豚の消化管内細菌叢に関する研究 : III. クロレラ発酵飼料の給与による糞便細菌叢の変動

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Viable counts were made of the fecal flora of 4 pigs fed a fermented-Chlorella dietin exchange for a commercial diet.l. Streptococci, veillonellae, coliforms, and staphylococci were reduced after theexchange of diet and particularly showed a great decrease in count in and after thesecond week. Accordingly, it is clear that these four groups of bacteria were suppressedby the fermented-Chlorella diet.2. Yeasts began to show a considerable increase in the third week after the exchangeof diet.3. Pediococci were frequently found in considerable numbers in the feces in thefourth week and the last week after the exchange of diet. This may indicate that somechanges have occurred in the contents of the digestive tract to such an extent as toallow these bacteria and yeasts to survive or multiply.4. The administration of the fermented-Chlorella diet had no significant influenceon the quantities of lactobacilli, bacteroides, and biftdobacteria.5. Anaerobic streptococci (principally Peptostreptococcus elsdenii) were frequentlyfound in considerable numbers during the experimental period.
社団法人日本獣医学会の論文
1968-10-20