their assessment

Knowledge of morphology, natural habitat, biochemical properties, growth characteristics and bacterial diagnostic methods of different pathogenic bacteria. Knowledge of disease pathogenesis in susceptible hosts and the clinical signs of bacterial infections.
Skills to perform (without assistance) laboratory methods for the identification of pathogenic bacteria and their susceptibility to antimicrobials.
Competence to evaluate the obtained test results and be able to explain them.
Acquired knowledge is assessed with 5 theoretical tests.

Course Content(Calendar)

1st module:
• Lectures:
o Introduction. Staphylococcus – 2 h
o Streptococcus, Enterococcus – 2 h
• Practical works – 4 h
• 1st theoretical test – 1 h

2nd module:
• Lectures:
o Erysipelothrix, Listeria – 2 h
o Trueperella, Rhodococcus, Corynebacterium – 2 h
o Bacillus, Clostridium – 2 h
• Practical works – 3 h
• 2nd theoretical test– 1 h

3rd module:
• Lectures:
o Escherichia – 2 h
o Salmonella, Klebsiella – 2 h
o Yersinia, Campylobacter, Helicobacter – 2 h
• Practical works – 7 h
• 3rd theoretical test – 1 h

4th module:
• Lectures:
o Actinobacillus, Pasteurella, Mannheimia – 2 h
o Pseudomonas, Burkholderia, Brucella, Bordetella – 3 h
• Practical works – 4 h
• 4th theoretical test – 1 h

5th module:
• Lectures:
o Mycobacterium – 2 h
o Leptospira, Brachyspira – 2 h
o Mycoplasma, intracellulārās baktērijas – 3 h
• Practical works – 4 h
• 5th theoretical test – 1 h

• CCRA – 9 h

Requirements for awarding credit points

Lecture attendance is not mandatory.
Practical work attendance is mandatory. Each student is allowed to miss 3 practical works in a semester (including two excused absences). Missing more than 3 practical works constitutes retaking the whole study course.
Students are required to carry out any missed practical works in two weeks time. Failure to meet the two week deadline constitutes an additional theoretical assignment on the specific topic.
Students are required to pass five theoretical tests. Failed theoretical tests are required to be retaken until the next test. The student is not allowed to partake in the final exam, if the student fails to pass all theoretical tests of the study course at least one week before the final exam.
Each theoretical test can be taken three times – two times in a written form, and the third time with a committee. Not passing a theoretical test with the third time constitutes retaking the whole study course.
Failure to pass all theoretical tests of the study course within the period of individual studies and examinations constitutes retaking of the whole course.
Students are required to do Clinical Case Report Analysis (CCRA) in bacteriology.
Final test – exam with a grade.

Description of the organization and tasks of students’ independent work

Studies of literature, lecture and practical work materials, analysis of practical work results.
During CCRA students (without assistance) fill sample submission form and compose a precise and detailed laboratory examination plan for the supposedly sent sample. Students perform isolation and identification of potentially pathogenic bacteria from the sample. After results are obtained, students compose the CCRA according to the methodical guidelines.
The purpose of CCRA is to master the use of theoretical knowledge in practical cases demonstrating skills in organizing microbiological examination plan for isolation and identification of potentially pathogenic bacteria from clinical samples.

Criteria for Evaluating Learning Outcomes

Students' knowledge and skills are assessed in accordance with the procedures specified in the tasks of the practical works.
The study course tests, exam and CCRA are evaluated in accordance with the criteria of the 10-point system scale indicated in the LBTU Study Regulation.
Final test – exam with a grade. Exam can be taken if all theoretical tests have been passed at least one week before the exam.
Exam consists of two parts:
a) written test (100 questions), which is passed if at least 50% of the questions have been answered correctly (50% = the grade “4”). If the written test is passed, the student is allowed to partake the second part of the exam.
b) oral part – analysis of one clinical case. The student is required to analyze and name the possible causative agent, differential diagnoses and disease pathogenesis.
The final grade of the exam is the average grade of the written test, oral part and CCRA.

Failing any of these previously mentioned parts constitutes retaking the whole study course.

Compulsory reading

1. B. Markey, F. Leonard, M. Archambault, A. Cullinane, D. Maguire (2013) Clinical veterinary microbiology. 2nd ed. USA: Mosby-Elsevier. 915p.
2. Scott McVey D., Kennedy M., Chengappa M.M. (2022) Veterinary Microbiology. 4th ed. Hoboken, NJ: John Wiley & Sons, Inc. 879 p.
3. P.J. Quinn, B.K. Markey, F.C. Leonard et al (2016) Concise Review of Veterinary Microbiology. 2nd ed. Oxford, UK: John Wiley & Sons, Inc. 208 p.
4. . P.J. Quinn, B.K. Markey, F.C. Leonard, P.E.S. Fitz, S. Fanning, P.J. Hartigan (2011) Veterinary microbiology and microbial diseases Oxford: Wiley-Blackwell. 656 p.
5. J. F. Prescott, J. I. Macinnes, F. Van Immerseel et al (2023) Pathogenesis of Bacterial Infections in Animals. 5th ed. Hoboken, NJ: John Wiley & Sons, Inc. 817 p.

Further reading

C. L. Gyles, J.F. Prescott, J. G. Songer et al (2010) Pathogenesis of Bacterial Infections in Animals. 4th ed. Iowa, USA: Blackwell Publishing. 643 p.

Notes

Compulsory course in second cycle professional higher education study programme “Veterinary medicine” in the 4th semester