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Lungworms, General Info, Sheep, Dog/Cat, Cattle, Horse, Pigs - Coggle…

- - - - Worms come out in feces, not eggs
      - Tie sample in cloth and set in water
      - Worms will wiggle out and sink to the bottom
- - - - Intermediate host is mollusk
    - - PPP = 6-10 weeks
    - - PPP = 5-6 weeks
- - - - Direct Life Cycle
      - Adult worms in fibrous nodules near tracheal bifurcation
      - Small numbers of L1 in saliva (sputum)
      - Transmitted orally
        
        L1 infects puppy when mother licks them
      - Molts to L2 in gut, travels to lungs, matures to adult stage
- - - - Chronic mild cough
      - Immunocompromised cats tend to show clinical signs
    - - L1 passed in feces
      - Mollusc intermediate hosts
      - Cats infected by eating
        
        Infected mollusk (uncommon)
        
        Rodent that has eaten mollusk
        
        Rodent is paratenic host (transport host)
- - - - To lungs via blood and lymph
      - Adults produce eggs and L1 hatches
  - - - they do this because larvae don't wiggle much
  - - - affected if immunity wanes or L3 pasture count is high
      - Adult worms can overwinter in airway, on pasture, or arrest development in airways
- - - - Eggs hatch fast (24hrs)
        
        Baermanns if older, float if fresh
- - - - Intermediate host is Eathworm
      - Only issue in outdoor pigs
    - - Develop to L3 inside
    - - L3 migrate to mesenteric lymph nodes then lungs