Geese are extremely hardy, and severe outbreaks of disease are unusual. It should be possible to rear goslings to marketing age with a death rate of less than 2%. If no disease occurs and good management practices are carried out, there should be no mortality in the flock.
The following are some of the more common diseases likely to affect geese:
Geese can also be prone to worm infestation. For information on these diseases, consult Poultry health and disease, or your veterinary practitioner.