SALMONELLA :

 

Signs: increased drinking, increased water output. Difficulty breathing. Fluffed. Dead in shell and dead at hatch, dying young birds, joint infections (eg: one wing droop, one leg lameness ).

 

Transmission: faecal contamination of feed and water, semen, ovary and egg shell transmission.

 

Pathology: pus in joints, liver and spleen congestion.

 

Diagnosis: cultures of faeces, gut, organs, joint fluid.

 

Treatment: Antibiotics based on cultures or Trimethoprim Sulfa combinations. Cull any bird with joint disease. Increase level of hygiene.

 

 

 

E – COLI :

 

Signs: slimy green mucoid droppings, fluffed, anorexia, odd death, nasal discharge, squab deaths, weight loss, poor performance.

 

Transmission: ingestion, inhalation, through egg.

 

Pathology: swollen liver and spleen, enteritis, some air sac infection.

 

Diagnosis: culture of liver, vent, lungs, gut.

 

Treatment: based on culture results. Treatment may not be necessary if management is improved. E.coli. is often secondary to viral infections.

 

 

 

CANDIDA :

 

Signs: mouth inflammation, crop inflammation and thickening, enteritis, delayed crop emptying.

 

Transmission: in population all the time, secondary to other factors, regurgitative feeding.

 

Pathology: thickened crop, smelly crop contents, weight loss.

 

Diagnosis: yeast bodies seen in smears from crop, gut or faeces.

 

Treatment: Aviclens ( flock ), Nystatin( individuals ).

 

 

 

TRICOMONAS :

 

Signs: mild strains - erosion of the “curtain”, mild throat inflammation severe strains- “wet canker”, cankers in the throat and nostrils. Possible cankers( abscesses ) at navel, vent and eyes. Very smelly breath, dehydration, weakness, breathing difficulties, weight loss, death.

 

Transmission: regurgitative feeding, faecal contamination of water.

 

Pathology: “curtain” erosion, cankers ( abscesses) in throat, on skin, in liver etc.

 

Diagnosis: microscopic examination of crop contents or throat swab.

 

Treatment: Ronivet 4 Pigeons. Given in drinking water, administered directly to crop or powder applied directly to cankers in throat.

 

 

 

COCCIDIA :

 

Signs: signs usually limited to juveniles - slow race performance, anorexia, weight loss, excessive urine output, dehydration

 

Transmission: faecal contamination of food and water.

 

Pathology: enteritis in young birds.

 

Diagnosis: dropping examination.

 

Treatment: Coccivet in water. Improve hygiene and prevent recontamination.

 

 

 

Note: all these common pigeon diseases use dropping contamination or inhalation as a major way of spreading. Reducing faecal load in the loft and maintaining water and air purity are the best ways to prevent the diseases affecting the flock.

 

 

 

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