A34-Lincaster Fanning, Saturday. October 21, 2000
Poultry Manure Strategies
(Continued from Pago A 29)
courses use it regularly.
He pointed to companies that
market the Black Hen or Black
Kow composted manure in bags.
Big T Feeds in West Virginia
feed a four-state area with en
hanced pellets.
A Pennsylvania company
even bags the composed manure
for houseplant or container gar
dening.
Some concerns; quality con
trol is an issue with the com
posted material. Its lack of
uniformity; the need to add, in
some cases, carbon sources; and
lack of adequate chemical com
position analysis have proved
challenging. “No one knows
what’s really in the products,”
said Carpenter.
For many people, it’s “much
easier to make the product than
to sell it.” A market must be es
tablished before growers decide
how to sell it.
Some growers use manure for
electrical generation and co
generation.
Many companies are becom
ing involved with technologies
to convert the oversupply of
manure into something useful,
according to the ag agent.
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Glenn Carpenter, area
agent with North Carolina
extension In Pittsboro,
N.C., said Monday that the
technology to convert poul
try manure into a usable re
source is there, but is “not
nearly as good as it needs
to be for a long-term, sus
tained market of poultry
goods,” he said.
“Things are finally starting to
happen. WeTe not just ’talking’
about it anymore,” Carpenter
said.
One such producer-marketer
is Andy Rogowski with Daylay
Egg Farm, West Mansfield,
Ohio.
Daylay has about three mil
lion birds, including 2.6 million
layers and 610 pullets on four
farms.
Working closely with Ohio
State University, Daylay has
come up with ways to move
manure as a product to help
growers “build up” areas, he
said, with low organic matter,
low pH, and low soil nutrients in
general.
There are several issues that
the user must be aware of even
when using such a product. Flies
and beetles are issues, but the
composted product in the
Daylay system removes some of
those challenges.
The product, in the end of the
compost cycle is stable, uniform,
and dry, and destroys weed
seeds and pathogens, in addition
to flies.
At one farm, Mad River Egg
Farm, four buildings house one
million layers. The
composting isrun on a
four-day cycle with a
“central design’’
system. Composting is
done in a central
building with a whisk
aeration system. Air
movement in the cages
dries the moisture
from 70- 75 percent to
50 percent in four
days.
Conveyor belts also
help dry the manure.
An infloor aeration
system adds air to
keep the material as
aerobic as possible.
Rogowski’s recipe
for 60-day compost
ing:
• Make sure there is
proper feed supplied
to the birds.
• The manure
spends four days on
the belts.
shredders
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• The manure is whisked to
aid in drydown.
• Manure is conveyed to com
posting.
• Work is done to maintain
manure porosity.
• Use forced aeration.
• Eighteen lanes turn the ma
terial every three days.
“We want the manure on
belts so there is no compaction
and it can get as much air as
possible,” said Rogowski.
The material can be applied
to the land with any conventi
onal spreader. They use a
“floater” type spreader.
The benefits for the soil addi
tive compost: it improves soil
moisture-holding capacity, tilth,
nutrient retention, and de
creases soil erosion.
Rick Koelsch, ag engineer
with the University of Nebraska,
spoke about a national poultry
waste curriculum program es
tablished which is under review
for universities to adopt. It will
be another year before the cur
riculum material will be avail
able to universities.
Alex Avery, Center for Global
Food Issues, Churchville, Va.,
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spoke about the “war” by the
unknowing public on “confine
ment livestock agriculture.”
Avery said the challenge will be
to double the world’s annual
food output in the next 50 years
to meet demand globally for a
population that keeps expand
ing.
Only today’s highly intensive,
concentrated, family-owned
production systems can do the
job, according to Avery. He
pointed out he has a homemade
bumper sticker that reads “Pro
duce more per acre, save more
for nature.”
Peter Groot Koerkamp, Insti
tute for Agricultural and Envi
ronmental Engineering,
Wageningen, The Netherlands,
spoke about the farm “emission
quotas” their countries are
under. But technological sys
tems put in place have quite ef
fectively, he noted, reduced
ammonia emissions.
Preston Keller, Tyson Foods,
Springdale, Ark., spoke about
the Tyson Environmental
Awards Program which rewards
good players for the environ
(Turn to Page ASS)
MULTIPLE BENEFITS
• Improved Palatability, less waste
• Feed silage bales directly into bunk or fenceline
feeders. Pre-chop material for TMR mixer.
• Improved absorption ability of bedding
material, less bedding required.
• Clean comfortable beds.
• Easier handling of manure with chopped
material
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