Brucellosis in pregnancy is a rare entity. It has been associated with an increased risk of spontaneous abortion in animals and possibly humans. Among six patients with brucellosis in pregnancy, one requested termination of the pregnancy in the first trimester, one had a spontaneous abortion at 12 weeks that could not be directly related to brucellosis, and four continued their pregnancies with no significant increase in maternal or neonatal morbidity or mortality.
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Front Vet Sci
January 2025
Infectious Bacterial Diseases of Livestock Research Unit, National Animal Disease Center, Agricultural Research Service, United States Department of Agriculture, Ames, IA, United States.
Introduction: Brucellosis is endemic in bison and elk in Yellowstone National Park and surrounding areas.
Methods: A comparative study was conducted using data from naive ( = 82 and 67, respectively) and strain RB51 (RB51) vaccinated (n-99 and 29, respectively) bison and elk experimentally challenged with virulent strain during pregnancy.
Results: The incidence of abortion, fetal infection, uterine or mammary infection, or infection in maternal tissues after experimental challenge was greater ( < 0.
AME Case Rep
November 2024
Department of Obstetrics and Gynecology, Division of Maternal Fetal Medicine, University of Mississippi Medical Center, Jackson, MS, USA.
Background: spp., a gram-negative bacterium, is one of the most prevalent zoonotic illnesses worldwide and is more commonly seen in animals; however, the disease may be present in humans. Clinical manifestations of brucellosis are variable and can range from asymptomatic to severe disease.
View Article and Find Full Text PDFMicroorganisms
January 2025
Research Unit of Epidemiology and Risk Analysis Applied to Veterinary Science (UREAR-ULg), Fundamental and Applied Research for Animals & Health (FARAH) Center, Faculty of Veterinary Medicine, University of Liege, 4000 Liège, Belgium.
Bovine brucellosis (bB) is a zoonosis mainly caused by the species in cattle. Bovine brucellosis can present with either a range of clinical symptoms, including spontaneous abortions in the last trimester of pregnancy, retained fetal membranes, and decreased milk production, or it can be asymptomatic. In Ecuador, vaccination against bB with S19 and/or RB51 is not mandatory and is the responsibility of the farmer.
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November 2024
MSD Animal Health, São Paulo, São Paulo, Brazil.
Introduction: The aim of this study was to compare the effectiveness of brucellosis control and reproductive performance using one or two doses of RB51 strain vaccine.
Methods: This experiment was conducted at two commercial beef farms (A, = 477; and B, = 673), which were selected due to their records of endemic brucellosis and a prevalence of 6 to 8% of seropositive cows. An initial serology screening (Day 0) was carried out in all cows using the Rose Bengal test (RB), and presumptive positive results were re-evaluated using a slow agglutination test with 2-mercaptoethanol (2-ME).
Prev Vet Med
January 2025
Animal Pathology Department, Instituto Agroalimentario de Aragón-IA2 (Universidad de Zaragoza-CITA), Veterinary Faculty of Zaragoza, C/Miguel Servet 177, Zaragoza 50013, Spain.
Abortion imposes a substantial economic burden on the global small ruminant industry, not only reducing herd productivity but also contributing to the spread of zoonotic diseases. This study examines the primary factors associated with abortion, both infectious and non-infectious, in 623 goat herds across Iran. A comprehensive evaluation was performed, incorporating herd history, laboratory results, and statistical analyses using univariate tests and multivariable binary logistic regression.
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