Lecture 5

Question 1

susceptibility (disposition) definition

Answer 1

ability or affinity of acquiring of some pathogen microogrnaism and to allow/enable to this pathogen to maintain itself within the host

Question 2

what is the opposite term for susceptibility

Answer 2

resistance

Question 3

what is immunity

Answer 3

specific resistance of microorganisms to a specific microorganism

based on existence of specific antibodies or sensitised T lymphocytes

Question 4

what are the types of immunity

Answer 4

active immunity
- natural = antibodies developed in response to an infection
- artificial = antibodies developed in response to a vaccination

passive immunity
- natural = antibodies received from mother through the breast milk
- artificial = antibodies received from a medicine (gamma globulin)

Question 5

what are the 2 defence mechanisms against infection?

Answer 5

resistance (non specific defence)
immunity (specific defence)

Question 6

factors of general disposition

Answer 6

related to the species
related to the breed
related to the age (colibacilosis, aujeszky)
gender related resistance

Question 7

factors of individual disposition

Answer 7

constitution
keeping of animals
nutrition
exploitation
comobridity
tissue damage
transport
stress
number of susceptible animals
immunity
environment