Bovine abortion and necrotic placentitis by Aspergillus terreus

A 31-month-old Japanese Black cow (Bos taurus) aborted at 5 months of gestation with no clinical symptoms. Histopathological examination of the placenta and fetus revealed severe necrotic placentitis associated with numerous irregular degenerative fungi and inflammatory cells. Regular filamentous fu...

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Bibliographic Details
Published in:	Journal of Veterinary Medical Science 2022, Vol.84(3), pp.342-345
Main Authors:	SATO, Takahiro, SEKIGUCHI, Maki, MATSUMOTO, Atsuko, SHIMADA, Kaho, IWANAGA, Mikuya, IKEZAWA, Mitsutaka, HANAFUSA, Yasuko, SHIBAHARA, Tomoyuki
Format:	Article
Language:	eng
Subjects:	abortion Abortion, Veterinary - microbiology Abortion, Veterinary - pathology aleurioconidia Animals Aspergillus Aspergillus terreus Bos taurus Cattle Female Fetus Fetuses Fungi Inflammation Necrosis Pathology Placenta placentitis Pregnancy Respiratory organs Septum
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Summary:	A 31-month-old Japanese Black cow (Bos taurus) aborted at 5 months of gestation with no clinical symptoms. Histopathological examination of the placenta and fetus revealed severe necrotic placentitis associated with numerous irregular degenerative fungi and inflammatory cells. Regular filamentous fungi were also detected, without inflammatory response in the fetal digestive and respiratory organs. Both fungi had aleurioconidia and septa in the placenta and fetal organs and immunohistochemically stained with antibodies against Aspergillus spp. Aspergillus terreus was isolated from the fetal lung and abomasal contents as confirmed using mycological and molecular methods. This is the first immunohistochemical, morphological, and molecular identification of A. terreus in bovine placenta and aborted fetuses.
ISSN:	0916-7250 1347-7439