It is illegal in some places to feed meat be it raw or cooked to animals.
.mad cow disease is the reason. They found the source and it is in meat products. That is the reason they feed a vegan diet to chickens since the litter from chickens is fed to cows and pigs. Mad cow disease is transferred to humans. We no longer allow cows and pigs from those countries imported to the US. One cow in the US had it and we closed all imports.
People cannot get mad cow disease. But in rare cases they may get a human form of mad cow disease called variant Creutzfeldt-Jakob disease (vCJD),
This can happen if you eat nerve tissue (the brain and spinal cord) of cattle that were infected with mad cow disease. Over time, vCJD destroys the brain and spinal cord.
The first case of vCJD was reported in 1996. Since then, there have been a few cases of vCJD reported in the world. Most of the cases have been in countries that are part of the United Kingdom (England, Scotland, Wales, and Northern Ireland).
In December 2003, mad cow disease was discovered in one cow in the United States. Before this cow was found to have the disease, the cow was slaughtered and its muscle meat was sent to be sold in grocery stores. But its organs and nerve tissue were not used for human food. Although mad cow disease cannot be spread through muscle meat, the United States Department of Agriculture (USDA) quickly traced the meat and removed it from grocery stores
http://www.webmd.com/a-to-z-guides/mad-cow-disease-overview
http://www.huffingtonpost.com/michael-greger-md/mad-cow-disease-california_b_1450994.html
http://extension.missouri.edu/p/G2077
.mad cow disease is the reason. They found the source and it is in meat products. That is the reason they feed a vegan diet to chickens since the litter from chickens is fed to cows and pigs. Mad cow disease is transferred to humans. We no longer allow cows and pigs from those countries imported to the US. One cow in the US had it and we closed all imports.
People cannot get mad cow disease. But in rare cases they may get a human form of mad cow disease called variant Creutzfeldt-Jakob disease (vCJD),
This can happen if you eat nerve tissue (the brain and spinal cord) of cattle that were infected with mad cow disease. Over time, vCJD destroys the brain and spinal cord.
The first case of vCJD was reported in 1996. Since then, there have been a few cases of vCJD reported in the world. Most of the cases have been in countries that are part of the United Kingdom (England, Scotland, Wales, and Northern Ireland).
In December 2003, mad cow disease was discovered in one cow in the United States. Before this cow was found to have the disease, the cow was slaughtered and its muscle meat was sent to be sold in grocery stores. But its organs and nerve tissue were not used for human food. Although mad cow disease cannot be spread through muscle meat, the United States Department of Agriculture (USDA) quickly traced the meat and removed it from grocery stores
http://www.webmd.com/a-to-z-guides/mad-cow-disease-overview
http://www.huffingtonpost.com/michael-greger-md/mad-cow-disease-california_b_1450994.html
http://extension.missouri.edu/p/G2077