Understanding Pasteurellosis: The Complexity of Rabbit Snuffles
Rabbit Snuffles is a multifaceted respiratory syndrome caused by Pasteurella multocida. While many people associate it only with sneezing, it is a complex bacterial infection that can affect almost any organ system in the lagomorph body. Unlike Canine Influenza or Swine Influenza, which are viral, Snuffles is a bacterial pathogen that often requires long-term antimicrobial therapy.
Anatomical Sites of Infection
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Upper Respiratory Tract: Nasal passages and paranasal sinuses.
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Ocular Involvement: Conjunctivitis and dacryocystitis.
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Otitis Media/Interna: The middle and inner ear, often presenting as a head tilt or 'wry neck'.
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Systemic Spread: Abscesses in the lungs, reproductive tract, or joints.
Clinical Manifestations and Respiratory Distress Signs
Recognizing the early indicators of Snuffles is vital for prognosis. Many owners initially dismiss a single sneeze, but the progression from nasal discharge to severe dyspnea can occur rapidly.
Identifying Early Warning Signs
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Serous Nasal Discharge: Clear liquid around the nostrils.
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Matted Forepaws: Rabbits often use their front paws to wipe their noses.
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Sneezing Fits: Repeated, paroxysmal sneezing.
Indicators of Advanced Complications (Emergency)
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Dyspnea: Mouth breathing or labored abdominal effort while breathing.
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Torticollis: A sudden head tilt indicative of severe Otitis Externa (Ear Infection).
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Exophthalmos: Bulging of the eye, often caused by retrobulbar abscesses.
Causes and Etiology: Why It Starts
*Pasteurella multocida
- is ubiquitous. Many healthy rabbits are asymptomatic carriers. The shift from carriage to clinical disease is multifactorial. High ammonia levels from dirty cages, dust from poor-quality hay, and stress from overcrowding are leading contributors. It is not like Rabies where a single exposure is the primary concern; rather, it is about the rabbit's threshold for immune suppression.
Diagnostic Pathways in Exotic Medicine
Veterinarians must differentiate Snuffles from other respiratory issues. A standard workup includes:
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Bacterial Culture and Sensitivity: Essential for choosing the right antibiotic.
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Skull Radiographs: To check for bone involvement in the sinuses or middle ear.
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Cytology: Examining discharge for neutrophils and bacteria.
Therapeutic Interventions and Management
Treatment is rarely a 'quick fix'. It often involves long-term oral or injectable antibiotics. Unlike viruses such as Feline Herpesvirus or Feline Calicivirus, which are managed through support, Snuffles necessitates direct antimicrobial targeting. Supportive care, including nebulization and high-quality nutrition, is essential to sustain the patient during recovery.


