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kayell Donating Member (1000+ posts) Send PM | Profile | Ignore Mon Jan-05-04 01:19 PM
Original message
A Bum Steer On Mad Cow Disease
http://story.news.yahoo.com/news?tmpl=story&u=/bw/20040105/bs_bw/b3865034

One week after confirming the nation's first case of mad cow disease, the U.S. Agriculture Dept. took a first step toward dealing with the crisis. On Dec. 30, Agriculture Secretary Ann M. Veneman announced that "downer" cows, which are animals too sick to walk, will no longer end up on our dinner plates. Falling down is a key symptom of mad cow disease -- otherwise known as bovine spongiform encephalopathy (BSE (news - web sites)) -- yet meat from hundreds of thousands of lame cows was being packed up and sent to supermarkets every year. The ban on that practice is the linchpin in the USDA's response to the incident, which also includes a provision outlawing the use of heads, spinal tissue, and other potentially infectious body parts from older cows in human food.

On the surface, it may look like the USDA is finally waking up. But these new measures are not enough. For years, and even today, the department has insisted that the nation's beef supply is not at risk. Its downplaying of the disease is reminiscent of the British government's initial reaction to an outbreak in England of mad cow disease in 1989. Then-Agriculture Minister John Gummer even fed his 4-year-old daughter a hamburger on television to prove how safe the meat was. We know what happened in Britain: More than 130 people died, and millions of cattle had to be destroyed. Eventually, though, the Brits got their act together and now have a rigorous testing program in place. Here in the U.S., though, the USDA caved to strong lobbying by cattlemen who opposed stricter, more expensive controls.

Other countries do much more to protect their citizens. In Japan, all cattle slaughtered for food, and, in Europe, all such cattle age 30 months and older, are tested for BSE -- costing just a few cents per pound. That compares with just 20,000 cattle tested in the U.S., or less than 0.001% of the 36 million animals slaughtered here each year.

snip

Despite the USDA's reassurances, many food-safety experts fear that the ban on feeding bovine by-products to other cows won't actually protect America from mad cow disease. That's because it has some gaping loopholes. First, the ban doesn't outlaw the feeding of cow's blood to other cows. Beef farmers often feed dried cattle blood to calves as a supplement to promote faster weight gain. Some experts worry that could spread BSE.


If that's not enough to turn you into a vegetarian, consider a second loophole: The regulations don't ban feeding cattle by-products to poultry and poultry droppings to cattle. Poultry is not susceptible to mad cow disease, but it's possible that the illness could be passed through them to cattle because commercial cow feed often contains a mix of poultry droppings and grain. "We know this is a disease that's transmitted through feeding, yet we still feed billions of pounds of cow by-products back to livestock," says John Stauber, co-author of the 1997 book Mad Cow USA: Could the Nightmare Happen Here? "The reality is, this ban is fatally flawed."

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Frodo Donating Member (1000+ posts) Send PM | Profile | Ignore Mon Jan-05-04 01:23 PM
Response to Original message
1. How good are studies showing transmission throough blood?
I've heard this once or twice but haven't seen anything but speculation.

Do you have a link?
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kayell Donating Member (1000+ posts) Send PM | Profile | Ignore Mon Jan-05-04 01:38 PM
Response to Reply #1
3. It appears to be at least theoretically possible
http://www.doh.gov.uk/cjd/press/pr140900.htm
This article briefly references a study on transmission by whole blood transfusion in sheep. Since prions are not damaged by heat or drying, there is no reason to think that cattle blood as a food for cattle is safe, and much reason to suspect that it is not.

http://tse-ip.org/article-infectivity-blood-mice.html
Similar results in mice.



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Venomous_Rhetoric Donating Member (137 posts) Send PM | Profile | Ignore Tue Jan-06-04 08:23 PM
Response to Reply #3
7. Ban
Currently, the red cross will not accept donations of blood from anyone who has spent more than 3 months in Europe.

Also, in the human version of BSE, CJD has been said to have been spread by a blood transfusion,(tissue transpants as well, cornea transplants, and even from medical tools thought to have been sterilized) I don't have any links off- hand.

It seems however, that enough evidence exists for the Red Cross to take this action, so simularly, it should apply to feeding Slaughter house floor blood to young calves.
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milliner Donating Member (122 posts) Send PM | Profile | Ignore Mon Jan-05-04 01:35 PM
Response to Original message
2. Your going
to have to come up with something better than speculation.
Your comments hover close to shouting fire in a packed theater. I can not claim that chicken droppings are never fed to cattle, although being very close to both, I have never seen it happen and do not understand from a nutritional standpoint why it would happen. Maybe a quote from someone or a source?
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kayell Donating Member (1000+ posts) Send PM | Profile | Ignore Mon Jan-05-04 01:46 PM
Response to Reply #2
4. I merely quoted the article
the comments are not mine. However it took only a very short google to find Guidelines for Feeding Broiler Litter to Beef Cattle
http://www.bae.ncsu.edu/programs/extension/publicat/wqwm/ag61.html

"Nutritional Characteristics of Broiler Litter
Broiler litter contains bedding material, manure, wasted feed and feathers, and it may be accumulated from one or more flocks of broilers. Table 1 gives estimates of the nutrient content of broiler litter.

snip of table

II. Handling and Processing Broiler Litter
Broiler litter to be used for cattle feed should contain at least 75% dry matter. If litter contains less than 70% dry matter, wet spots and mold can be problems. Since litter may contain scrap metal, the material should be run through a hammermill equipped with a magnet to remove objects that may cause hardware disease. In addition, the material should be screened to remove pieces of wood, glass, etc.

snip

IV. Feeding Recommendations for Litter Treated Corn Silage
Corn silage treated with broiler litter at 30% of the dry matter should provide adequate crude protein, calcium, and phosphorous for most beef cattle. A free choice supplement containing 300,000 IU of Vitamin A per pound of plain slat should be provided with the rations suggested below for several classes of beef cattle.

A. Dry, pregnant cows: Feed 35 to 40 lbs. of the litter-silage mixture per day.
B. Lactating beef cows:

Average milking ability (beef type): Feed 45 to 50 lbs. of litter treated silage per day.

Superior milking ability (dairy x beef): Feed 50 to 60 lbs. of litter treated silage per day. If cows do not consume this level of feed, 2 to 5 lbs. of corn may be fed with 45 to 50 lbs. of litter treated silage per day.
C. Stocker calves: Full feed of the litter treated corn silage. "

------------------------------------------------

I assume that guidelines given to beef producers by a state university are sufficient as a source?
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ret5hd Donating Member (1000+ posts) Send PM | Profile | Ignore Mon Jan-05-04 01:55 PM
Response to Reply #4
5. slap 'im down...
hehehehe
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kayell Donating Member (1000+ posts) Send PM | Profile | Ignore Mon Jan-05-04 09:10 PM
Response to Reply #5
6. That did feel kind of satisfying
:evilgrin:
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