21. The dish consists of washed and blanched rumen . 22. Depending on the species, they reside in the intestine, rumen or liver. 23. It is a succinic acid-producing strain first isolated from the bovine rumen . 24. This species is an obligate anaerobe and is found in the rumen of cows. 25. The incumbent president is Rumen Radev, born 18 June 1963 ( aged ). 26. Agriculture Minister Rumen Hristov indicated that bread prices might give consumers an even bigger shock. 27. The conference will open Oct . 3, Deputy Defense Minister Rumen Kanchev said Wednesday. 28. These are the rumen , bolus ). 29. It has also been reported a number of times to cause lesions in the rumen . 30. For optimal digestion, the environment of the rumen must be ideal for the microbes.