How Wagyu cows are treated?

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The cows are treated respectfully. There are plenty of stories out there about the special treatment Wagyu beef cows receive, including tales about how they're massaged daily, fed beer and sake, and how soothing music is played in their holding pens..
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While American Wagyu cattle are still known for taste and marbling, he said, "they won't reach the extreme levels of marbling like they do in Japan, due to the different feeding systems." ... The Japanese cattle are far from perfect, though. "The breed has some weak points. Muscling would be chief of those," Olson said.
Cattle need only minimal shelter. During calving it is nice to have a place where the cow and newborn calf can get out of the elements for a day or two. It is good to have a place where they can find shade in hot weather and wind break from the cold..
Wagyu cows can listen to music, but it's not a necessity. Read on to learn more about the sought-after Wagyu and how it's raised.
By feeding hay to cattle for about five days before slaughter, the number of acid-resistant E. coli can be dramatically reduced. "Most bacteria are killed by the acid of stomach juice, but E. coli from grain-fed cattle are resistant to strong acids," explains James B.Sep 8, 1998.
The sugar which would be converted into glucose in animal system would no longer be hazardous as it is noticed in humans. It is however.