The Rural Voice, 2000-06, Page 10WELLESLEY
LOADING CHUTES
SHERK'S HORSE
FEEDERS
SHEEP FEEDERS
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LOADING
CHUTES
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Construction
• 3 Pt. hitch
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• Ramp settings
26" - 42"
SHEEP FEEDERS
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• Ruggedly
• Manufactured
14 gauge
• 32" wide
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• Grains and
fed. Sizes
Other sizes
SHERK'S
• Trough made
• 6" deep trough
• V -type manger
Sizes available:
a
all 6' high110
Can be used
and other
TILMAN
R.R.
519-656-3338
519-656-3429
built yet convenient
with 1"
sheet metal
trough with
2112" apart
other fine
available:
available
HORSE
feeder
x 1" tubing and
318" rod V -type manger
for less hay waste
particle feeds can be
4', 6' and 8' long.
upon request.
FEEDER
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of 14 gauge sheet metal
32" from ground
made of 3/8 rods, 3" apart
4' or 6' or 8'
for grains
feeds CANADIAN MADE
SHERK
#3 Wellesley, Ontario
evenings
6 THE RURAL VOICE
Scrap Book
No more cock of the walk?
Owners of poultry breeding farms and loss of fertilizing ability).
could join their counterparts in cattle Buhr intends to improve this
and pig farms in breeding from a situation by fortifying sperm cells and
bottle instead of keeping a rooster making them more resistant to cold
around. temperatures. Her goal is to inject
Prof. Mary Buhr. of the University lipids — a cellular component that
of Guelph's Animal and Poultry could enhance semen strength freez-
Science faculty is working with ing suitability — directly into poultry
graduate student Denise Bongalhardo semen. She has already used this
from the Federal University of Pelotas method to fortify bull and boar sperm,
in Brazil to boost poultry sperm's but poultry sperm is very different
ability to be frozen and stored for long chemically and structurally, and
periods. They're developing a cocktail requires different freezing conditions.
of lipids that can be directly inserted Buhr and Bongalhardo want to
into poultry sperm to help it survive develop an ideal "recipe" of lipids' that
the rigours of freezing, thawing and can be absorbed, but won't damage
transportation. Ultimately, a high sperm cells. They're using a flow
quality supply of semen could cytometer — and instrument for
eliminate the costly need of having counting, sorting and evaluating cells
roosters on every farm. — to determine which recipe results
"There's a need for long-term in the optimal fusion of lipids and
sperm preservation, no question," sperm cells. The lipids are formulated
Buhr says. "The poultry industry has with a fluorescent dye to make them
been looking for a good method for visible, as they float in around the
years." sperm cell. With an optimal lipid
Roosters on the farm can tally up mixture, the floating fluorescent
bills for care, housing, feeding and compounds aren't visible in the sperm
semen collection, but currently, they cell. Instead, the long, skinny sperm
are the only option. Semen is too fra- cell appears as a single fluorescent
gile to be transported over long dist- compound sperm. This indicates the
ances. Previous attempts to store and cells have fully absorbed the lipids
transport semen have failed because and the two compounds have
sperm cell structures are destroyed by successfully fused.°
cold temperatures (warm temperatures — Source: University of Guelph
are also damaging and cause spoilage "Nuggets" magazine
First large-scale corn -plastic plant underway
Construction on the world's first PLA. It can be used to manufacture a
large-scale facility for manufacturing wide range of biodegradable consumer
plastics from corn is underway in goods from food packaging and
Nebraska. furnishings to cups and textiles. The
Cargill Dow Polymers, a two-year- plant will produce 300 million pounds
old joint venture of Cargill Inc. and of PLA a year.
Dow Chemical Co., said the facility Cargill Dow announced earlier this
will begin operation in early 2002. It's year it planned to build a similar
located next to Cargill's big corn wet- facility in Europe, although no
milling operation in Blair. timetable was given.
The plant is expected to use 40,000 The technology behind PLA is
bushels of corn a day, or 14 million partly funded by U.S. corn growers'
bushels a year. The corn wet -milling checkoffs.
plant, one of the largest in the world, 'Jim Stoppert, president of Cargill
already uses 60 million bushels of corn Dow, said the new plant has generated
per year. enough interest that it "could be well
The new plant will produce pellets on its way to being fully sold out when
of a polymer resin call polytacide, or it comes on-line."0
PL, sold under the name NatureWorks — Source: Reuters News Agency