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Mastitis - Coggle Diagram
Mastitis
Differential diagnosis
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Staphylococcus spp.
S. aureus- The toxins produced cause vascular thrombosis, gangrene and detachment of underlying tissues
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Coagulase-positive staphylococci (S. aureus, S. hyicus, and S. intermedius)
Streptococcus spp.
S. agalactiae- Causes mastitis in goats. Infection by this pathogen may result in fibrosis and decrease in milk production, but it is often not associated with systemic signs.
S. zooepidemicus- Formation of abscesses in ceilings, chronic mastitis and atrophy
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Coliform
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More common in the postpartum period and is associated with severe systemic disease, may manifest as a persistent or transient infection
Mycoplasma
Mycoplasma agalactiae, M. mycoides subsp. mycoides and M. capricolum
Clinical features: Well characterized by a triad of symptoms located in the mammary gland, joints and eyes
Epidemiology
Agent
Contagious pathogens (Staphylococcus aureus, Streptococcus agalactiae)
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Environmental pathogens (coliforms, Strep. uberis and Strep. dysgalactiae, Arcanobacterium pyogenes) Burkholderia pseudomallei
Uncommon pathogens (Nocardia spp., Pasteurella multocida, Mannheimia haemolytica, Citrobacter spp., etc)
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Diagnosis
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Clinical mastitis
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Other diagnostic
CBC& SBC; leukocytosis , neutrophilia
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Treatment
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Clinical
Antimicrobials
Intramammary- First line of treatment in mild mastitis, if only forts quarter of udder involve: Marbofloxacin,Amoxicillin
Systemic-when involving systemic signs and more than one udder affected: Ampicillin + Cloxacillin ointment
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Types
Clinical
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Severe
Sick animals: Fever, inappetence, dehydrated etc
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