Meat + Poultry - May 2004 - 42

Hide-

Cleaner hides result

T

he journey of cattle, from pastures to feedlots and finally to slaughter plants, is anything but sanitary. Depending on weather conditions, the maintenance and

crowdedness of the facilities they pass through, cattle collect mud
and manure on their hides, which serve as a haven for pathogens,
specifically E. Coli O157: H7.

At the exit end of Excel's hide-on washing cabinet,
employees vacuum the pattern lines to remove
water on the hide surface.

42

MEAT&POULTRY

With millions of dollars invested in the prevention and detection
of such pathogens in meat products, it seems ludicrous to bring in
filthy animals and just hope the in-plant interventions work. Some
experts believe the issue should be addressed before the animals
arrive at the plants.
Some of the biggest beef packers in the U.S. are taking action
as close to the receiving area as possible. For them, hide washing,
which occurs immediately after the animals are stunned and bled, is
proving to be successful.
Animal handling expert Dr. Temple Grandin, associate professor
of animal science at Colorado State Univ., says the beef industry
should look under every rock for opportunities to keep cattle hides
clean. Besides keeping dirt and feces out of plants to prevent meat
contamination, cattle tend to be less stressed when they aren't subject to conditions that lead to dirty hides, which contributes to better
quality products and higher yields.
Grandin says the problem tends to be the worst at the feedyards.
She estimates that about 70 percent of the lots do a good job of
keeping conditions at an acceptable level. The remainder have poorly designed and maintained pens. Cattle wallowing around in the
deep sludge can easily splash some of the muddy mix into the water
troughs, which is another avenue for E. coli to get into the animal.
"I've seen caked on dirt on animals that is so bad you couldn't
tell Angus from Hereford," says Grandin. The severity of the cakedon dirt depends largely on the weather and the leadership at the
feedlot. "Poorly managed feedlots have two times the dirt and mud,"
she says. "And especially in the winter, it's almost impossible to
keep the dirt off the animals.
"There needs to be an industry-wide initiative to address the issues
at the feedyards. Once the operators of the guilty feedyards get the
message that no one will accept their dirty cattle, changes will come."
Grandin says in years past, work was done to clean the muck off of
cows while they were still alive. Those efforts failed miserably. "A little

www.MEATPOULTRY.com

MAY 2004



http://www.MEATPOULTRY.com

Meat + Poultry - May 2004

Table of Contents for the Digital Edition of Meat + Poultry - May 2004

Contents
Meat + Poultry - May 2004 - 1
Meat + Poultry - May 2004 - 2
Meat + Poultry - May 2004 - 3
Meat + Poultry - May 2004 - Contents
Meat + Poultry - May 2004 - 5
Meat + Poultry - May 2004 - 6
Meat + Poultry - May 2004 - 7
Meat + Poultry - May 2004 - 8
Meat + Poultry - May 2004 - 9
Meat + Poultry - May 2004 - 10
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