Lecture 2

Question 1

4 approaches to disease control

Answer 1

eradication
prevention and exclusion
immunization
management

Question 2

3 levels of eradication

Answer 2

global level
national or regional scale
farm level

Question 3

Characteristics of an eradicable disease are?

Answer 3

no carrier state
no subclinical infection/short incubation period
limited to one species or family
available intervention(good quality vaccine or test)

Question 4

Methods of farm level disease eradication

Answer 4

depopulation and selective removal

Question 5

2 types of accurate testing

Answer 5

sensitivity and specificity

Question 6

sensitivity measures?

Answer 6

the ability of a test to identify truly diseased/infected animals

Question 7

specificity measures?

Answer 7

the ability of a test to identify truly non-diseased animals

Question 8

If sensitivity is high?

Answer 8

few false negatives

Question 9

If specificity is high?

Answer 9

few false positives

Question 10

Positive predictive value

Answer 10

the probability an animal that tested positive is truly diseased

Question 11

Negative predictive value

Answer 11

the probability an animal that tested negative is truly healthy

Question 12

Screening tests

Answer 12

applied to healthy animals, usually before clinical disease evident

Question 13

diagnostic test

Answer 13

confirm or classify disease and are usually applied to abnormal or unhealthy animals

Question 14

Disease management

Answer 14

all measures used to decrease the frequency of disease already present in a population of animals by decreasing or eliminating causes of the disease to a level of little or no consequence

Question 15

disease control methods include

Answer 15

quarantine
prophylactic treatment
mass immunization
environmental control

Question 16

Examples of prophylactic treatment for disease control

Answer 16

deworming before putting on pasture

coccidiostat in feed/water

Question 17

Mass immunization is?

Answer 17

when all animals at risk within a population are vaccinated with the goal being to decrease clinical disease incidence or severity

Question 18

environmental disease control methods include

Answer 18

ventilation
decrease pathogen load through cleanliness
stocking density
nutrition

Question 19

Health management is?

Answer 19

the promotion of health and prevention of disease in animals within the economic/business framework of the animal owner/industry

Question 20

HM recognizes issues of?

Answer 20

animal welfare, human safety and environmental impact

Question 21

The health management cycle

Answer 21

set goals
monitor and assess current status
make decisions, develop plans, take actions
effects of other factors 
performance outcomes
repeat

Question 22

principles of health management

Answer 22

promote optimal health
accommodate business/economic realities
promote animal welfare
promote human and food safety
consider potential environmental impact

Question 23

The focus of promoting optimal health is

Answer 23

advising people on animal management for groups whether herds or flock and can be at a local, regional or national level

Question 24

SMART goals

Answer 24

specific
measurable
achievable
results oriented
time framed

Question 25

achievable aspect of goal setting

Answer 25

within the contraints of people, animals and their environment