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Case Report · Volume 3, Issue 3, Pages 69–75, 11 October 2015 · Open Access

Septicemic Salmonellosis in Pre Weaned Calves Caused by <i>Salmonella</i> <i>dublin</i>

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Journal:
Research Journal for Veterinary Practitioners
Published:
11 October 2015
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From the article

  • Abstract | This report describes clinical, macro and microscopic changes observed in an outbreak of septicemic salmonellosis in pre-weaned calves caused by Salmonella.
  • Keywords | Salmonella dublin, Cattle, Diagnosis, Systemic salmonellosis, Clinical pathology.
  • Due to the importance of salmonellosis and the lack of case reports in the literature, we describe here the clinical, macro- and microscopic findings of salmonellosis outbreak infection in 60- and 90-day-old calves at a dairy farm in Minas Gerais, Brazil.
  • In sum, these observations demonstrate that the clinical follow-up of calves infected with Salmonella is extremely important because the observed clinical signs and the hematological and biochemical alterations progress and change during the course of Salmonella infection.

Selected from the article's own text.

Abstract

José Azael Zambrano Uribe1, Fernanda Morcatti Coura2, Philipe Pimenta Nunes1, Marcus Vinícius Prado Silva2, Antônio Último de Carvalho1, Matheus Vilardo Lóes Moreira1, Filipe Lucas de Melo Mendonça1, Lauranne Alves Salvato1, Rodrigo Melo Meneses1, Roberto Maurício Carvalho Guedes1, Andrey Pereira Lage2, Marcos Bryan Heinemann3*, Elias Jorge Facury Filho1

1Departamento de Clínica e Cirurgia Veterinárias, Escola de Veterinária, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, CEP31270-010, Belo Horizonte, Minas Gerais, Brazil; 2Departamento de Medicina Veterinária Preventiva, Escola de Veterinária, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, CEP31270-010, Belo Horizonte, Minas Gerais, Brazil; 3Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, Av. Prof. Orlando Marques de Paiva, 87, CEP 05508-270, São Paulo, São Paulo, Brazil.

*Correspondence | Marcos Bryan Heinemann, Universidade de São Paulo, Av. Prof. Orlando Marques de Paiva, São Paulo, Brazil; Email: marcosbryan@usp.br

Abstract
This report describes clinical, macro and microscopic changes observed in an outbreak of septicemic salmonellosis in pre-weaned calves caused by Salmonella. The necropsy of calves was performed and gross lesions were identified and characterized. The differential diagnosis included hemoparasites (Anaplasma, Babesia bigemina, Babesia bovis and Ehrlichia spp.), Leptospira and Escherichia coli. The course of infection was three days from the moment calves got sick until death. Some of the clinical signs included apathy, reduced solid food ingestion, hyperthermia and mucosal congestion. Postmortem findings were mostly congestion of oral, ocular and rectal mucosa; petechiae were observed in the vaginal, bladder and sublingual mucosa, serosa of the rumen, reticulum, omasum and small intestine; the lungs were congested. Microscopic examination of the lung was characterized by inflammatory infiltration mostly of neutrophils, fibrin and moderate multifocal haemorrhagic alveolar and bronchial lumen. Vasculitis, necrosis and thrombosis in the liver, gallbladder, spleen, and hypophysis were also observed. Salmonellosis is an important disease of dairy cattle resulting in increased morbidity and mortality of affected animals. This report offers a better understanding of the clinical and pathological characteristics of the disease and demonstrates the importance of diagnostic approaches in cases of Salmonella dublin infections.

Keywords | Salmonella dublin, Cattle, Diagnosis, Systemic salmonellosis, Clinical pathology

Editor | Muhammad Abubakar, National Veterinary Laboratories, Islamabad, Pakistan.

Received | August 17, 2015; Revised | September 14, 2015; Accepted | September 16, 2015; Published | October 11, 2015

Citation | Uribe JAZ, Coura FM, Nunes P, Silva MVP, de Carvalho AÚ, Moreira MVL, Mendonça FLM, Salvato LA, Meneses RM, Guedes RMC, Lage AP, Heinemann MB, Filho EJF (2015). Septicemic salmonellosis in pre weaned calves caused by Salmonella dublin. Res. J. Vet. Pract. 3(3): 69-75.

ISSN | 2308-2798

Copyright © 2015 Uribe et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Conflict of interest

The authors declare that they have conflict of interest.

AUTHORS CONTRIBUTION

JAZ, FMC, RMCG, MBH, and APL prepared the manuscript; the bacteriological examination was done by FMC, MVPS, and MBH; RMM, PPN, AUC and EJFF examined the calves and collected the tissue and blood samples; LAS and FLMM performed the blood tests; RMCG and MVLM were responsible for microscopic analysis. All authors have read and approved the final manuscript.

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Septicemic Salmonellosis in Pre Weaned Calves Caused by <i>Salmonella</i> <i>dublin</i> · ResearchersLinks