Canis ISSN: 2398-2942

Mastitis

Contributor(s): Joseph Harari

Introduction

  • Cause: usually ascending bacterial (coliforms) infection through nipple during nursing (may be hematogenous or lymphogenous) - exacerbated by trauma, poor hygiene.
  • Signs: hot, painful mammary glands with purulent secretions; pyrexia, anorexia; puppies may be unable to feed - restless, cry, appear bloated.
  • Diagnosis: clinical signs.
  • Treatment: may need to wean pups or feed artificially until infection controlled.
  • Prognosis: good with prompt treatment.

Pathogenesis

Etiology

Predisposing factors

General
  • Poor hygiene in nursing box.

Pathophysiology

  • Ascending bacterial infection through nipple during nursing.
  • May be hematogenous or lymphogenous spread, eg metritis.

Diagnosis

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Treatment

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Outcomes

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Hasegawa T et al (1993) Platelet abnormalities in dog suffering from gangrenous mastitis by Staphylococcus aureus infection. J Vet Med Sci 55 (1), 169-171 PubMed.
  • Dernell W S, Kreeger J (1992) Peracute, necrotizing mastitis as a cause of fatal septicemia and endotoxemia in a dog. Canine Pract 17 (6), 25-29 VetMedResource.
  • Johnson C A (1986) Non-neoplastic disorders of the mammary gland. Vet Clin North Am Small Anim Pract 16 (3), 539-542 PubMed.
  • Smith F O (1986) Post partum diseases. Vet Clin North Am Small Anim Pract 16 (3), 521-524 PubMed.


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