LECTURE 2: Biosecurity

Question 1

Broiler houses normally house how many birds?

Answer 1

20,000-30,000 birds

Question 2

How is litter generally organized in a broiler house? (built-up litter)

Answer 2

Reused, heated up to kill off pathogens then spread out and top dressed

Question 3

How long is the growth period?

Answer 3

Anywhere from 5-8 weeks

Question 4

How many birds do turkey houses hold?

Answer 4

10,000-15,000 birds

Question 5

What litter are the turkey houses using?

Answer 5

New or built up

Question 6

What is the growth period for turkeys?

Answer 6

12-16 wk (hens)
18-22 wk (toms)

Question 7

What are the 3 different layer housing methods?

Answer 7

1. High rise
2. Enriched colony cages
3. Aviary

Question 8

What is the definition of biosecurity?

Answer 8

Practices and techniques used to prevent disease introduction into a flock/premise/farm/etc

Question 9

What is the definition of structural biosecurity?

Answer 9

Measures used in the physical construction and maintenance of the poultry premise that bolster biosecurity

Question 10

What is the definition of operational biosecurity?

Answer 10

Practices, procedures, policies,
that are consistently followed by personnel

Question 11

What is the line of separation?

Answer 11

functional line separates poultry house from the exterior

Question 12

What is the perimeter buffer area?

Answer 12

functional zone surrounding poultry raising areas that separates them from unrelated surrounding areas

Question 13

What are some important parts of structural biosecurity?

Answer 13

1. Farm traffic/equipment
2. Poultry house entry
3. Mortality disposal
4. Water sources
5. Farm layout
6. Fencing with signage

Question 14

Where are the most important places to implement biosecurity practices?

Answer 14

Areas adjacent to where birds are reared and raised

Question 15

What are the 5 things that make a good foot bath?

Answer 15

1. Regular maintenance
2. Placement of foot bath
3. Ease of use
4. Concurrent use of boot/cleaners/scrapers
5. Not using dirty shoes

Question 16

IBV can live how long?

Answer 16

12-56 days

Question 17

ILT can live how long?

Answer 17

10 days to months

Question 18

Renovirus can live how long?

Answer 18

minimum 10 weeks to months

Question 19

Why is it important to know how long pathogens can survive?

Answer 19

Pathogen survivability is highly variable depending on environmental conditions, BUT it’s often
much longer than you realize

Question 20

When washing vehicles what is the most important area to wash?

Answer 20

Undercarriage area

Question 21

What is the best place to park if you do have to go on site?

Answer 21

Far away from the poultry barn

Question 22

Why is regular cleaning of the interior of the work truck important?

Answer 22

You don’t know what you are bringing out the barns with you

Question 23

What are 3 examples of procedural biosecurity?

Answer 23

1. Order of Operations
2. No poultry contact (downtime)
3. Contract labor SOPs

Question 24

When you are checking out flocks in what order should you check them?

Answer 24

Youngest to oldest
sick flocks last

Question 25

How would you route feed trucks to and from an infected premise?

Answer 25

Prearrange route, clean truck, minimize travel on poultry dense roads

Question 26

Bringing your truck to a Dx lab is an increase biosecurity risk, why?

Answer 26

Dead poultry - carrying certain diseases or pathogens you can take that back to the farm with you. Should be your last stop of the day.

Question 27

Do gas stations or restaurants impose a biosecurity risk?

Answer 27

Yes, not everyone is practicing biosecurity as well as you and sometimes are tracking things with them in a common place

Question 28

Why is on-sight disposal preferred over off-sight disposal?

Answer 28

You don't need to worry about someone walking in or someone taking something out of the farm

Question 29

How should you set up off-sight pickup?

Answer 29

mortality container should be accessible without vehicle entering the farm

Question 30

On a tiered peace time system what do the following mean? Peacetime: Low impact transmissible disease: Moderately high impact disease: Foreign Animal Disease of high consequence: Why might this type of plan potentially lead to compliance issues?

Answer 30

Peacetime: Green Low impact transmissible disease: Yellow Moderately high impact disease: Orange Foreign Animal Disease of high consequence: Red More difficult you make something the less likely the staff member will want to do it.

Question 31

What are the two key things in implemented a biosecurity plan?

Answer 31

Communication and training

Question 32

Biosecurity plans are _____ to the company?

Answer 32

specific

Question 33

What is a risk assessment?

Answer 33

Evaluating the premise for signs of increased risk.