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[Elution of bacteria adhering to the epithelium in the rumen in sheep and their detection using electron microscopy].

A method of preparing the pure concentrate of epithelium-adherent bacteria in sheep rumen was worked out and it was tested in 24 samples of the rumen wall, obtained from 12 slaughtered sheep. The purity of the bacterial eluate was checked by transmission electron microscopy and negative staining, followed by electron-microscopic evaluation. Besides bacterial cells no residues of feed, epithelium and other undesirable impurities were found out in the eluate. The percent yield of this method was determined by scanning electron microscopy and it made 93.3%. An isolated pure concentrate of the mixture of bacterial cultures, previously adhered to the rumen epithelium, was prepared which can be used for morphological and biochemical studies of this interesting group of rumen bacteria.