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Volume 29, Number 1—January 2023
Dispatch

Pathologic and Immunohistochemical Evidence of Possible Francisellaceae among Aborted Ovine Fetuses, Uruguay

Federico GiannittiComments to Author , Matías A. Dorsch, Carlos O. Schild, Rubén D. Caffarena, Karen Sverlow, Aníbal G. Armién, and Franklin Riet-Correa
Author affiliations: Instituto Nacional de Investigación Agropecuaria, La Estanzuela, Colonia, Uruguay (F. Giannitti, M.A. Dorsch, C.O. Schild, R.D. Caffarena, F. Riet-Correa); University of California, Davis, California, USA (K. Sverlow, A.G. Armién); Universidade Federal da Bahia, Ondina, Salvador, Brazil (F. Riet-Correa)

Main Article

Table 1

Autopsy findings in twin ovine fetuses with possible Francisellaceae infection, Uruguay

Autopsy findings Fetus A Fetus B
Crown-to-rump length
 30 cm*
 32 cm*
Sex
 F
 F
External aspects
 Fully formed with complete wool, hair coat
 Fully formed with complete wool, hair coat
Pulmonary aeration
 Unexpanded, unventilated lungs†
 Unexpanded, unventilated lungs†
Eponychium
 Intact (uneroded) in all limbs†
 Intact (uneroded) in all limbs†
Abomasum
 No colostrum or milk curds†
 No colostrum or milk curds†
Umbilical cord
 Intact, wet, no hemorrhages or clots in umbilical vessels†
 Intact, wet, no hemorrhages or clots in umbilical vessels†
Subcutaneous edema
 Yes
 No
Fibrinous peritonitis and pericarditis
 Yes
 Yes
Liver lesions
 Enlarged liver with rounded edges, myriad discrete white to yellowish foci <2 mm in diameter disseminated throughout the hepatic parenchyma and visible from the capsular surface
 Enlarged liver with rounded edges, myriad discrete white to yellowish foci <2 mm in diameter disseminated throughout the hepatic parenchyma and visible from the capsular surface
Placenta
 Not available for examination
 Not available for examination
Tissue autolysis Moderate Moderate

*Consistent with a gestational age of ≈4 mo. †These findings suggest that the fetuses were dead at the time of expulsion (abortion).

Main Article

Page created: November 04, 2022
Page updated: December 22, 2022
Page reviewed: December 22, 2022
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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