ISSN 2398-2985      

Mastitis

6guinea pig

Synonym(s): Mammary gland inflammation, Mammitis


Introduction

  • Cause: trauma to mammary glands with subsequent infection with environmental or coliform bacteria.
  • Signs: swollen, painful, erythematous, enlarged mammary glands which feel hotter than surrounding tissue.
  • Diagnosis: clinical signs, culture of exudate from nipples.
  • Treatment: antibiotics and non-steroidal anti-inflammatory drugs (NSAIDs) to control infection, inflammation and pain.
  • Prognosis: guarded for preservation of functioning mammary gland in time for pups to be re-introduced. 

Pathogenesis

Etiology

  • Trauma to mammary glands may introduce environmental and/or coliform bacteria.
  • This occurs more frequently with overcrowding and poor sanitation.

Predisposing factors

General

  • Overcrowding, ie housing in too small a cage, multiple sows in caging.
  • Cage too small.
  • Poor sanitation, eg bedding allowed to accumulate urine, feces.

Specific

  • Poor overall health of the sow:
    • This may include poor nutrition.
    • Vitamin C deficiency Vitamin C deficiency leading to decreased immune system.

Pathophysiology

  • Bacterial infection of mammary tissue.
  • Trauma may also cause generalized inflammation.

Timecourse

  • Any time during lactation and nursing.

Diagnosis

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Treatment

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Prevention

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Outcomes

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Further Reading

Publications

Refereed papers

Other sources of information

  • Hawkins M G & Bishop C R (2012) Disease Problems of Guinea Pigs. In: Ferrets, Rabbits, and Rodents Clinical Medicine and Surgery. 3rd edn. Eds: Quesenberry K E & Carpenter J W. Elsevier. pp 295-310.
  • Johnson-Delaney C (2010) Guinea Pigs, Chinchillas, Degus and Duprasi. In: BSAVA Manual of Exotic Pets. 5th edn. Eds: Meredith A & Johnson-Delaney C. British Small Animal Veterinary Association. pp 28-62.

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