Guidelines Address Ventilation Systems For Dairy Tie Stall Bams
ITHACA, N.Y. - Inside a
dairy tie stall bam, sufficient and
continuous air exchange is neces
sary to replace warm, moist, or
stale air with fresh outside air.
These two publications can help
dairy producers and their advis
ers plan effective ventilation sys
tems: Natural Ventilation for
Dairy Tie Stall Bams, NRAES
-119, and Tunnel Ventilation for
Dairy Tie Stall Bams, NRAES
-120 (originally published October
1998). Both are companion
guidelines to Planning Dairy
Stall Bams, NRAES-37.
Natural Ventilation for
Dairy Tie Stall Bams, NRAES
-119, is a guideline to systems
using a combination of sidewall
openings and ventilation chim
neys, stacks, or intermittent ridge
openings to allow maximum con
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trol of air quality and distribu
tion without mechanical fans. In
a naturally ventilated tie stall
bam, properly sized, located, and
adjusted openings use the forces
of wind and the difference be
tween inside and outside temper
ature to provide the necessary air
exchange and distribution.
This seven-page publication
outlines fundamental require
ments for natural ventilation sys
tems, covering control and oper
ation of openings, insulation,
moisture control, sidewall clo
sures, and ridge and stack open
ings. Four illustrations are in
cluded.
Cows that are too hot quickly
drop in milk production. Tunnel
ventilation is a summer ventila
tion system that provides the
high air exchange rates and high-
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members in Pennsylvania.
NAICC provides an organiza
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concerns, problems, experiences,
and knowledge related to agri
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membership, contact NAICC,
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ville, TN 38017, (901) 861-0511,
fax (901) 861-0512.
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speed airflow over cows that are
necessary to help remove body
heat during hot weather. Tunnel
ventilation components include
large exhaust fans along one end
wall of the bam and large open
ings along the other end.
Tunnel Ventilation for
Dairy Tie Stall Bams, NRAES
-120, describes tunnel ventilation
systems that can easily be install
ed in simple, unobstructed rec
tangular bam layouts, and that
with additional planning and ad
justment can also be installed in
barns with obstructions or un
usual shapes. The 15-page publi
Guideline For Dairy Manure Management
From Bam To Storage
ITHACA, N.Y. When con
sidering a new or improved dairy
manure management system, it
is important to predict the costs,
risks, savings, and operating
changes that may occur.
Because there are many op
tions, careful and objective plan
ning is a key to success. Guide
line for Dairy Manure
Management from Bam to
Storage, NRAES-108 (originally
published July 1998), concisely
reviews information essential to
the planning process for dairy
farmers and their advisers.
The 36-page guideline covers
the following topics: planning
the development or improve-
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cation discusses designs that are
best suited for two-row tie stall
barns accommodating more than
40 cows.
It covers the following essen
tial steps in developing a tunnel
ventilation system: determining
required fan capacity, determin
ing required inlet size, locating
fans and inlets, selecting fans,
and installing fans and controls.
Alternative inlet and fan loca
tions are discussed as well. This
guideline also addresses key con
siderations for planning and op
erating a tunnel ventilation sys
tem, including preparing the
ment of a manure handling sys
tem, getting technical informa
tion and assistance, and meeting
regulations; manure characteris
tics and production; alternatives
for manure management; op
tions for transferring manure
from bam to storage; and ma
nure storage types and storage
management. Fourteen illustra
tions and 14 tables are included.
Leadership for the develop
ment of Guideline for Dairy
Manure Management from
Bam to Storage, NRAES-108,
was provided by Stanley A.
Weeks, subcommittee chair of
the Farm Buildings and Equip
ment Task Force of The Dairy
Practices Council. Extension spe
cialists, university members, in
dustry representatives, and regu
latory and milk-plant field
personnel also provided their as
sistance and expertise.
Guideline for Dairy Manure
Management from Bam to
Storage is a joint undertaking by
the Northeast Regional Agricul
tural Engineering Service
(NRAES) and The Dairy Prac
tices Council (DPC). DPC is a
nonprofit organization of educa-
Lancaster •
Lancaster Farming, Saturday, March 10,2001-A33
See pages 827-H33
tunnel ventilation system for
winter, when an alternative sys
tem should be used. It includes
17 illustrations, a table of fan
and inlet requirements for typical
tie stall barns, and sample calcu
lations.
Natural Ventilation for
Dairy Tie Stall Bams, NRAES
-119, is available for $3 per copy
(plus shipping and handling);
and Tunnel Ventilation for
Dairy Tie Stall Bams, NRAES
-120, is available for $4 per copy
(plus shipping and handling)
from NRAES. Visit the Web site
at www.nraes.org.
tion, industry, and regulatory
personnel concerned with milk
quality, sanitation, and regula
tory uniformity.
This publication is one of 61
approved guidelines directed to
ward proper and improved sani
tation practices in the
production/processing of milk
and the manufacture of dairy
products. DPC approval indi
cates review by milk inspection
agencies of DPC member states
and the U.S. Food and Drug Ad
ministration.
Guideline for Dairy Manure
Management from Bam to
Storage, NRAES-108, is avail
able for $8 per copy (plus ship
ping and handling) from
NRAES, Cooperative Extension,
152 Riley-Robb Hall, Ithaca,
New York, 14853-5701. Shipping
and handling is $3.75 for a single
copy within the continental
United States.
For more information or a free
publication catalog, contact
NRAES by phone at (607)
255-7654, by fax at (607)
254-8770, or by e-maii at
nraes@cornell. Visit the Web site
at www.nraes.org.