The man's father claimed the cows died in the spring, possibly of pneumonia.
The Russian government hit back on sanctions by taking Western cheese, fruit and foodstuffs, only to bulldozer them at the border.
The drug taps into the bacteria which populate our bodies and outnumber our own cells by 10 to 1.
A fatty acid present in dairy products appears to lower the risk of heart disease, according to scientists.
But the difference could be due to bovine growth hormones.
Russians believe prices are rising but the Kremlin has vowed to maintain a ban on EU and U.S. imports "as long as possible."
The cartel involving 11 firms operated for six years and were fined up to €56 million.