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Reproductive Parasites: Protozoa - Coggle Diagram

- - - - :cow:
        
        may cross over into placenta and infect fetus
        
        clinical signs
        
        affect cows and bulls
        
        abortion
        
        can occur any time after 3mo gestation
        
        most common b/w 4-6mo
        
        single abortion
        
        abortion storm
        
        diagnosis
        
        abortion work-up
        
        lack of other etiological agents
        
        non-supprative inflammation in multiple fetal organs
        
        brain
        
        heart
        
        skeletal mm
        
        IHC or PCR in fetal tissue
        
        seropositive cow or fetus
      - :goat:
      - :sheep:
      - :horse:
      - :fox_face:
      - :dog:
  - - - fecal float
    - - prevent fecal contamination of feed
      - limit wildlife contact
      - do not feed dogs calves that have died spontaneous
- - - - pyriform
      - 10-15 x 5-10um
      - 3 anterior flagella
      - undulating membrane
      - one nucleus
  - - - clinical signs
        
        endometritis and uterine catarrhal
        
        permanent infertility
        
        vaginal discharge
        
        pyometra
        
        can appear similar to bovine genital campylobacter
        
        early abortion
        
        conception normal
        
        herd effects
        
        extended calving season
        
        poor pregnancy rates
        
        dead fetus on US
        
        return to estrus in mid-breeding season
  - - - asymptomatic
    - - persistently open
      - pyometra
  - - - sexual rest for 1-2 w before collction
        
        smegma collection
        
        artificial vaginal washing
        
        preputial swabbing
    - - Diamond's
      - Plastridge
      - InPouch TF media
      - sensitive
    - - specific
  - - - positive bulls
      - non-productive cows
      - vaccination
        
        killed
        
        not core
    - - low risk herds
        
        reduce comingling across fence lines
        
        maintain accurate herd reproductive records
        
        purchase virgin bulls
      - high risk herds
        
        same as low risk
        
        maintain young bull battery
        
        isolate and test if comingling occurs
        
        restrict duration of breeding season