Egg Industry - July 2019 - 8

8 ❙ EggIndustry
POULTRY FARM BIOSECURITY PLANS

Courtesy University of Montreal

tivated, it is important to look at
their strengths and weaknesses.
All viruses, for example, are stable
in neutral pH conditions, which
includes in fecal matter, so cleaning
must take place prior to disinfection.
Some viruses, however, are more
stable than others, and this will have
implications for dilution.
Choosing the correct disinfectant is highly important, and must
reflect which pathogens need to be
inactivated.
Broad spectrum disinfectants are
not the answer. Selection needs to be
made based on which bacteria, fungi
and viruses need to be inactivated
and under which circumstances.
Season and temperature, for example, can have a big impact. Also
consider which surfaces need to be
disinfected.

Biosecurity culture
While the various elements
and steps needed for good biosecurity may be established, they
may not always be followed. How
to ensure compliance and the
implementation of a biosecurity
culture was examined by Manon
Racicot, veterinary epidemiologist, adjunct professor at the
University of Montreal, who
drew on various studies looking
at compliance and how it can be
influenced.
To illustrate how poor compliance can be, she drew on studies
carried out on 24 poultry farms
in Quebec, in which eight farms
were selected as a control to
evaluate and describe the application of biosecurity measures when
entering and exiting barns.

ance of only 35%, although results
varied widely depending on activity. Compliance with use of coveralls, for example, was found to
be 71%, whereas for use of the log
book it fell to 33%.
When examining the video
surveillance of the 24 farms
where cameras were used to see
how employees used the areas immediately inside barn entrances,
parameters were found to be
significantly associated with
compliance. Entrance designs
were classified as being easy to
follow, intermediate and difficult.
Unsurprisingly, workers were 13
times more likely to respect areas
when entrance designs made desired behavior easier.
Additionally, two types of area
delimitation between clean and

ACCORDING TO MANON RACICOT, building a
biosecurity culture is a value, not a priority.
Priorities can change, while values should not.

If continuous biosecurity is
practiced, which is in the presence of birds, then a product that
neither endangers birds nor workers - but that still kills pathogens - must be selected and, not
lastly, stocks and logistics need to
be considered.
All of the above must be considered if the right disinfection choice
is to be made.

To achieve this, a camera was
hidden in barn entrances for two
14-day periods, with filming taking
place 24 hours a day, recording how
well different areas were respected
when changing boots, using the
footbath, putting on coveralls, hand
washing and using the log book
The results, from more than
800 visits made by 102 individuals, revealed an overall compli-

dirty areas were compared - a
simple red line on the floor and a
physical barrier, such as a bench.
The physical barrier resulted in
5-9 times more chances of respecting the change in area classification, suggesting that employees
tend to have issues with understanding and respecting delimited
areas, which was reflected in the
lowest compliance level of 15%.
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Egg Industry - July 2019

Table of Contents for the Digital Edition of Egg Industry - July 2019

Egg Industry - July 2019
How to properly implement poultry farm biosecurity plans
What the US poultry industry needs to know about ASF
Change your words, change consumer perception
Learn about FFAR poultry projects at the Poultry Tech Summit
Egg Industry - July 2019 - CT1
Egg Industry - July 2019 - CT2
Egg Industry - July 2019 - Egg Industry - July 2019
Egg Industry - July 2019 - Cover2
Egg Industry - July 2019 - CT3
Egg Industry - July 2019 - CT4
Egg Industry - July 2019 - 3
Egg Industry - July 2019 - 4
Egg Industry - July 2019 - 5
Egg Industry - July 2019 - How to properly implement poultry farm biosecurity plans
Egg Industry - July 2019 - 7
Egg Industry - July 2019 - 8
Egg Industry - July 2019 - 9
Egg Industry - July 2019 - 10
Egg Industry - July 2019 - What the US poultry industry needs to know about ASF
Egg Industry - July 2019 - 12
Egg Industry - July 2019 - 13
Egg Industry - July 2019 - 14
Egg Industry - July 2019 - Change your words, change consumer perception
Egg Industry - July 2019 - Learn about FFAR poultry projects at the Poultry Tech Summit
Egg Industry - July 2019 - 17
Egg Industry - July 2019 - 18
Egg Industry - July 2019 - Cover3
Egg Industry - July 2019 - Cover4
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