Veterinary Microbiology II

 

Topic wise Note : 

1. Enterobacteriacae : Click Here

2. Salmonella : Click Here 

3. Yersinia and shigella : Click Here

4. The genus Klebsiella : Click Here

5. Proteus and Klebsiella : Click Here

6. Pasteurellaceae Actinobacillus : Click Here

7. Pasteurellaceae-Haemophilus and Histophilus : Click Here

8. Acrobacter : Click Here

9. Actinomyces : Click Here 

10. Bacillus : Click Here

11. Borrelia burgdorferi : Click Here

12. Brachyspira : Click Here

13. Clostridium : Click Here 

14. Corynebacterium : Click Here

15. Erysipelothrix : Click Here

16. Pseudomonas Aeromonas : Click Here

17. Fracisella, Moraxella : Click Here

18. Introductory Mycology : Click Here

19. Reproduction in fungi : Click Here

20. Sexual reproduction in fungi : Click Here 

21. Candida : Click Here

22. Cryptococcus : Click Here

23. Aspergillus : Click Here

24. Dimorphic fungi : Click Here

25. Zygomycetes : Click Here

26. Rhinosporidium : Click Here

27. Sporotrichum : Click Here 

28. Penicillium : Click Here

29. Mycotic mastitis : Click Here

30. Mycotic abortion : Click Here

31. Mycoses and Mycotoxicosis : Click Here

Quiz Question :

What is fungus? Classify sexual and asexual method of reproduction with best example.Describe the isolation, identification, colonial morphology, microscopic appearance and diagnosis of Aspergillus spp.

What is mycotoxin? Describe the general character of major mycotoxin affecting livestock and poultry.

What is coliform? Describe the morphology, antigenic structure and virulence factor of E. coli.

Enlist the common enteric media and biochemical properties with reference to diagnosis of enteric bacteria.

ReQuiz Question :

Define dermatophytes and mention their general characteristics and natural habitat.

Name any two species of Microsporum affecting domestic animals and state the diseases they cause.

List the important species of Trichophyton and write one distinguishing feature of the genus.

Write a short note on the laboratory diagnosis of dermatophytosis (any two methods).

What are dimorphic fungi? Give two examples of dimorphic fungi pathogenic to animals.

Practical Questions :

Question 1

You are assigned to prepare the microbiology laboratory before starting bacterial isolation. a) Demonstrate proper hand hygiene and PPE use. b) Describe and demonstrate the procedure for sterilizing glassware using an autoclave. c) Differentiate between sterilization and disinfection with two veterinary examples each. d) What are the standard autoclaving conditions (temperature, pressure, time)?

Question 2

You are provided with the following media plates: Nutrient agar, MacConkey agar, Mannitol salt agar, and EMB agar. a) State the use of each medium. b) State whether each is selective, differential, or both. c) Explain the principle behind color change in MacConkey agar. d) Which media would you use for isolation of E. coli and why?

Question 3

You are given an unknown bacterial smear. a) Perform Gram staining. b) Report the Gram reaction, shape, and arrangement. c) List the reagents used in Gram staining in correct order. d) What is the role of iodine in Gram staining? e) Give two examples of Gram-positive and Gram-negative bacteria important in veterinary practice.

Question 4

You receive a milk sample suspected of mastitis. a) Describe the procedure for isolating Staphylococcus aureus. b) What selective medium is used and why? c) What colony characteristics are expected? d) Name and explain two confirmatory biochemical tests. e) What is the importance of S. aureus in veterinary medicine?

Question 5

A calf presents with diarrhea. Fecal samples are submitted to the laboratory. a) Outline the steps for isolation of E. coli. b) Describe colony characteristics of E. coli on EMB agar. c) How would you differentiate Salmonella from E. coli using biochemical tests? d) Which medium is selective for Salmonella? e) Why is proper identification important in veterinary public health?

Final Questions :