All pictures with the kind permission of Dr. Colin Walker from his book
 "The Flying Vet's Pigeon Health Management"
 Available from the Australian Pigeon Company (see links)

 

Fig.1 Single Coccidia
Egg & yeast organisms.
         Mag. X 400
Fig.2. Hairworm egg showing distinctive 'plugs' at each pole.  Mag.X 400 Fig.3. Gizzard worm with
     mature eggs inside.
     Mag. X 400

 

Fig.4.  Several layers of plant cells at bottom & cell chambers in centre with starch granules.  Mag. X 100 Fig.5. 2 Coccidia eggs amid plant  
          material.  Mag. X 400
 

 

Fig.6. 2 Roundworm eggs
                 Mag. X 100
Fig.7. Complete Tapeworm in Pigeon - visible to eye & may only be a few segments.

 

 

 
  Fig.8. 2 Roundworm eggs.
           Mag. X 400
 

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