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Pathology of peritonitis in cattle.

J Comp Pathol

January 2025

Setor de Patologia Veterinária, Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil.

Although peritonitis is highly prevalent in cattle, there have been only limited studies on the pathology of this condition. We describe the gross and histological aspects of primary and secondary peritonitis in cattle based on necropsy reports of 46 cases. Twenty-six were female (26/46; 56.

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Background: Lower urinary tract disease is a common clinical condition in dogs, usually presenting with dysuria, pollakiuria and haematuria. Diabetes mellitus is a predisposing factor for urinary tract infection in both humans and dogs and does not necessarily present with clinical signs. In this case report, we describe for the first time a case of cystitis glandularis in a dog with diabetes mellitus, associated with Escherichia coli urinary tract infection.

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Waterhouse-Friderichsen Syndrome (WFS) is a rare but life-threatening condition characterized by massive adrenal hemorrhage. WFS represents one of the features of the Overwhelming Post-Splenectomy Infection, which occurs any time after spleen removal and is recognized as the most serious complication in asplenic patients. We report a fatal case of WFS resulting from Streptococcus pneumoniae infection in a vaccinated and splenectomized patient.

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Francisella orientalis DNA detected in feral tilapia populations in Hawai'i.

J Aquat Anim Health

December 2024

Animal and Veterinary Services Program, Biomedical Sciences, University of Hawai'i, Honolulu, Hawai'i, USA.

Article Synopsis
  • Francisella orientalis is a harmful bacteria that causes high death rates in warmwater fish like tilapia and has significantly impacted aquaculture worldwide, resulting in a moratorium on tilapia exports from Oahu since the mid-1990s due to repeated outbreaks.
  • A study was conducted to evaluate the presence of this bacteria in feral tilapia from various Hawaiian Islands using molecular and histological screening methods.
  • The results showed infection signs in fish from all five islands, but F. orientalis was only confirmed in Oahu, Maui, and Kauai, indicating its widespread prevalence among feral tilapia populations.
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Development and validation of a preclinical canine model for early onset fracture-related infections.

Injury

December 2024

Thompson Laboratory for Regenerative Orthopaedics, University of Missouri, 1100 Virginia Ave, Columbia, MO, 65212, USA; Department of Orthopaedic Surgery, University of Missouri, 1100 Virginia Ave, Columbia, Missouri, 65212, USA. Electronic address:

Fracture-related infections (FRIs) are a challenging complication in orthopaedics. Standard of care management for FRIs typically involves prolonged antibiotic therapies, irrigation and debridement (I&D) of the fracture site, and retention of fracture-fixation implants with or without exchange. Unfortunately, this treatment regimen is associated with treatment failure rates of up to 38 %, such that improved preventive and therapeutic interventions are needed.

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