Grassfed has a far better story to tell than organics CLA researcher
says
by Allan Nation
CLAY CITY, Indiana: Dr. Tilak Dhiman of Utah State
University speaking at the American Grassfed Association's
convention said that American organic foods sales have grown
from $7.5 billion in 2001 to $18.4 billion in 2005 and are projected
to reach $23 billion in 2007.
"
Currently, the organic food section is the most profitable
section in today's supermarket. Even Wal-Mart is bringing
out an organic food line," he
said.
" And yet, this is happening without
any conclusive research that organic food is healthier
for you. We have a far stronger
and better researched story
in grass fed products.
"Some of grass fed's benefits
in comparison with the grain fed product are:
500% more CLA
400% more Vitamin A
300% more Vitamin E
75% more omega-3
78% more Beta-carotene
In animals studies (humans are not normally
used in cancer studies for ethical reasons), 11 out of 11
had found CLA decreases cancer.
Four out of five have found a
decrease in body fat.
Two out of two have found a decreases in
heart disease.
Six out of six have found increased immunity to
disease.
Two out of two have found increased bone density.
And three out
of three have found a decrease in adult diabetes.
While artificial
CLA is now available in a pill form, natural CLA from animal
products is 600% more effective in fighting cancer.
"
This is a much more exciting story than organic food products
have to tell."
He said he was not denigrating
organics as personally he would like his meat
and milk to be both organic and grass fed.
"
An organic 100% grass fed product would be the ultimate in
healthy eating."
He said these health findings should
benefit grass-based farmers and ranchers the most.
"
CLA in a ruminant product increases linearly with the increase
in fresh pasture
consumption," he said.
"
In milk, it takes 25 days on pasture to get to the maximum
level but only five days for this level to collapse when
the animal is removed
from pasture."
This recovery time is much
slower in meat products. Current research indicates
that the CLA in an animal that is ever fed grain
never fully equals one fed no grain at all.
Animals that were
fed small amounts of grain in their stocker stage and then
finished on pasture alone had less than half the CLA of cattle
completely grown from weaning to harvest on
grass.
Dhiman said feeding an animal hay or wilted
silage would decrease the CLA by one-third
and green chop by 10%.
He said what created CLA was the highly
volatile fatty acids in the grass that are quickly lost due
to wilting.
Also fine chopping hay or silage decreases
the CLA even further.
Feeding a ruminant animal
fat also decreases CLA content.
He said the best way to increase
the CLA content in meat and milk was to add a legume.
"
Clovers increase CLA content by 30% over straight grass pastures."
Breeds
have an influence as well.
The Brown Swiss produces the most
amount of CLA in Dhiman's studies. This is some 40% more than
the Holstein.
He said the CLA is found within the animal's
fat. Breeds that produce high fat content
milk and fatten easily on pasture are
the breeds needed for high CLA products.
Supplements can also
increase the CLA in milk.
Dhiman said fish oil has the greatest
positive effect but plant oils such
as soybean oil
are also effective.
He said to remember
that the benefit is in the oil of the plant and not
the meal.
Full-fat, roasted soybeans
and extruded soybean meal are far better
than
meals with the oils completely
removed.
"
It is far easier to increase the CLA content in milk than
in beef. We have found no CLA benefit in feeding oils to
beef
cattle."
He said the reluctance
of most dairy producers to go
to 100%
grass feeding
was
unfortunate because cheese and
butter offered the fastest way
to dramatically increase
the CLA content of the consumer's
diet.
He said a serving of 100%
grass fed cheese contained 212 mgs
of CLA versus
only
70 mg in a serving of 100% grass
fed beef.
To make this health food story
even better, he said recent research
has
discovered
a new fatty acid called Trans-vaccinic
Acid or TVA. Human digestion
can convert
about 20% of this TVA to CLA.
This
gives grass fed products an even further advantage because
TVA has been
found to increase linearly
with the increase in pasture consumption
just like
CLA.
"
The more we research grass fed products the bigger the (health)
advantages to grass feeding
gets," he said.
©
by The Stockman Grass Farmer
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