Pathology of Campylobacter jejuni abortion in sheep

Campylobacter jejuni was inoculated intravenously into pregnant ewes on gestation days 114 and 123 to reproduce ovine abortion. All ewes aborted 7–12 days post-inoculation. High numbers of C. jejuni were isolated from ewe tissues (caruncle, bile, cecal feces), fetal tissues, and placenta. C. jejuni...

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Veröffentlicht in:Veterinary pathology 1987-09, Vol.24 (5), p.419-426
Hauptverfasser: Hedstrom, O.R, Sonn, R.J, Lassen, E.D, Hultgren, B.D, Crisman, R.O, Smith, B.B, Snyder, S.P
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container_end_page 426
container_issue 5
container_start_page 419
container_title Veterinary pathology
container_volume 24
creator Hedstrom, O.R
Sonn, R.J
Lassen, E.D
Hultgren, B.D
Crisman, R.O
Smith, B.B
Snyder, S.P
description Campylobacter jejuni was inoculated intravenously into pregnant ewes on gestation days 114 and 123 to reproduce ovine abortion. All ewes aborted 7–12 days post-inoculation. High numbers of C. jejuni were isolated from ewe tissues (caruncle, bile, cecal feces), fetal tissues, and placenta. C. jejuni colonies were identified in caruncles and placenta by light microscopy and immunoperoxidase techniques. Histologically, inoculated ewes had a severe purulent endometritis with vasculitis. Placentas from inoculated ewes and field cases showed necrosis and purulent inflammation; however, placentas from inoculated ewes had large numbers of bacterial colonies compared to few bacteria found in field cases. Histologically, only one fetus from the inoculated ewes showed lesions (purulent bronchopneumonia), whereas all fetuses from field cases had a distinct bronchopneumonia, and one fetus showed multifocal hepatic necrosis. These results suggest that C. jejuni (serotypes Penner 1 and Lior 2) is an important abortifacient organism for sheep.
doi_str_mv 10.1177/030098588702400509
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All ewes aborted 7–12 days post-inoculation. High numbers of C. jejuni were isolated from ewe tissues (caruncle, bile, cecal feces), fetal tissues, and placenta. C. jejuni colonies were identified in caruncles and placenta by light microscopy and immunoperoxidase techniques. Histologically, inoculated ewes had a severe purulent endometritis with vasculitis. Placentas from inoculated ewes and field cases showed necrosis and purulent inflammation; however, placentas from inoculated ewes had large numbers of bacterial colonies compared to few bacteria found in field cases. Histologically, only one fetus from the inoculated ewes showed lesions (purulent bronchopneumonia), whereas all fetuses from field cases had a distinct bronchopneumonia, and one fetus showed multifocal hepatic necrosis. 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source SAGE Complete A-Z List; MEDLINE
subjects ABORTION
Abortion, Veterinary - microbiology
Abortion, Veterinary - pathology
ABORTO
Animals
AVORTEMENT
CALOR
CAMPYLOBACTER
Campylobacter fetus - isolation & purification
Campylobacter Infections - microbiology
Campylobacter Infections - pathology
Campylobacter Infections - veterinary
Campylobacter jejuni
CHALEUR
Female
Fetus - pathology
HEAT
OVIN
OVINOS
PATHOLOGIE
PATHOLOGY
PATOLOGIA
Placenta - microbiology
Placenta - pathology
Pregnancy
Pregnancy Complications, Infectious - microbiology
Pregnancy Complications, Infectious - pathology
Pregnancy Complications, Infectious - veterinary
SHEEP
Sheep Diseases - microbiology
Sheep Diseases - pathology
title Pathology of Campylobacter jejuni abortion in sheep
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