World Grain - December 2020 - 58

FEED QUARTERLY: PROTECTING FEED FROM INFECTIOUS PATHOGENS

INGREDIENT SOURCING
Ingredient sourcing is a key step to
prevent biological hazards from entering the feed manufacturing facility via
ingredients. Areas experiencing disease
outbreaks have a greater potential for
being high-risk for carrying pathogens
through ingredients. Because of this,
VXSSOLHU LGHQWL¿FDWLRQ LV LPSRUWDQW WR
maintain transparency across the feed
supply chain.
To accurately identify ingredient risk,

knowledge of the ingredient supply
chain should extend from the point of
ingredient manufacture through transportation to the feed mill, including any
intermediaries or blending locations. It
is also important to identify biosecurity practices that may be implemented
throughout this supply chain.
Some of these practices include heat
treating the ingredients or feed or holding the ingredient outside of the mill
long enough that the virus or bacteria
becomes inactive. Regardless of where
an ingredient is being sourced from,
each step of the shipping and transportation process from manufacturing to the
feed mill should be tracked.
,GHQWL¿HGELRORJLFDOKD]DUGVZLOOGHpend on the species in which feed is being manufactured. However, the entire
feed mill needs to be considered as opSRVHG WR VSHFLHVVSHFL¿F GLHWV7R SUHvent mill contamination via ingredients,
quality, feed safety, and procurement areas of the mill all need to work together
on ingredient sourcing.

goal of a feed mill should be to prevent
contaminated material from entering the
receiving pit. Ensuring the underside of
the truck is clean before entering the receiving bay helps reduce the chance of
debris entering the pit.
Instituting a tire and undercarriage
wash prior to trucks entering the mill
will help to minimize the chance of contaminants being brought into the receiving bay. In addition, using pit covers
while trucks are entering and leaving the
receiving bay help to prevent any debris
from falling into the pit and contaminating ingredients.
Sweeping spilled ingredients into the
pit is another thing to be avoided. Due
to the nature of trucks entering and leaving, the ground in the receiving area
cannot be considered " clean " or safe for
biosecurity and sweeping spilled ingredients into the pit is a risk of introducing
disease into the mill.

DRIVERS AND DELIVERY
In addition to the vehicles themselves,
truck drivers pose another entry point
RECEIVING PRACTICES
of contamination. Drivers delivering
In addition to ingredients, the move- LQJUHGLHQWVRUSLFNLQJXS¿QLVKHGIHHG
ment of trucks and people through re- should not enter the mill beyond the
FHLYLQJ SRVHV D VLJQL¿FDQW ELRVHFXULW\ receiving bay to prevent tracking porisk. In terms of biosecurity, the main tential contaminants to other areas.
Implementing a degree of separation
between feed delivery drivers and employees in the mill also prevents contamination from trucks that have been
on farms from entering the rest of the
mill.
Having drivers receive paperwork
through a window or from the other
VLGH RI D GRRU DW WKH R൶FH FDQ FUHDWH
this separation. Also, having drivers
observe potential biosecurity risks at
the farms they deliver to can help determine better delivery route options.
Farms where exhaust fans are directed toward the feed bins or where
the carcass disposal is near the driveway may need to receive feed later in
Receiving practices and delivery procedures are
among the areas that feed mill employees must
focus on to create a safe feed culture.

58

December 2020 / World Grain / www.World-Grain.com

Arvin Donley

Although these mitigation steps can be
included in one's feed mill biosecurity
plan, managing a facility to focus on
preventing the entry of a pathogen into
the feed system is key to reducing risk
of disease spread.
To do so, feed mill managers should
focus on ingredient sourcing, receiving
SUDFWLFHV GHOLYHU\ SURFHGXUHV ¿QLVKHG
IHHGVHSDUDWLRQKXPDQWUD൶FHPSOR\ee training, and creating a culture around
producing safe feed. To obtain more detail than what is provided in this article,
please refer to provided resources, such
as AFIA's Developing Biosecurity Practices for Feed & Ingredient Manufacturing, which are available to provide recommendations for feed manufacturing
biosecurity practices


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World Grain - December 2020

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