Diarrhea Caused by Enterococcus villorum in Piglets

JARQ : Japan Agricultural Research Quarterly
ISSN 00213551
書誌レコードID(総合目録DB) AA0068709X
本文フルテキスト

Three of 10 piglets with watery diarrhea, aged 24, 21 and 22 days (cases 1, 2 and 3, respectively), were investigated in detail after euthanasia (as the remaining seven recovered without specific treatment). Enterococcal bacteria were isolated and multilocus sequence analysis showed 100% and 99% identity with the phenylalanyl tRNA synthase and RNA polymerase α subunit genes of strains of Enterococcus villorum, respectively. Histologically, severe epithelial desquamation, atrophy, and regeneration of ileal villi were observed in cases 1, 2 and 3, respectively. The number of bacteria was large in case 1, smaller in case 2, and sparse in case 3. These findings suggest that case 1 was at an earlier stage of enteropathy than case 2, and that case 3 was recovering. In case 1, the exfoliation of epithelial cells with many bacteria into the intestinal lumen was interpreted as a host reaction for eradicating marginally pathogenic enteroadherent bacteria. Folded smooth muscle cells and intact blood and lymphatic vessels in the atrophic lamina propria may have been linked to the rapid regeneration of villi.

刊行年月日
作成者 Yukiko TANIGUCHI Yukino TAMAMURA Yoshihiro WADA Ayumi KOBAYASHI Tomoyuki SHIBAHARA Yoshiharu ISHIKAWA Koichi KADOTA
著者キーワード Desquamative enteropathy enteroadherent bacterium mucin immunohistochemistry
公開者 Japan International Research Center for Agricultural Sciences
オンライン掲載日
国立情報学研究所メタデータ主題語彙集(資源タイプ) Journal Article
51
3
開始ページ 287
終了ページ 292
DOI 10.6090/jarq.51.287
権利 Japan International Research Center for Agricultural Sciences
言語 eng

関連する刊行物