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Unusual manifestation of salmonellosis in a young foal (case report)
Diarrhea in a foal which is caused by Salmonella typhimurium is not unusual in foals. But this foal developed other clinical signs which are not obviously associated with the diarrhea, e.g. ischemic necrosis of distal limbs. A very interesting although fatal case!

A 5-month-old mixed-breed filly presented with diarrhea due to Salmonella typhimurium infection and subsequently developed pneumonia in addition to ischemic necrosis of distal limbs.

Pulmonary lesions were characterized by numerous discrete, disseminated pyogranulomas with intralesional fungal hyphae.

The morphologic characteristics of fungal hyphae were consistent with Aspergillus spp., and large numbers of A fumigatus were isolated from lung tissue via fungal culture.

Lesions in all 4 limbs were similar in distribution, duration, and severity and were characterized by coagulation necrosis accompanied by occasional thrombi in small vessels without evidence of thrombosis of larger limb arteries.

Thus, limb lesions are consistent with symmetrical peripheral gangrene, a potential complication of sepsis.



Source: M. A. Breshears, T. C. Holbrook, C. E. Haak and P. A. York (2007): Pulmonary Aspergillosis and Ischemic Distal Limb Necrosis Associated with Enteric Salmonellosis in a Foal. In: Vet Pathol 44:215-217 (2007)



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EQUINE

Theiler´s disease in a Trakehner caused by contaminated tetanus vaccinemembers
An 11‐year‐old Trakehner gelding was presented for evaluation of lethargy, decreased appetite, mild icterus, and elevated hepatic enzyme activities. Physical examination, serum chemistry results, and liver biopsy histopathologic findings were supportive of Theiler`s disease. Polymerase chain reaction (PCR) testing results of serum and liver tissue were positive for nonprimate (equine) hepacivirus (NPHV) and a novel equine parvovirus‐hepatitis virus (EqPV‐H). A serious and finally fatal problem, caused by contaminated vaccine.

  • Limbal squamous cell carcinoma in a Rocky Mountain Horse and geneticsmembers
  • Subconjunctival bupivacaine, lidocaine, and mepivacaine and the corneal sensitivity in horsesmembers
  • Clodronate in horses with lamenessmembers
  • Valacyclovir in horses with equine multinodular pulmonary fibrosismembers
  • Radiculopathy associated with forelimb lameness in horsesmembers
  • Biological variations of routine blood parameters in horsesmembers
  • Prognosis for horses with deep digital flexor tendon injury after penetrating woundmembers
  • Possible maternal effect for the pace trait of horsesmembers
  • Flecainide on induced atrial fibrillation in horsesmembers
  • Sonographic technique to identify manica flexoria tears in horsesmembers
  • Novel prototype dynamic laryngoplasty system on arytenoid abductionmembers
  • Lipid peroxidation biomarkers in equine neuroaxonal dystrophymembers


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