Red Mites live in the cracks and crevices all around the pigeon loft.
Coccidiosis is highly infectious and quite a common illness that infects the intestines of birds.
Paramyxovirus in pigeons is very serious and has been known to wipe-out entire lofts. Sick birds can die inside of 3 days.
Salmonella is the causative/pathogen agent and paratyphoid is the outcome. Salmonella are gram negative bacteria that infect pigeons, other birds and even animals or humans.
Sour crop in pigeons can be quite common and is usually linked with the poor grit or the consumption of bad grains.
Trichomoniasis or Canker, as it’s known in pigeons, is quite widespread in the pigeon world, especially in the UK.