Typical levels of biosecurity are:
Udder Protection: The concern is the possible introduc
tion of mastitis organisms into the udder. The likely path is
the contact of teats with infected milk or items contami
nated by infected milk, such as a milking machine unit,
milker’s hands or contact of a clean udder with milk/bed
ding contaminated by an infected cow.
Spread of contagious mastitis from newly purchased cows
can be prevented even if the new cows are housed with other
cows as long as the udder-to-udder spread of organisms is
prevented.
Separation: Separation implies that the newly-purchased
cow is separate from the rest of the herd with no means for
physical contact with the herd.
The goal is to protect uninfected cows from:
• Direct contact with purchased animals
• Shared contact with feed or water or items that contain
feed and water
• Contact with secretions (manure, milk, repro tract dis
charges, etc.) from purchased cows.
Separation can be accomplished by keeping the pur
chased cow in a stall or pen that other cows don’t have
access to. Do not remove manure and waste feed through
the areas where the rest of the cows are housed. A stall at
one end of a tie-stall barn with at least one empty stall be
tween your resident cattle and the newly-purchased animal
may provide adequate separation.
Isolation: In addition to the requirements for separation,
isolation also requires that animals be in separate air spaces
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to prevent transmission of airborne diseases. This may be
separate rooms in the same bam as long as each room has
separate ventilation designed to direct air from purchased
cows away from resident cows, or separate buildings located
to prevent resident cows from breathing exhaust air from
the purchased cows. Distance and dilution are the primary
means of protecting clean cows from airborne diseases.
Requirements for Separation or Isolation Facility
The requirements for housing newly-purchased cattle are
the same as for the rest of the herd. Keep the cattle clean,
dry, and comfortable. Facilities should be organized to en
courage good care and regular observation. Expect to
handle cattle at least once a day for closeup examination,
taking temperature, and possible medication or vaccination.
The requirements of an isolation facility can be summa
rized:
• clean, dry, and comfortable
• excellent mechanical or natural ventilation
• allow for easy handling of feed and manure without
contaminating other animal areas
• continuously available frost proof water
• restraint and treatment
• lighting
• running water for veterinary needs
• parking and access for veterinary truck
• loading arrangements
• area for taking notes and storing records
• provisions for milking if lactating animals are to be held
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FEED BINS
Expert Installation
(Turn to Page 40)
HAMMER MILLS
for Grinding
High Moisture & Dry
Grains
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