Though not always: Avian trichomoniasis is principally a disease of young birds. T. gallinae varies greatly in its virulence. The severity of the disease depends on the susceptibility of the bird and on the pathogenic potential of the strain of the parasite. Adult birds that recover from the infection may still carry the parasite, but are resistant to reinfection. These birds do not show obvious signs of infection. Interestingly, infection and mortality rates are not closely linked. The disease varies from a mild condition to a rapidly fatal one with death in 4–18 days post infection.[4]
Note THE TERM AVAIN above
The below gives an excellent example of canker symptoms. Remember one site may not include all symptoms - this is a good one.
http://edis.ifas.ufl.edu/vm032
Much good reading here.
http://ag.ansc.purdue.edu/poultry/extensio.htm
Canker is not on the list below.
http://edis.ifas.ufl.edu/in631
The below gives an excellent example of canker symptoms. Remember one site may not include all symptoms - this is a good one.
http://edis.ifas.ufl.edu/vm032
Much good reading here.
http://ag.ansc.purdue.edu/poultry/extensio.htm
Canker is not on the list below.
http://edis.ifas.ufl.edu/in631
Cathryn rainbowsilkiesTM in Michigan
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