Poultry International - September 2017 - 25
PoultryInternational ❙ 25
the design eliminates secondary framing and streamlines the design without compromising performance.
This differs from the traditional concept of building a large layer barn and then installing the equipment
inside of it. The design's construction modifies and adds
to cage-free roosts as the support structure, allowing
roosts and equipment to be installed simultaneously
before finishing the house off with roofing and siding.
According to Summit, this leads to "an improved, balanced life cycle between the facility and equipment for
A separating wall down the middle of the house allows
for separate feed, water and ventilation to be provided on
both sides of the house, with hens kept in groups spaced
at about 50 feet for optimum welfare. An angled design
within the house results in fewer floor eggs than a traditional design, and a conveyor belt transports the eggs.
Plenums built into the house's outer walls enable air circulation, resulting in low ammonia levels in the house.
The design also includes another conveyor system
that moves manure out of the house to lessen the odor
for the hens and
workers. Rose Acre's
6 ways egg producers can win
are also sustainable
- producing a 1214 percent moisture
maximized efficiency of the infrastructure investment."
content manure, which they say farmers desire for a
Ridgway and Culp said the concept's short-term
high-quality fertilizer, and also attracts fewer flies to the
advantage over a traditional building design is the speed
house because it is drier.
of the building process and the lower overall cost of
Summit says another advantage of the Wrap-theconstruction. This means hens are placed sooner and
Equipment design system is that it requires less labor than
eggs head to market about eight weeks sooner than in a
a conventional system. Whereas a conventional system
traditional build, providing millions of cage-free eggs to
may take 15 to 20 people to manage one of the houses at
consumers earlier for a 378,000-bird house.
Rose Acre's Pulaski County facility, the new design re"To figure out how to build capacity with the least
quires only four or five employees to manage a house.
cost possible is absolutely critical or the protein indusThe concept was engineered by Summit, but was
try," said Ed Bahler, Summit CEO.
helped along by Rose Acre - the second-largest egg
Other Wrap-the-Equipment design benefits include
producer in the U.S. and one of the world's largest.
eliminating redundancies in materials and labor, giving
When Rose Acre workers were tearing down an old laythe producer a more accurate timetable for when the
house will be ready for birds, and air-tight metal panels
that offer superior ventilation and greater efficiency during the summer and winter months, they said. Further,
the materials used to build the structure are limited to
surfaces that lower the possibility of harboring bacteria
and other pathogens. Stainless steel is used to reinforce
areas that have proven to be weaker in past systems,
extending the system's life span to at least 50 years,
Summit leaders say.
Wrap-the-Equipment-style housing uses a
Benefits in the layer house
building plan calling for the actual aviary housing
The new cage-free facilities have no doors, allowing
structure to support the house. A frame is built
hens to sit, stand, roost, run and fly on multiple levels.
around the housing and siding is attached.
September 2017 ❙ www.WATTAgNet.com