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.
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 ).
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.
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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