Necrotic Enteritis due to Clostridium perfringens Type C in Newborn Piglets.
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概要
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Necrotic enteritis caused by <I>C. perfringens</I> type C broke out on a breeding pig farm in the Ishikari region in February 1990. Thirteen newborn piglets of a litter had hemorrhagic diarrhea and became weak on the second day after birth. Most of them died on the following day. At autopsy, the dark-red jejunum with subserous emphysema was found to be grossly conspicuous. The lumen contained a dark-red mass of coagulum. Microscopically, the jejunum was necrotic and hemorrhagic throughout the mucosa, submucosa and part of tunica muscularis. By inoculating an intestinal supernatant fluid from 2 piglets into mice, toxins were demonstrated and not neutralized by the antiserum to the toxin of <I>C. perfringens</I> type A. <I>C. perfringens</I> was isolated 10<SUP>8</SUP> to 10<SUP>9</SUP>/g from the intestinal contents of 10 piglets, and all the 10 isolates were identified as being type C by the toxin-antitoxin neutralization test. <I>C. perfringens</I> type C was not isolated from the sow having diseased piglets, but was so from 1 of 4 breeding sows.
- 公益社団法人 日本獣医師会の論文
公益社団法人 日本獣医師会 | 論文
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